Commit Graph

96 Commits

Author SHA1 Message Date
akankshamahajan fbd2f563bb Add an interface to provide support for underlying FS to pass their own buffer during reads (#11324)
Summary:
1. Public API change: Replace `use_async_io`  API in file_system with `SupportedOps` API which is used by underlying FileSystem to indicate to upper layers whether the FileSystem supports different operations introduced in `enum FSSupportedOps `. Right now operations are `async_io` and whether FS will provide its own buffer during reads or not. The api is changed to extend it to various FileSystem operations in one API rather than creating a separate API for each operation.

2. Provide support for underlying FS to pass their own buffer during Reads (async and sync read) instead of using RocksDB provided `scratch` (buffer) in `FSReadRequest`. Currently only MultiRead supports it and later will be extended to other reads as well (point lookup, scan etc). More details in how to enable in file_system.h

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11324

Test Plan: Tested locally

Reviewed By: anand1976

Differential Revision: D44465322

Pulled By: akankshamahajan15

fbshipit-source-id: 9ec9e08f839b5cc815e75d5dade6cd549998d0ec
2023-06-23 11:48:49 -07:00
Peter Dillinger 98c6d7fd80 Internal API for generating semi-random salt (#11331)
Summary:
... so that a non-cryptographic whole file checksum would be highly resistant
to manipulation by a user able to manipulate key-value data (e.g. a user whose data is
stored in RocksDB) and able to predict SST metadata such as DB session id and file
number based on read access to logs or DB files. The adversary would also need to predict
the salt in order to influence the checksum result toward collision with another file's
checksum.

This change is just internal code to support such a future feature. I think this should be a
passive feature, not option-controlled, because you probably won't think about needing it
until you discover you do need it, and it should be low cost, in space (16 bytes per SST
file) and CPU.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11331

Test Plan: Unit tests added to verify at least pseudorandom behavior. (Actually caught a bug in first draft!) The new "stress" style tests run in ~3ms each on my system.

Reviewed By: ajkr

Differential Revision: D46129415

Pulled By: pdillinger

fbshipit-source-id: 7972dc74487e062b29b1fd9c227425e922c98796
2023-06-21 11:32:49 -07:00
Peter Dillinger 70bf5ef093 Avoid destroying default PosixEnv, safely (#11538)
Summary:
Use another static object to join threads instead.

This change is motivated by a case in which some code using NewLRUCache() -> ShardedCacheBase -> SemiStructuredUniqueIdGen -> GenerateRawUniqueId() -> Env::Default() was happening
during static destruction.

I didn't see anything else in PosixEnv or base classes that would cause a problem by not
destroying. (WinEnv is already not destroyed; see env_default.cc)

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11538UndefinedBehaviorSanitizer: undefined-behavior env/env_test.cc:3561:23 in
$
```

Test Plan:
test added, which would previously fail with UBSAN:

```
$ ./env_test --gtest_filter=*Destruct*
Note: Google Test filter = *Destruct*
[==========] Running 1 test from 1 test case.
[----------] Global test environment set-up.
[----------] 1 test from EnvTestMisc
[ RUN      ] EnvTestMisc.StaticDestruction
[       OK ] EnvTestMisc.StaticDestruction (0 ms)
[----------] 1 test from EnvTestMisc (0 ms total)

[----------] Global test environment tear-down
[==========] 1 test from 1 test case ran. (0 ms total)
[  PASSED  ] 1 test.
env/env_test.cc:3561:23: runtime error: member call on address 0x7f7b96671ca8 which does not point to an object of type 'rocksdb::Env'
0x7f7b96671ca8: note: object is of type 'N7rocksdb12ConfigurableE'
 00 00 00 00  90 a7 f7 95 7b 7f 00 00  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  00 00 00 00
              ^~~~~~~~~~~~~~~~~~~~~~~
              vptr for 'N7rocksdb12ConfigurableE'

Reviewed By: jowlyzhang

Differential Revision: D46737389

Pulled By: pdillinger

fbshipit-source-id: 0f80a443bf799ffc5641e898cf3a75f7d10a987b
2023-06-14 16:18:08 -07:00
Peter Dillinger f4a02f2c52 Add hash_seed to Caches (#11391)
Summary:
See motivation and description in new ShardedCacheOptions::hash_seed option.

Updated db_bench so that its seed param is used for the cache hash seed.
Made its code more safe to ensure seed is set before use.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11391

Test Plan:
unit tests added / updated

**Performance** - no discernible difference seen running cache_bench repeatedly before & after. With lru_cache and hyper_clock_cache.

Reviewed By: hx235

Differential Revision: D45557797

Pulled By: pdillinger

fbshipit-source-id: 40bf4da6d66f9d41a8a0eb8e5cf4246a4aa07934
2023-05-09 22:24:26 -07:00
sdong 4720ba4391 Remove RocksDB LITE (#11147)
Summary:
We haven't been actively mantaining RocksDB LITE recently and the size must have been gone up significantly. We are removing the support.

