Commit Graph

5184 Commits

Author SHA1 Message Date
Islam AbdelRahman 8ff59b2b40 Disable PersistentCacheTierTest.VolatileCacheInsertWithEviction test under TSAN temporarily
Summary: Disable the test under TSAN temporary to temporarily the build

Test Plan: run the test under TSAN

Reviewers: kradhakrishnan, andrewkr, sdong

Reviewed By: sdong

Subscribers: andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D59337
2016-06-08 12:42:33 -07:00
Frank Celler 1ba452226f Fix for GCC 5.4 (#1157)
GCC 5.4 will complain (see also options_parser.cc):

    /home/abuild/rpmbuild/BUILD/arangodb-3.0.0r1/3rdParty/rocksdb/rocksdb/util/options_builder.cc: In function 'rocksdb::CompactionStyle rocksdb::{anonymous}::PickCompactionStyle(size_t, int, int, uint64_t)':
    /home/abuild/rpmbuild/BUILD/arangodb-3.0.0r1/3rdParty/rocksdb/rocksdb/util/options_builder.cc:29:7: error: 'log' is not a member of 'std'
           std::log(target_db_size / write_buffer_size) / std::log(kBytesForLevelMultiplier)));
           ^
    /home/abuild/rpmbuild/BUILD/arangodb-3.0.0r1/3rdParty/rocksdb/rocksdb/util/options_builder.cc:29:7: note: suggested alternative:
    In file included from /usr/include/features.h:365:0,
                     from /usr/include/math.h:26,
                     from /home/abuild/rpmbuild/BUILD/arangodb-3.0.0r1/3rdParty/rocksdb/rocksdb/util/options_builder.cc:6:
    /usr/include/bits/mathcalls.h:109:1: note:   'log'
     __MATHCALL_VEC (log,, (_Mdouble_ __x));
2016-06-08 08:47:20 -07:00
Adam Retter 972c895c35 Previously WARN level logging became FATAL level logging in the Java API (#1089) 2016-06-07 22:35:57 -07:00
Anirban Rahut a73b26f601 Adding test for contiguous WAL detection
Summary:
Add a test to detect that when WAL gets truncated,
seq no's are checked to be contiguous.

This test is put in ColumnFamilyTest as it has the necessary
infrastructure/functions for flushing column families, which
we use to ensure 2 active WAL files

Test Plan:
This is a test, no feature has been added.
This test fails today and hence disabled

Reviewers: sdong

Reviewed By: sdong

Subscribers: lgalanis, dhruba, andrewkr, pritamdamania

Differential Revision: https://reviews.facebook.net/D59253
2016-06-07 18:04:15 -07:00
sdong 098da83483 Fix CLANG build break caused by the recent Persistent Cache change
Test Plan: USE_CLANG=1 make all check -j32

Reviewers: andrewkr, IslamAbdelRahman

Reviewed By: IslamAbdelRahman

Subscribers: leveldb, andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D59313
2016-06-07 17:05:12 -07:00
Islam AbdelRahman 54db29b8f0 Use gvfs links in dependencies.sh
Summary:
Update `build_tools/update_dependencies.sh` to use /mnt/gvfs path in dependencies.sh
This should prevent us from having errors because of changing the path of a compiler or a library

Test Plan:
make all -j64
USE_CLANG make all -j64
ROCKSDB_FBCODE_BUILD_WITH_481=1 make all -j64

Reviewers: andrewkr, sdong, yiwu

Reviewed By: yiwu

Subscribers: andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D59295
2016-06-07 14:22:52 -07:00
krad d755c62f92 Persistent Read Cache (5) Volatile cache tier implementation
Summary:
This provides provides an implementation of PersistentCacheTier that is
specialized for RAM. This tier does not persist data though.

Why do we need this tier ?

This is ideal as tier 0. This tier can host data that is too hot.

Why can't we use Cache variants ?