Most of changes were done through following comments:

unifdef -m -UROCKSDB_LITE `git grep -l ROCKSDB_LITE | egrep '[.](cc|h)'`

by Peter Dillinger. Others changes were manually applied to build scripts, CircleCI manifests, ROCKSDB_LITE is used in an expression and file db_stress_test_base.cc.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11147

Test Plan: See CI

Reviewed By: pdillinger

Differential Revision: D42796341

fbshipit-source-id: 4920e15fc2060c2cd2221330a6d0e5e65d4b7fe2
2023-01-27 13:14:19 -08:00
akankshamahajan ee3dbdc083 Run clang-format on env/ folder (#10859)
Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/10859

Test Plan: CircleCI jobs

Reviewed By: anand1976

Differential Revision: D40653839

Pulled By: akankshamahajan15

fbshipit-source-id: ce75205ee34ee3896a77a807d5c556886de78b01
2022-10-24 17:54:14 -07:00
Jay Zhuang 5d3aefb682 Migrate to docker for CI run (#10496)
Summary:
Moved linux builds to using docker to avoid CI instability caused by dependency installation site down.
Added the `Dockerfile` which is used to build the image.
The build time is also significantly reduced, because no dependencies installation and with using 2xlarge+ instance for slow build (like tsan test).
Also fixed a few issues detected while building this:
* `DestoryDB()` Status not checked for a few tests
* nullptr might be used in `inlineskiplist.cc`

Pull Request resolved: https://github.com/facebook/rocksdb/pull/10496

Test Plan: CI

Reviewed By: ajkr

Differential Revision: D38554200

Pulled By: jay-zhuang

fbshipit-source-id: 16e8fb2bf07b9c84bb27fb18421c4d54f2f248fd
2022-08-10 17:34:38 -07:00
Jay Zhuang fcccc412d7 Remove Travis CI (#10407)
Summary:
Travis CI is depreciated and haven't been maintained for some time.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/10407

Reviewed By: ajkr

Differential Revision: D38078382

Pulled By: jay-zhuang

fbshipit-source-id: f42057f2f41f722bdce56bf195f67a94835191fb
2022-07-22 20:16:45 -07:00
Akanksha Mahajan f6c4d7a576 Fix hang in MultiRead with O_DIRECT and io_uring (#10368)
Summary:
Fix bug in O_DIRECT and io_uring when its EOF and bytes_read =
0 because of wrong check, it got added into incomplete list and gets stuck in an infinite loop as it will always return bytes_read = 0. The bug was introduced by PR https://github.com/facebook/rocksdb/pull/10197 and that PR is not released yet in any release branch.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/10368

Test Plan: Added new unit test

Reviewed By: siying

Differential Revision: D37885184

Pulled By: akankshamahajan15

fbshipit-source-id: 35b36a44b696d29b2f6f25301aa1b19547b4e03b
2022-07-18 15:37:29 -07:00
zczhu 96206531bc Support reservation in thread pool (#10278)
Summary:
Add `ReserveThreads` and `ReleaseThreads` functions in thread pool to support reservation in for a specific thread pool.  With this feature, a thread will be blocked if the number of waiting threads (noted by `num_waiting_threads_`) equals the number of reserved threads (noted by `reserved_threads_`), normally `reserved_threads_` is upper bounded by `num_waiting_threads_`; in rare cases (e.g. `SetBackgroundThreadsInternal` is called when some threads are already reserved), `num_waiting_threads_` can be less than `reserved_threads`.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/10278

Test Plan: Add `ReserveThreads` unit test in `env_test`. Update the unit test `SimpleColumnFamilyInfoTest` in `thread_list_test` with adding `ReserveThreads` related assertions.

Reviewed By: hx235

Differential Revision: D37640946

Pulled By: littlepig2013

fbshipit-source-id: 4d691f6b9a433569f96ab52d52c3defe5b065367
2022-07-08 19:48:09 -07:00
Bo Wang c073ed7601 Fix typo in comments and code (#10233)
Summary:
Fix typo in comments and code.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/10233

Test Plan: Existing unit tests should pass.

Reviewed By: jay-zhuang, anand1976

Differential Revision: D37356702

Pulled By: gitbw95

fbshipit-source-id: 32c019adcc6dcc95a9882b38147a310091368e51
2022-06-22 15:45:21 -07:00
Levi Tamasi af7ae912e2 Fix potential ambiguities in/around port/sys_time.h (#10045)
Summary:
There are some time-related POSIX APIs that are not available on Windows
(e.g. `localtime_r`), which we have worked around by providing our own
implementations in `port/sys_time.h`. This workaround actually relies on
some ambiguity: on Windows, a call to `localtime_r` calls
`ROCKSDB_NAMESPACE::port::localtime_r` (which is pulled into
`ROCKSDB_NAMESPACE` by a using-declaration), while on other platforms
it calls the global `localtime_r`. This works fine as long as there is only one
candidate function; however, it breaks down when there is more than one
`localtime_r` visible in a scope.

The patch fixes this by introducing `ROCKSDB_NAMESPACE::port::{TimeVal, GetTimeOfDay, LocalTimeR}`
to eliminate any ambiguity.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/10045

Test Plan: `make check`

Reviewed By: riversand963

Differential Revision: D36639372

Pulled By: ltamasi

fbshipit-source-id: fc13dbfa421b7c8918111a6d9e24ce77e91a7c50
2022-05-24 18:20:17 -07:00
mrambacher bfc6a8ee4a Option type info functions (#9411)
Summary:
Add methods to set the various functions (Parse, Serialize, Equals) to the OptionTypeInfo.  These methods simplify the number of constructors required for OptionTypeInfo and make the code a little clearer.

Add functions to the OptionTypeInfo for Prepare and Validate.  These methods allow types other than Configurable and Customizable to have Prepare and Validate logic.  These methods could be used by an option to guarantee that its settings were in a range or that a value was initialized.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9411

Reviewed By: pdillinger

Differential Revision: D36174849

Pulled By: mrambacher

fbshipit-source-id: 72517d8c6bab4723788a4c1a9e16590bff870125
2022-05-13 04:57:08 -07:00
sdong 736a7b5433 Remove own ToString() (#9955)
Summary:
ToString() is created as some platform doesn't support std::to_string(). However, we've already used std::to_string() by mistake for 16 months (in db/db_info_dumper.cc). This commit just remove ToString().

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9955

Test Plan: Watch CI tests

Reviewed By: riversand963

Differential Revision: D36176799

fbshipit-source-id: bdb6dcd0e3a3ab96a1ac810f5d0188f684064471
2022-05-06 13:03:58 -07:00
Akanksha Mahajan 36bc3da97f Fix segfault in FilePrefetchBuffer with async_io enabled (#9777)
Summary:
If FilePrefetchBuffer object is destroyed and then later Poll() calls callback on object which has been destroyed, it gives segfault on accessing destroyed object. It was caught after adding unit tests that tests Posix implementation of ReadAsync and Poll APIs.
This PR also updates and fixes existing IOURing tests which were not running locally because RocksDbIOUringEnable function wasn't defined and IOUring was disabled for those tests

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9777

Test Plan: Added new unit test

Reviewed By: anand1976

Differential Revision: D35254002

Pulled By: akankshamahajan15

fbshipit-source-id: 68e80054ffb14ae25c255920ebc6548ca5f130a1
2022-04-04 15:35:43 -07:00
Akanksha Mahajan 8465cccde2 Posix API support for Async Read and Poll APIs (#9578)
Summary:
Provide support for Async Read and Poll in Posix file system using IOUring.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9578

Test Plan: In progress

Reviewed By: anand1976

Differential Revision: D34690256

Pulled By: akankshamahajan15

fbshipit-source-id: 291cbd1380a3cb904b726c34c0560d1b2ce44a2e
2022-03-10 18:28:31 -08:00
Akanksha Mahajan d74468e348 Update Poll and ReadAsync API in File System (#9623)
Summary:
Update the signature of Poll and ReadAsync APIs in filesystem.
Instead of unique_ptr, void** will be passed as io_handle and the delete function.
io_handle and delete function should be provided by underlying
FileSystem and its lifetime will be maintained by RocksDB. io_handle
will be deleted by RocksDB once callback is made to update the results or Poll is
called to get the results.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9623

Test Plan: Add a new unit test.

Reviewed By: anand1976

Differential Revision: D34403529

Pulled By: akankshamahajan15

fbshipit-source-id: ea185a5f4c7bec334631e4f781ea7ba4135645f0
2022-03-01 17:11:42 -08:00
Jay Zhuang b69f4360ea Fix flaky test EnvPosixTestWithParam.RunMany (#9502)
Summary:
Thread-pool pops a thread function and then run the function,
which may cause thread-pool is empty but the last function is still
running.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9502

Test Plan:
`gtest-parallel ./env_test
--gtest_filter=DefaultEnvWithoutDirectIO/EnvPosixTestWithParam.RunMany/0
-r 10000 -w 1000`

Reviewed By: ajkr

Differential Revision: D34011184

Pulled By: jay-zhuang

fbshipit-source-id: 8c38bef155205bef96fd1c988dcc643a6b2ac270
2022-02-07 09:07:59 -08:00
mrambacher aae3093719 Introduce a CountedFileSystem for counting file operations (#9283)
Summary:
Added a CountedFileSystem that tracks a number of file operations (opens, closes, deletes, renames, flushes, syncs, fsyncs, reads, writes).    This class was based on the ReportFileOpEnv from db_bench.