Yes you can use them instead. This tier can potentially outperform BlockCache
in RAW mode by virtue of compression and compressed cache in block cache doesn't
seem very popular. Potentially this tier can be modified to under stand the
disadvantage of the tier below and retain data that the tier below is bad at
handling (for example index and bloom data that is huge in size)

Test Plan: Run unit tests added

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D57069
2016-06-07 11:10:44 -07:00
Yueh-Hsuan Chiang fda098461b Allow regression_test.sh to specify OPTIONS_FILE. Add header comments.
Summary:
This patch does the following improvement for regression_test.sh
* Allow regression_test.sh to specify OPTIONS_FILE.
* Add header comments that includes examples on how to run the script
  and introduce all configurable parameters.
* bug fix.

Test Plan: Run the example commands in the header comments of regression_test.sh

Reviewers: sdong, yiwu, gunnarku

Reviewed By: gunnarku

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D59175
2016-06-06 22:57:46 -07:00
krad 0fee896841 Fix Windows build
Summary:
Fix 2 issues that was breaking Windows build
1) double to size_t potential downcast warning
2) port_posix is not ready for windows, avoiding building hash_table_bench to
avoid build break

Test Plan: compile in Windoes and make check

Reviewers: sdong, andrewkr

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D59265
2016-06-06 18:38:12 -07:00
Yi Wu 10d46b9c8f Update tp2 clang path to fix clang build
Summary: clang was removed from tp2 so change to llvm-fb.

Test Plan:
  USE_CLANG=1 make all -j64

Reviewers: yhchiang, andrewkr, kradhakrishnan, sdong, lightmark, IslamAbdelRahman

Reviewed By: IslamAbdelRahman

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D59259
2016-06-06 18:29:39 -07:00
Adam Retter 774a6aa296 Java API - Rename geHistogramData -> getHistogramData (#1107)
Closes https://github.com/facebook/rocksdb/issues/835
2016-06-06 16:04:16 -07:00
krad 3070ed9021 Persistent Read Cache (4) Interface definitions
Summary:
This diff provides the basic interface definitions of persistent read
cache system

PersistentCacheOptions captures the persistent read cache options used to
configure and control the system
PersistentCacheTier provides the basic building block for constructing tiered
cache
PersistentTieredCache provides a logical abstraction of tiers of cache layered
over one another

Test Plan: Compile

Reviewers: sdong

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D57051
2016-06-06 13:17:09 -07:00
Andrew Kryczka e42dc9192e Update paths for fbcode dependencies
Summary: The path to g++ was outdated. Ran ./build_tools/update_dependencies.sh.

Test Plan: make -j64 all

Reviewers: sdong, lightmark, IslamAbdelRahman

Reviewed By: IslamAbdelRahman

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D59229
2016-06-06 11:16:51 -07:00
Willem Jan Withagen 5647fa427c stack_trace,cc: The current Stacktrace code does not compile for FreeBSD (#1153)
* stack_trace,cc: The current Stacktrace code does not compile for FreeBSD

So set it to generate empty routines

* stack_trace,cc: The current Stacktrace code does not compile for FreeBSD

Use the definition also used in other commits
2016-06-05 17:40:43 -07:00
Willem Jan Withagen 0d65acec0c threadpool.cc: abort() lives in stdlib.h on FreeBSD (#1155) 2016-06-05 17:23:38 -07:00
Willem Jan Withagen 19dd5a61cd env_chroot.cc: FreeBSD likes stdlib.h for realpaht() and friends (#1154) 2016-06-05 17:22:55 -07:00
Andrew Kryczka 5aca977be8 env_basic_test library for testing new Envs [pluggable Env part 3]
Summary:
- Provide env_test as a static library. We will build it for future releases so internal Envs can use env_test by linking against this library.
- Add tests for CustomEnv, which is configurable via ENV_TEST_URI environment variable. It uses the URI-based Env lookup (depends on D58449).
- Refactor env_basic_test cases to use a unique/configurable directory for test files.

Test Plan:
built a test binary against librocksdb_env_test.a. It registered the
default Env with URI prefix "a://".