This is a stepping stone PR to be able to change the SpecialEnv into a SpecialFileSystem, where several of the file varieties wish to do operation counting.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9283

Reviewed By: pdillinger

Differential Revision: D33062004

Pulled By: mrambacher

fbshipit-source-id: d0d297a7fb9c48c06cbf685e5fa755c27193b6f5
2022-02-03 15:01:23 -08:00
sdong 1cecd22de9 Increase wait time within EnvPosixTestWithParam.RunMany (#9413)
Summary:
We see:

[ RUN      ] ChrootEnvWithDirectIO/EnvPosixTestWithParam.RunMany/0
env/env_test.cc:464: Failure
Expected equality of these values:
  4
  cur
    Which is: 0

The suspicious is that the wait time is not long enough. Increase the wait time to 10s and allows earlier check.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9413

Test Plan: Run the test

Reviewed By: riversand963

Differential Revision: D33697715

fbshipit-source-id: 3d71715562a8cceb694b773276dd9e4e451a18bc
2022-01-24 12:50:18 -08:00
mrambacher 1973fcba11 Restore Regex support for ObjectLibrary::Register, rename new APIs to allow old one to be deprecated in the future (#9362)
Summary:
In order to support old-style regex function registration, restored the original "Register<T>(string, Factory)" method using regular expressions.  The PatternEntry methods were left in place but renamed to AddFactory.  The goal is to allow for the deprecation of the original regex Registry method in an upcoming release.

Added modes to the PatternEntry kMatchZeroOrMore and kMatchAtLeastOne to match * or +, respectively (kMatchAtLeastOne was the original behavior).

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9362

Reviewed By: pdillinger

Differential Revision: D33432562

Pulled By: mrambacher

fbshipit-source-id: ed88ab3f9a2ad0d525c7bd1692873f9bb3209d02
2022-01-11 06:33:48 -08:00
mrambacher fe31dc53ca Make the Env class Customizable (#9293)
Summary:
Allows the Env to have options (Configurable) and loads like other Customizable classes.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9293

Reviewed By: pdillinger, zhichao-cao

Differential Revision: D33181591

Pulled By: mrambacher

fbshipit-source-id: 55e823886c654d214eda9eedd45ccdc54dac14d7
2022-01-04 16:45:49 -08:00
mrambacher f72c834eab Make FileSystem a Customizable Class (#8649)
Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/8649

Reviewed By: zhichao-cao

Differential Revision: D32036059

Pulled By: mrambacher

fbshipit-source-id: 4f1e7557ecac52eb849b83ae02b8d7d232112295
2021-11-02 09:07:11 -07:00
Peter Dillinger ad5325a736 Experimental support for SST unique IDs (#8990)
Summary:
* New public header unique_id.h and function GetUniqueIdFromTableProperties
which computes a universally unique identifier based on table properties
of table files from recent RocksDB versions.
* Generation of DB session IDs is refactored so that they are
guaranteed unique in the lifetime of a process running RocksDB.
(SemiStructuredUniqueIdGen, new test included.) Along with file numbers,
this enables SST unique IDs to be guaranteed unique among SSTs generated
in a single process, and "better than random" between processes.
See https://github.com/pdillinger/unique_id
* In addition to public API producing 'external' unique IDs, there is a function
for producing 'internal' unique IDs, with functions for converting between the
two. In short, the external ID is "safe" for things people might do with it, and
the internal ID enables more "power user" features for the future. Specifically,
the external ID goes through a hashing layer so that any subset of bits in the
external ID can be used as a hash of the full ID, while also preserving
uniqueness guarantees in the first 128 bits (bijective both on first 128 bits
and on full 192 bits).

Intended follow-up:
* Use the internal unique IDs in cache keys. (Avoid conflicts with https://github.com/facebook/rocksdb/issues/8912) (The file offset can be XORed into
the third 64-bit value of the unique ID.)
* Publish the external unique IDs in FileStorageInfo (https://github.com/facebook/rocksdb/issues/8968)

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8990

Test Plan:
Unit tests added, and checking of unique ids in stress test.
NOTE in stress test we do not generate nearly enough files to thoroughly
stress uniqueness, but the test trims off pieces of the ID to check for
uniqueness so that we can infer (with some assumptions) stronger
properties in the aggregate.

Reviewed By: zhichao-cao, mrambacher

Differential Revision: D31582865

Pulled By: pdillinger

fbshipit-source-id: 1f620c4c86af9abe2a8d177b9ccf2ad2b9f48243
2021-10-18 23:32:01 -07:00
mrambacher 13ae16c315 Cleanup includes in dbformat.h (#8930)
Summary:
This header file was including everything and the kitchen sink when it did not need to.  This resulted in many places including this header when they needed other pieces instead.

Cleaned up this header to only include what was needed and fixed up the remaining code to include what was now missing.

Hopefully, this sort of code hygiene cleanup will speed up the builds...

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8930

Reviewed By: pdillinger

Differential Revision: D31142788

Pulled By: mrambacher

fbshipit-source-id: 6b45de3f300750c79f751f6227dece9cfd44085d
2021-09-29 04:04:40 -07:00
mrambacher 6924869867 Make SystemClock into a Customizable Class (#8636)
Summary:
Made SystemClock into a Customizable class, complete with CreateFromString.

Cleaned up some of the existing SystemClock implementations that were redundant (NoSleep was the same as the internal one for MockEnv).

Changed MockEnv construction to allow Clock to be passed to the Memory/MockFileSystem.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8636

Reviewed By: zhichao-cao

Differential Revision: D30483360

Pulled By: mrambacher

fbshipit-source-id: cd0e3a876c39f8c98fe13374c06e8edbd5b9f2a1
2021-09-21 09:23:48 -07:00
Peter Dillinger e40b04e9fa Fix POSIX LockFile after failure to create file (#8747)
Summary:
Failure to create the lock file (e.g. out of space) could
prevent future LockFile attempts in the same process on the same file
from succeeding.

Also added DEBUG code to fail assertion if PosixFileLock is destroyed
without using UnlockFile (which is a risk because FileLock is in the
public API with virtual destructor).

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8747

Test Plan: test added

Reviewed By: ajkr

Differential Revision: D30732543

Pulled By: pdillinger

fbshipit-source-id: 4c30a959566d91f778d6fad3fbbd5f3941b097c1
2021-09-07 22:41:36 -07:00
Peter Dillinger 13ded69484 Built-in support for generating unique IDs, bug fix (#8708)
Summary:
Env::GenerateUniqueId() works fine on Windows and on POSIX
where /proc/sys/kernel/random/uuid exists. Our other implementation is
flawed and easily produces collision in a new multi-threaded test.
As we rely more heavily on DB session ID uniqueness, this becomes a
serious issue.

This change combines several individually suitable entropy sources
for reliable generation of random unique IDs, with goal of uniqueness
and portability, not cryptographic strength nor maximum speed.

Specifically:
* Moves code for getting UUIDs from the OS to port::GenerateRfcUuid
rather than in Env implementation details. Callers are now told whether
the operation fails or succeeds.
* Adds an internal API GenerateRawUniqueId for generating high-quality
128-bit unique identifiers, by combining entropy from three "tracks":
  * Lots of info from default Env like time, process id, and hostname.
  * std::random_device
  * port::GenerateRfcUuid (when working)
* Built-in implementations of Env::GenerateUniqueId() will now always
produce an RFC 4122 UUID string, either from platform-specific API or
by converting the output of GenerateRawUniqueId.

DB session IDs now use GenerateRawUniqueId while DB IDs (not as
critical) try to use port::GenerateRfcUuid but fall back on
GenerateRawUniqueId with conversion to an RFC 4122 UUID.

GenerateRawUniqueId is declared and defined under env/ rather than util/
or even port/ because of the Env dependency.

Likely follow-up: enhance GenerateRawUniqueId to be faster after the
first call and to guarantee uniqueness within the lifetime of a single
process (imparting the same property onto DB session IDs).

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8708

Test Plan:
A new mini-stress test in env_test checks the various public
and internal APIs for uniqueness, including each track of
GenerateRawUniqueId individually. We can't hope to verify anywhere close
to 128 bits of entropy, but it can at least detect flaws as bad as the
old code. Serial execution of the new tests takes about 350 ms on
my machine.

Reviewed By: zhichao-cao, mrambacher

Differential Revision: D30563780

Pulled By: pdillinger

fbshipit-source-id: de4c9ff4b2f581cf784fcedb5f39f16e5185c364
2021-08-30 15:20:41 -07:00
Mark Rambacher 42ba60b3ba Make EncryptionProvider and BlockCipher into Customizable objects (#8354)
Summary:
Made the EncryptionProvider and BlockCipher classes inherit from Customizable.  Added/fixed the CreateFromString method to these classes to create instances from builtin or registered classes.  Added tests to verify that instances can be registered and retrieved as appropriate.