- verify runs all CustomEnv tests when URI with correct prefix is provided

```
$ ENV_TEST_URI="a://ok" ./tmp --gtest_filter="CustomEnv/*"
...
[  PASSED  ] 12 tests.
```

- verify runs no CustomEnv tests when URI with non-matching prefix is provided

```
$ ENV_TEST_URI="b://ok" ./tmp --gtest_filter="CustomEnv/*"
...
[  PASSED  ] 0 tests.
```

Reviewers: ldemailly, IslamAbdelRahman, lightmark, sdong

Reviewed By: sdong

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D58485
2016-06-03 18:44:22 -07:00
Uddipta Maity 1147e5b05a Adding support for sharing throttler between multiple backup and restores
Summary:
Rocksdb backup and restore rate limiting is currently done per backup/restore.
So, it is difficult to control rate across multiple backup/restores. With this
change, a throttler can be provided. If a throttler is provided, it is used.
Otherwise, a new throttler is created based on the actual rate limits specified
in the options.

Test Plan: Added unit tests

Reviewers: ldemailly, andrewkr, sdong

Reviewed By: andrewkr

Subscribers: igor, yiwu, andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D56265
2016-06-03 17:02:07 -07:00
Andrew Kryczka 6e6622abb9 Create env_basic_test [pluggable Env part 2]
Summary:
Extracted basic Env-related tests from mock_env_test and memenv_test into a
parameterized test for Envs: env_basic_test.

Depends on D58449. (The dependency is here only so I can keep this series of
diffs in a chain -- there is no dependency on that diff's code.)

Test Plan: ran tests

Reviewers: IslamAbdelRahman, sdong

Reviewed By: sdong

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D58635
2016-06-03 15:13:03 -07:00
Aaron Gao e532877940 Add statistics field to show total size of index and filter blocks in block cache
Summary: With `table_options.cache_index_and_filter_blocks = true`, index and filter blocks are stored in block cache. Then people are curious how much of the block cache total size is used by indexes and bloom filters. It will be nice we have a way to report that. It can help people tune performance and plan for optimized hardware setting. We add several enum values for db Statistics. BLOCK_CACHE_INDEX/FILTER_BYTES_INSERT - BLOCK_CACHE_INDEX/FILTER_BYTES_ERASE = current INDEX/FILTER total block size in bytes.

Test Plan:
write a test case called `DBBlockCacheTest.IndexAndFilterBlocksStats`. The result is:
```
[gzh@dev9927.prn1 ~/local/rocksdb]  make db_block_cache_test -j64 && ./db_block_cache_test --gtest_filter=DBBlockCacheTest.IndexAndFilterBlocksStats
Makefile:101: Warning: Compiling in debug mode. Don't use the resulting binary in production
  GEN      util/build_version.cc
  make: `db_block_cache_test' is up to date.
  Note: Google Test filter = DBBlockCacheTest.IndexAndFilterBlocksStats
  [==========] Running 1 test from 1 test case.
  [----------] Global test environment set-up.
  [----------] 1 test from DBBlockCacheTest
  [ RUN      ] DBBlockCacheTest.IndexAndFilterBlocksStats
  [       OK ] DBBlockCacheTest.IndexAndFilterBlocksStats (689 ms)
  [----------] 1 test from DBBlockCacheTest (689 ms total)

  [----------] Global test environment tear-down
  [==========] 1 test from 1 test case ran. (689 ms total)
  [  PASSED  ] 1 test.
```

Reviewers: IslamAbdelRahman, andrewkr, sdong

Reviewed By: sdong

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D58677
2016-06-03 10:47:47 -07:00
Adam Retter a791a2cf2d Java API - Bugfix for native linking of Compaction Filter (#1099) 2016-06-03 10:24:03 -07:00
Andrew Kryczka af0c9ac01d Env registry for URI-based Env selection [pluggable Env part 1]
Summary:
This enables configurable Envs without recompiling. For example, my
next diff will make env_test test an Env created by NewEnvFromUri(). Then,
users can determine which Env is tested simply by providing the URI for
NewEnvFromUri() (e.g., through a CLI argument or environment variable).

The registration process allows us to register any Env that is linked with the
RocksDB library, so we can register our internal Envs as well.

The registration code is inspired by our internal InitRegistry.

Test Plan: new unit test

Reviewers: IslamAbdelRahman, lightmark, ldemailly, sdong

Reviewed By: sdong

Subscribers: leveldb, dhruba, andrewkr

Differential Revision: https://reviews.facebook.net/D58449
2016-06-03 08:15:16 -07:00
Jan Doms 02ec8154e5 allow updating block cache capacity from C (#1149) 2016-06-03 14:04:51 +01:00
Aaron Gao 630b732cb3 fix flaky sim_cache_test
Summary: fix flaky test

Test Plan: `make all check`

Reviewers: sdong, andrewkr

Reviewed By: andrewkr

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D59157
2016-06-02 18:39:25 -07:00
krad 62d5480984 Add persistent cache to Windows build system
Summary: Add hash table (under persistent cache) to CMake list

Test Plan: Run hash_test in windows and make check in Linux

Reviewers: sdong

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D59151
2016-06-02 17:48:25 -07:00
Andrew Kryczka 842958651f Fix race condition in SwitchMemtable
Summary:
MemTableList::current_ could be written by background flush thread and
simultaneously read in the user thread (NumNotFlushed() is used in
SwitchMemtable()). Use the lock to prevent this case. Found the error from tsan.

Related: D58833

Test Plan:
  $ OPT=-g COMPILE_WITH_TSAN=1 make -j64 db_test
  $ TEST_TMPDIR=/dev/shm/rocksdb ./db_test --gtest_filter=DBTest.RepeatedWritesToSameKey

Reviewers: lightmark, sdong

Reviewed By: sdong

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D59139
2016-06-02 17:11:45 -07:00
Yueh-Hsuan Chiang 88acd932f6 Allows db_bench to take an options file
Summary:
This patch allows db_bench to initialize it's RocksDB Options via a
options file, specified by the --options_file flag.  Note that if
--options_file flag is set, then it has higher priority than the
command-line argument.

Test Plan: db_bench_tool_test

Reviewers: sdong, IslamAbdelRahman, kradhakrishnan, yiwu, andrewkr

Reviewed By: andrewkr

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D58533
2016-06-02 16:24:14 -07:00
PraveenSinghRao 3a276b0cbe Add a callback for when memtable is moved to immutable (#1137)
* Create a callback for memtable becoming immutable

Create a callback for memtable becoming immutable

Create a callback for memtable becoming immutable

moved notification outside the lock

Move sealed notification to unlocked portion of SwitchMemtable

* fix lite build
2016-06-02 11:57:31 -07:00
Yueh-Hsuan Chiang 8cf0f86d39 Allow regression test to run db_bench at a remost host
Summary:
This patch does the following improvement on the regression_test.sh
* allows db_bench being executed at a remost host while storing the
  benchmark results locally.
* kills all db_bench related processes before running db_bench
* better error handling.

Test Plan:
1. Run regression_test.sh both locally and remotely
2. Run multiple regression_test.sh at the same time and make sure
   i. Only one runs successfully.
   ii. The one that runs successfully will kill all other db_bench
       processes before it runs any benchmark.

Reviewers: sdong, yiwu, gunnarku

Reviewed By: gunnarku

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D58611
2016-06-02 02:53:39 -07:00
krad 27ad170712 Fix Windows build break
Summary:
Direct IO checkin breaks Windows build. Fixing the code to work for
Windows.

Test Plan: Run env_test in Windows 10 and make check in Linux

Reviewers: sdong

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D59073
2016-06-01 18:07:59 -07:00
Mike Kolupaev 936973d145 Small tweaks to logging to track the number of immutable memtables
Summary:
We see some write stalls because of number of unflushed memtables. With existing logging I couldn't figure out what's happening exactly. See internal task t11446054 for details if interested. This diff adds:
- logging of memtable creation at info level; I wanted it on multiple occasions for different reasons; also include number of immutable memtables,
- logging of number of remaining immutable memtables after a flush.