Added the ability to configure the builtin (CTR, ROT13) classes from configurable properties.  Added the appropriate tests.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8354

Reviewed By: zhichao-cao

Differential Revision: D29558949

Pulled By: mrambacher

fbshipit-source-id: c20286b32d179777e060f51a58943e9b0cf81d04
2021-07-16 07:58:51 -07:00
sdong 871a2cb292 Fix test issue in new env_test tests (#8319)
Summary:
The two new tests added to env_test don't clear sync points, so if tests are run in continuous mode, rather than parallel mode, the next test will trigger previous sync point and fail. Fix it.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8319

Test Plan: Run the tests in continuous mode which used to fail and see them passing.

Reviewed By: pdillinger

Differential Revision: D28542562

fbshipit-source-id: 4052d487635188fe68a2a9df4b03d97b23f96720
2021-05-19 10:59:02 -07:00
sdong ce0fc71adf Minor improvements in env_test (#8317)
Summary:
Fix typo in comments in env_test and add PermitUncheckedError() to two statuses.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8317

Reviewed By: jay-zhuang

Differential Revision: D28525093

fbshipit-source-id: 7a1ed3e45b6f500b8d2ae19fa339c9368111e922
2021-05-19 10:28:08 -07:00
sdong 60e5af83c1 Handle return code by io_uring_submit_and_wait() and io_uring_wait_cqe() (#8311)
Summary:
Right now return codes by io_uring_submit_and_wait() and io_uring_wait_cqe() are not handled. It is not the good practice. Although these two functions are not supposed to return non-0 values in normal exeuction, people suspect that they might return non-0 value when an interruption happens, and the code might cause hanging.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8311

Test Plan: Make sure at least normal test cases still pass.

Reviewed By: anand1976

Differential Revision: D28500828

fbshipit-source-id: 8a76cea9cafbd041102e0b6a8eef9d0bfed7c211
2021-05-18 16:09:14 -07:00
Jay Zhuang 45c65d6dcf Use thread-safe `strerror_r()` to get error message (#8087)
Summary:
`strerror()` is not thread-safe, using `strerror_r()` instead. The API could be different on the different platforms, used the code from 0deef031cb/folly/String.cpp (L457)

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8087

Reviewed By: mrambacher

Differential Revision: D27267151

Pulled By: jay-zhuang

fbshipit-source-id: 4b8856d1ec069d5f239b764750682c56e5be9ddb
2021-03-24 23:07:27 -07:00
Zhichao Cao dd0447ae2c Add new Append API with DataVerificationInfo to Env WritableFile (#8071)
Summary:
Add the new Append and PositionedAppend API to env WritableFile. User is able to benefit from the write checksum handoff API when using the legacy Env classes. FileSystem already implemented the checksum handoff API.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8071

Test Plan: make check, added new unit test.

Reviewed By: anand1976

Differential Revision: D27177043

Pulled By: zhichao-cao

fbshipit-source-id: 430c8331fc81099fa6d00f4fff703b68b9e8080e
2021-03-19 11:44:13 -07:00
mrambacher 3dff28cf9b Use SystemClock* instead of std::shared_ptr<SystemClock> in lower level routines (#8033)
Summary:
For performance purposes, the lower level routines were changed to use a SystemClock* instead of a std::shared_ptr<SystemClock>.  The shared ptr has some performance degradation on certain hardware classes.

For most of the system, there is no risk of the pointer being deleted/invalid because the shared_ptr will be stored elsewhere.  For example, the ImmutableDBOptions stores the Env which has a std::shared_ptr<SystemClock> in it.  The SystemClock* within the ImmutableDBOptions is essentially a "short cut" to gain access to this constant resource.

There were a few classes (PeriodicWorkScheduler?) where the "short cut" property did not hold.  In those cases, the shared pointer was preserved.

Using db_bench readrandom perf_level=3 on my EC2 box, this change performed as well or better than 6.17:

6.17: readrandom   :      28.046 micros/op 854902 ops/sec;   61.3 MB/s (355999 of 355999 found)
6.18: readrandom   :      32.615 micros/op 735306 ops/sec;   52.7 MB/s (290999 of 290999 found)
PR: readrandom   :      27.500 micros/op 871909 ops/sec;   62.5 MB/s (367999 of 367999 found)

(Note that the times for 6.18 are prior to revert of the SystemClock).

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8033

Reviewed By: pdillinger

Differential Revision: D27014563

Pulled By: mrambacher

fbshipit-source-id: ad0459eba03182e454391b5926bf5cdd45657b67
2021-03-15 04:34:11 -07:00
mrambacher 12f1137355 Add a SystemClock class to capture the time functions of an Env (#7858)
Summary:
Introduces and uses a SystemClock class to RocksDB.  This class contains the time-related functions of an Env and these functions can be redirected from the Env to the SystemClock.

Many of the places that used an Env (Timer, PerfStepTimer, RepeatableThread, RateLimiter, WriteController) for time-related functions have been changed to use SystemClock instead.  There are likely more places that can be changed, but this is a start to show what can/should be done.  Over time it would be nice to migrate most (if not all) of the uses of the time functions from the Env to the SystemClock.

There are several Env classes that implement these functions.  Most of these have not been converted yet to SystemClock implementations; that will come in a subsequent PR.  It would be good to unify many of the Mock Timer implementations, so that they behave similarly and be tested similarly (some override Sleep, some use a MockSleep, etc).

Additionally, this change will allow new methods to be introduced to the SystemClock (like https://github.com/facebook/rocksdb/issues/7101 WaitFor) in a consistent manner across a smaller number of classes.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7858

Reviewed By: pdillinger

Differential Revision: D26006406

Pulled By: mrambacher

fbshipit-source-id: ed10a8abbdab7ff2e23d69d85bd25b3e7e899e90
2021-01-25 22:09:11 -08:00
mrambacher 55e99688cc No elide constructors (#7798)
Summary:
Added "no-elide-constructors to the ASSERT_STATUS_CHECK builds.  This flag gives more errors/warnings for some of the Status checks where an inner class checks a Status and later returns it.  In this case,  without the elide check on, the returned status may not have been checked in the caller, thereby bypassing the checked code.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7798

Reviewed By: jay-zhuang

Differential Revision: D25680451

Pulled By: pdillinger

fbshipit-source-id: c3f14ed9e2a13f0a8c54d839d5fb4d1fc1e93917
2020-12-23 16:55:53 -08:00
Andrew Kryczka 6c2c0635c9 Require only one `Logger::Logv()` implementation (#7605)
Summary:
A user who extended `Logger` recently pointed out it is unusual to
require they implement the two-argument `Logv()` overload when they've
already implemented the three-argument `Logv()` overload. I agree with
that and think we can fix it by only calling the two-argument overload
from the default implementation of the three-argument overload. Then
when the three-argument overload is overridden, RocksDB would not
rely on the two-argument overload. Only `Logger::LogHeader()` needed
adjustment to achieve this.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7605

Reviewed By: riversand963

Differential Revision: D24584749

Pulled By: ajkr

fbshipit-source-id: 9aabe040ac761c4c0dbebc4be046967403ecaf21
2020-10-28 10:00:51 -07:00
Jay Zhuang 98c1333806 Disable a known flaky test: RandomAccessUniqueIDDeletes (#7511)
Summary:
It's a known issue, which is tracked in https://github.com/facebook/rocksdb/issues/7405, https://github.com/facebook/rocksdb/issues/7470. Disable it for
now.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7511

Reviewed By: zhichao-cao

Differential Revision: D24145075

Pulled By: jay-zhuang

fbshipit-source-id: 1858497972f2baba617867aaeac30d93b8305c80
2020-10-08 09:40:59 -07:00
mrambacher e9befdebbf Add EnvTestWithParam::OptionsTest to the ASSERT_STATUS_CHECKED passes (#7283)
Summary:
This test uses database functionality and required more extensive work to get it to pass than the other tests.  The DB functionality required for this test now passes the check.

When it was unclear what the proper behavior was for unchecked status codes, a TODO was added.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7283

Reviewed By: akankshamahajan15

Differential Revision: D23251497

Pulled By: ajkr

fbshipit-source-id: 52b79629bdafa0a58de8ead1d1d66f141b331523
2020-08-20 19:18:35 -07:00
mrambacher d9d190742c Make env*_test work with ASSERT_STATUS_CHECKED (#7176)
Summary:
Make (most of) the env*_test pass when ASSERT_STATUS_CHECKED is enabled.

One test that opens a database is currently disabled in this mode, as there are many errors that need revisited for DB tests and status checks.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7176

Reviewed By: cheng-chang

Differential Revision: D22799278

Pulled By: ajkr

fbshipit-source-id: 16d8a02eaeecd6df1060249b6a5811292801f2ed
2020-07-28 22:59:48 -07:00
mrambacher c7c7b07f06 More Makefile Cleanup (#7097)
Summary:
Cleans up some of the dependencies on test code in the Makefile while building tools:
- Moves the test::RandomString, DBBaseTest::RandomString into Random
- Moves the test::RandomHumanReadableString into Random
- Moves the DestroyDir method into file_utils
- Moves the SetupSyncPointsToMockDirectIO into sync_point.
- Moves the FaultInjection Env and FS classes under env

These changes allow all of the tools to build without dependencies on test_util, thereby simplifying the build dependencies.  By moving the FaultInjection code, the dependency in db_stress on different libraries for debug vs release was eliminated.

Tested both release and debug builds via Make and CMake for both static and shared libraries.