Test Plan: ran tests

Reviewers: sdong

Reviewed By: sdong

Subscribers: andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D58833
2016-06-01 11:11:33 -07:00
siddontang 21c047ab49 add readahead size option (#1146) 2016-06-01 10:48:50 -07:00
Vasile Paraschiv 71c7eed91c Assert boundary checks for SetPerfLevel()
Summary: Add asserts around PerfLevel enum

Test Plan: make all check -j32

Reviewers: sdong

Reviewed By: sdong

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D59007
2016-06-01 09:07:09 -07:00
Reid Horuff 5d85fdb2c5 add missing lock 2016-05-31 12:26:48 -07:00
sdong c40c4cae14 LDBCommand::SelectCommand to use a struct as the parameter
Summary: The function wrapper for LDBCommand::SelectCommand is too long so that Windows build fails with warning "decorated name length exceeded, name was truncated". Shrink the length by using a struct.

Test Plan: Build on both of Linux and Windows and make sure the warning doesn't show in either platform.

Reviewers: andrewkr, adsharma, IslamAbdelRahman

Reviewed By: IslamAbdelRahman

Subscribers: leveldb, andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D58965
2016-05-31 10:26:53 -07:00
Zuoyan Qin 590e2617ee fix delete file bug when do checkpoint (#1138) 2016-05-29 14:26:55 -07:00
Andrew Kryczka 8dfa980cba Add statically-linked library for tools/benchmarks
Summary:
Currently all the tools are included in librocksdb.a (db_bench is not). With
this separate library, we can access db_bench functionality from our internal
repo and eventually move tools out of librocksdb.a.

Test Plan: built a simple binary against this library that invokes db_bench_tool().

Reviewers: IslamAbdelRahman, sdong

Reviewed By: sdong

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D58977
2016-05-27 17:25:02 -07:00
sdong f62fbd2c85 Handle overflow case of rate limiter's paramters
Summary: When rate_bytes_per_sec * refill_period_us_ overflows, the actual limited rate is very low. Handle this case so the rate will be large.

Test Plan: Add a unit test for it.

Reviewers: IslamAbdelRahman, andrewkr

Reviewed By: andrewkr

Subscribers: yiwu, lightmark, leveldb, andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D58929
2016-05-27 16:15:28 -07:00
Andrew Kryczka 57461fba8c In-memory environment read beyond EOF
Summary:
Made it consistent with posix Env, which uses pread() that returns 0
(success) when an offset is given beyond EOF. The purpose of making these Envs
behave consistently is I am repurposing the in-memory Envs' tests for the basic
Env tests in D58635.

Test Plan: ran mock_env_test and memenv_test

Reviewers: IslamAbdelRahman, lightmark, sdong

Reviewed By: sdong

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D58845
2016-05-27 12:10:26 -07:00
sdong 0e20000171 LDBCommand::InitFromCmdLineArgs() to move from template to function wrapper
Summary:
Build failure with some compiler setting with

tools/reduce_levels_test.cc:97: undefined reference to `rocksdb::LDBCommand* rocksdb::LDBCommand::InitFromCmdLineArgs<rocksdb::LDBCommand* (*)(std::string const&, std::vector<std::string, std::allocator<std::string> > const&, std::map<std::string, std::string, std::less<std::string>, std::allocator<std::pair<std::string const, std::string> > > const&, std::vector<std::string, std::allocator<std::string> > const&)>(std::vector<std::string, std::allocator<std::string> > const&, rocksdb::Options const&, rocksdb::LDBOptions const&, std::vector<rocksdb::ColumnFamilyDescriptor, std::allocator<rocksdb::ColumnFamilyDescriptor> > const*, rocksdb::LDBCommand* (*)(std::string const&, std::vector<std::string, std::allocator<std::string> > const&, std::map<std::string, std::string, std::less<std::string>, std::allocator<std::pair<std::string const, std::string> > > const&, std::vector<std::string, std::allocator<std::string> > const&))'

Fix it by changing to function pointer instead

Test Plan: Run all existing tests

Reviewers: andrewkr, kradhakrishnan, IslamAbdelRahman

Reviewed By: IslamAbdelRahman

Subscribers: adsharma, lightmark, yiwu, leveldb, andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D58905
2016-05-27 11:07:48 -07:00
Vasile Paraschiv 472c06e903 Add low and upper bound values for rocksdb::PerfLevel enum
Summary:
Add under and over limits for rocksdb::PerfLevel enum
to allow us to do boundary checks before casting ints or unints
to this enum.