More work remains to clean up how the tools are built and remove some unnecessary dependencies.  There is also more work that should be done to get the Makefile and CMake to align in their builds -- what is in the libraries and the sizes of the executables are different.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/7097

Reviewed By: riversand963

Differential Revision: D22463160

Pulled By: pdillinger

fbshipit-source-id: e19462b53324ab3f0b7c72459dbc73165cc382b2
2020-07-09 14:35:17 -07:00
sdong d64cf0e4ee Move away from direct TmpDir() call in some tests (#7030)
Summary:
Some tests directly uses TmpDir() as temporary directory without adding any randomize factor. This would cause failures when tests run in parallel. Fix it by moving some of them to test::PerThreadDBPath()
Pull Request resolved: https://github.com/facebook/rocksdb/pull/7030

Test Plan: Watch existing tests pass

Reviewed By: zhichao-cao

Differential Revision: D22224710

fbshipit-source-id: 28c9932fede0a4a64670e5b5fdb08f4fb5dccdd0
2020-06-25 12:09:57 -07:00
sdong 9cc25190e1 Test CircleCI with CLANG-10 (#7025)
Summary:
It's useful to build RocksDB using a more recent clang version in CI. Add a CircleCI build and fix some issues with it.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/7025

Test Plan: See all tests pass.

Reviewed By: pdillinger

Differential Revision: D22215700

fbshipit-source-id: 914a729c2cd3f3ac4a627cc0ac58d4691dca2168
2020-06-24 16:22:49 -07:00
Cheng Chang f7613e2a9e Make it able to lower cpu priority to specific level in threadpool (#6969)
Summary:
`Env::LowerThreadPoolCPUPriority` takes a new parameter `CpuPriority` to be able to lower to a specific priority such as `CpuPriority::kIdle`, previously, the priority is always lowered to `CpuPriority::kLow`.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6969

Test Plan: unit test `EnvPosixTest::LowerThreadPoolCpuPriority` added to `env_test.cc`.

Reviewed By: siying

Differential Revision: D22011169

Pulled By: cheng-chang

fbshipit-source-id: 568878c24a924912e35cef00c552d4a63431cdf4
2020-06-13 13:25:20 -07:00
sdong 0b45a68c59 env_test */RunMany/* tests to run individually (#6931)
Summary:
When run */RunMany/* tests individually, e.g. ChrootEnvWithDirectIO/EnvPosixTestWithParam.RunMany/0, they hang. It's because they insert to background thread pool without initializing them. Fix it.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6931

Test Plan: Run ChrootEnvWithDirectIO/EnvPosixTestWithParam.RunMany/0 by itself and see it passes.

Reviewed By: riversand963

Differential Revision: D21875603

fbshipit-source-id: 7f848174c1a660254a2b1f7e11cca5370793ba30
2020-06-04 09:51:38 -07:00
sdong afa3518839 Revert "Update googletest from 1.8.1 to 1.10.0 (#6808)" (#6923)
Summary:
This reverts commit 8d87e9cea1.

Based on offline discussions, it's too early to upgrade to gtest 1.10, as it prevents some developers from using an older version of gtest to integrate to some other systems. Revert it for now.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6923

Reviewed By: pdillinger

Differential Revision: D21864799

fbshipit-source-id: d0726b1ff649fc911b9378f1763316200bd363fc
2020-06-03 15:55:03 -07:00
Zhichao Cao 2adb7e3768 Fix potential overflow of unsigned type in for loop (#6902)
Summary:
x.size() -1 or y - 1 can overflow to an extremely large value when x.size() pr y is 0 when they are unsigned type. The end condition of i in the for loop will be extremely large, potentially causes segment fault. Fix them.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6902

Test Plan: pass make asan_check

Reviewed By: ajkr

Differential Revision: D21843767

Pulled By: zhichao-cao

fbshipit-source-id: 5b8b88155ac5a93d86246d832e89905a783bb5a1
2020-06-02 15:05:07 -07:00
Adam Retter 8d87e9cea1 Update googletest from 1.8.1 to 1.10.0 (#6808)
Summary: Pull Request resolved: https://github.com/facebook/rocksdb/pull/6808

Reviewed By: anand1976

Differential Revision: D21483984

Pulled By: pdillinger

fbshipit-source-id: 70c5eff2bd54ddba469761d95e4cd4611fb8e598
2020-06-01 20:33:42 -07:00
Yanqin Jin 243852ec15 Add IsDirectory() to Env and FS (#6711)
Summary:
IsDirectory() is a common API to check whether a path is a regular file or
directory.
POSIX: call stat() and use S_ISDIR(st_mode)
Windows: PathIsDirectoryA() and PathIsDirectoryW()
HDFS: FileSystem.IsDirectory()
Java: File.IsDirectory()
...
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6711

Test Plan: make check

Reviewed By: anand1976

Differential Revision: D21053520

Pulled By: riversand963

fbshipit-source-id: 680aadfd8ce982b63689190cf31b3145d5a89e27
2020-04-17 14:39:18 -07:00