Test Plan: make all check -j32

Reviewers: sdong

Reviewed By: sdong

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D58521
2016-05-27 10:10:27 -07:00
sdong 157e0633e7 MutexLock -> ThreadPoolMutexLock in util/threadpool.cc
Summary: util/threadpool.cc's function name is the same as a well-known class name. It breaks unity build. Rename it.

Test Plan: Run all existing test.

Reviewers: yiwu, IslamAbdelRahman

Reviewed By: IslamAbdelRahman

Subscribers: leveldb, andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D58881
2016-05-27 09:41:35 -07:00
sdong 23d4cf483c include/rocksdb/sst_file_writer.h should not depend on util/mutable_cf_options.h
Summary: I don't think util/mutable_cf_options.h is needed inside include/rocksdb/sst_file_writer.h and it is not allowed. Remove it.

Test Plan: Run all tests

Reviewers: IslamAbdelRahman

Reviewed By: IslamAbdelRahman

Subscribers: lightmark, leveldb, andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D58827
2016-05-26 11:23:50 -07:00
sdong 345fd73faf Fix flaky DBTestDynamicLevel.DynamicLevelMaxBytesBase2
Summary: We added more table properties for each SST file, so when using 2KB SST file size, the estimated size of SST files is off by almost half, causing the LSM tree structure not as expected. Fix it by making file size 4x as previously, as well as LSM base size. Also avoid the sleeping based synchronization and turn to use sync points.

Test Plan: Run paralell unit tests multiple times and make sure they always pass.

Reviewers: IslamAbdelRahman, kradhakrishnan

Reviewed By: kradhakrishnan

Subscribers: leveldb, andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D58749
2016-05-26 10:13:24 -07:00
krad 8fc75de327 Minor fix to disable DynamicLevelMaxBytesBase2 2016-05-24 17:45:50 -07:00
Islam AbdelRahman 9dd50d9902 Fix db_bench
Summary: Fix simple issue with FLAGS_simcache_size condition

Test Plan: run db_bench

Reviewers: lightmark

Reviewed By: lightmark

Subscribers: andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D58743
2016-05-24 17:27:44 -07:00
Aaron Gao 5d660258e7 add simulator Cache as class SimCache/SimLRUCache(with test)
Summary: add class SimCache(base class with instrumentation api) and SimLRUCache(derived class with detailed implementation) which is used as an instrumented block cache that can predict hit rate for different cache size

Test Plan:
Add a test case in `db_block_cache_test.cc` called `SimCacheTest` to test basic logic of SimCache.
Also add option `-simcache_size` in db_bench. if set with a value other than -1, then the benchmark will use this value as the size of the simulator cache and finally output the simulation result.
```
[gzh@dev9927.prn1 ~/local/rocksdb] ./db_bench -benchmarks "fillseq,readrandom" -cache_size 1000000 -simcache_size 1000000
RocksDB:    version 4.8
Date:       Tue May 17 16:56:16 2016
CPU:        32 * Intel(R) Xeon(R) CPU E5-2660 0 @ 2.20GHz
CPUCache:   20480 KB
Keys:       16 bytes each
Values:     100 bytes each (50 bytes after compression)
Entries:    1000000
Prefix:    0 bytes
Keys per prefix:    0
RawSize:    110.6 MB (estimated)
FileSize:   62.9 MB (estimated)
Write rate: 0 bytes/second
Compression: Snappy
Memtablerep: skip_list
Perf Level: 0
WARNING: Assertions are enabled; benchmarks unnecessarily slow
------------------------------------------------
DB path: [/tmp/rocksdbtest-112628/dbbench]
fillseq      :       6.809 micros/op 146874 ops/sec;   16.2 MB/s
DB path: [/tmp/rocksdbtest-112628/dbbench]
readrandom   :       6.343 micros/op 157665 ops/sec;   17.4 MB/s (1000000 of 1000000 found)

SIMULATOR CACHE STATISTICS:
SimCache LOOKUPs: 986559
SimCache HITs:    264760
SimCache HITRATE: 26.84%

[gzh@dev9927.prn1 ~/local/rocksdb] ./db_bench -benchmarks "fillseq,readrandom" -cache_size 1000000 -simcache_size 10000000
RocksDB:    version 4.8
Date:       Tue May 17 16:57:10 2016
CPU:        32 * Intel(R) Xeon(R) CPU E5-2660 0 @ 2.20GHz
CPUCache:   20480 KB
Keys:       16 bytes each
Values:     100 bytes each (50 bytes after compression)
Entries:    1000000
Prefix:    0 bytes
Keys per prefix:    0
RawSize:    110.6 MB (estimated)
FileSize:   62.9 MB (estimated)
Write rate: 0 bytes/second
Compression: Snappy
Memtablerep: skip_list
Perf Level: 0
WARNING: Assertions are enabled; benchmarks unnecessarily slow
------------------------------------------------
DB path: [/tmp/rocksdbtest-112628/dbbench]
fillseq      :       5.066 micros/op 197394 ops/sec;   21.8 MB/s
DB path: [/tmp/rocksdbtest-112628/dbbench]
readrandom   :       6.457 micros/op 154870 ops/sec;   17.1 MB/s (1000000 of 1000000 found)

SIMULATOR CACHE STATISTICS:
SimCache LOOKUPs: 1059764
SimCache HITs:    374501
SimCache HITRATE: 35.34%

[gzh@dev9927.prn1 ~/local/rocksdb] ./db_bench -benchmarks "fillseq,readrandom" -cache_size 1000000 -simcache_size 100000000
RocksDB:    version 4.8
Date:       Tue May 17 16:57:32 2016
CPU:        32 * Intel(R) Xeon(R) CPU E5-2660 0 @ 2.20GHz
CPUCache:   20480 KB
Keys:       16 bytes each
Values:     100 bytes each (50 bytes after compression)
Entries:    1000000
Prefix:    0 bytes
Keys per prefix:    0
RawSize:    110.6 MB (estimated)
FileSize:   62.9 MB (estimated)
Write rate: 0 bytes/second
Compression: Snappy
Memtablerep: skip_list
Perf Level: 0
WARNING: Assertions are enabled; benchmarks unnecessarily slow
------------------------------------------------
DB path: [/tmp/rocksdbtest-112628/dbbench]
fillseq      :       5.632 micros/op 177572 ops/sec;   19.6 MB/s
DB path: [/tmp/rocksdbtest-112628/dbbench]
readrandom   :       6.892 micros/op 145094 ops/sec;   16.1 MB/s (1000000 of 1000000 found)

SIMULATOR CACHE STATISTICS:
SimCache LOOKUPs: 1150767
SimCache HITs:    1034535
SimCache HITRATE: 89.90%
```

Reviewers: IslamAbdelRahman, andrewkr, sdong

Reviewed By: sdong

Subscribers: MarkCallaghan, andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D57999
2016-05-23 23:35:23 -07:00
omegaga d379d110ee Update CMakeLists.txt for added test
Summary: Update CMakeLists.txt for added db_io_failure_test. Depends on D58341

Test Plan: Run make check to see if the tests are working properly.

Reviewers: sdong

Reviewed By: sdong

Subscribers: andrewkr, dhruba

Differential Revision: https://reviews.facebook.net/D58671
2016-05-23 17:09:58 -07:00
krad 21f847eda5 Direct IO fix for Mac
Summary:
O_DIRECT is not available in Mac as a flag for open. The fix is to make
use of fctl after the file is opened

Test Plan: Run the tests on mac and Linux

Reviewers: sdong

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D58665
2016-05-23 16:38:25 -07:00
Ashish Shenoy 99765ed855 Clean up the ComputeCompactionScore() API
Summary: Make CompactionOptionsFIFO a part of mutable_cf_options

Test Plan: UT

Reviewers: sdong

Reviewed By: sdong

Subscribers: andrewkr, lgalanis, dhruba

Differential Revision: https://reviews.facebook.net/D58653
2016-05-23 15:55:29 -07:00