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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
..
binary_search_index_reader.cc Separate internal and user key comparators in `BlockIter` (#6944) 2020-07-07 17:26:16 -07:00
binary_search_index_reader.h Extend Get/MultiGet deadline support to table open (#6982) 2020-06-29 14:53:17 -07:00
block.cc Remove unused includes (#7604) 2020-10-28 23:22:27 -07:00
block.h Add EnvTestWithParam::OptionsTest to the ASSERT_STATUS_CHECKED passes (#7283) 2020-08-20 19:18:35 -07:00
block_based_filter_block.cc Exclude timestamp from prefix extractor (#7668) 2020-12-01 14:07:15 -08:00
block_based_filter_block.h Exclude timestamp from prefix extractor (#7668) 2020-12-01 14:07:15 -08:00
block_based_filter_block_test.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
block_based_table_builder.cc Add a SystemClock class to capture the time functions of an Env (#7858) 2021-01-25 22:09:11 -08:00
block_based_table_builder.h Make parallel compression optimization code tidier (#6888) 2020-10-22 11:05:25 -07:00
block_based_table_factory.cc Fix the logic of setting read_amp_bytes_per_bit from OPTIONS file (#7680) 2020-11-17 00:44:30 -08:00
block_based_table_factory.h Create a Customizable class to load classes and configurations (#6590) 2020-11-11 15:10:41 -08:00
block_based_table_iterator.cc Clean up InternalIterator upper bound logic a little bit (#7200) 2020-08-05 10:44:57 -07:00
block_based_table_iterator.h Exclude timestamp from prefix extractor (#7668) 2020-12-01 14:07:15 -08:00
block_based_table_reader.cc Add a SystemClock class to capture the time functions of an Env (#7858) 2021-01-25 22:09:11 -08:00
block_based_table_reader.h Add a SystemClock class to capture the time functions of an Env (#7858) 2021-01-25 22:09:11 -08:00
block_based_table_reader_impl.h Divide block_based_table_reader.cc (#6527) 2020-03-12 21:41:50 -07:00
block_based_table_reader_test.cc Add a SystemClock class to capture the time functions of an Env (#7858) 2021-01-25 22:09:11 -08:00
block_builder.cc Add pipelined & parallel compression optimization (#6262) 2020-04-01 16:40:18 -07:00
block_builder.h Add pipelined & parallel compression optimization (#6262) 2020-04-01 16:40:18 -07:00
block_prefetcher.cc Add buffer prefetch support for non directIO usecase (#7312) 2020-08-27 18:16:53 -07:00
block_prefetcher.h De-template block based table iterator (#6531) 2020-03-16 12:20:50 -07:00
block_prefix_index.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
block_prefix_index.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
block_test.cc More Makefile Cleanup (#7097) 2020-07-09 14:35:17 -07:00
block_type.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
cachable_entry.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
data_block_footer.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
data_block_footer.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
data_block_hash_index.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
data_block_hash_index.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
data_block_hash_index_test.cc Make StringEnv, StringSink, StringSource use FS classes (#7786) 2021-01-04 16:01:01 -08:00
filter_block.h Exclude timestamp from prefix extractor (#7668) 2020-12-01 14:07:15 -08:00
filter_block_reader_common.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
filter_block_reader_common.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
filter_policy.cc Migrate away from Travis+Linux+amd64 (#7791) 2020-12-22 00:20:57 -08:00
filter_policy_internal.h Support optimize_filters_for_memory for Ribbon filter (#7774) 2020-12-18 14:31:03 -08:00
flush_block_policy.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
flush_block_policy.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
full_filter_block.cc Exclude timestamp from prefix extractor (#7668) 2020-12-01 14:07:15 -08:00
full_filter_block.h Exclude timestamp from prefix extractor (#7668) 2020-12-01 14:07:15 -08:00
full_filter_block_test.cc Use size_t for filter APIs, protect against overflow (#7726) 2020-12-11 22:18:12 -08:00
hash_index_reader.cc Separate internal and user key comparators in `BlockIter` (#6944) 2020-07-07 17:26:16 -07:00
hash_index_reader.h Extend Get/MultiGet deadline support to table open (#6982) 2020-06-29 14:53:17 -07:00
index_builder.cc Move break into block (#7468) 2020-09-30 20:24:23 -07:00
index_builder.h Make db_basic_test pass assert status checked (#7452) 2020-09-29 09:49:04 -07:00
index_reader_common.cc Divide block_based_table_reader.cc (#6527) 2020-03-12 21:41:50 -07:00
index_reader_common.h Divide block_based_table_reader.cc (#6527) 2020-03-12 21:41:50 -07:00
mock_block_based_table.h For ApproximateSizes, pro-rate table metadata size over data blocks (#6784) 2020-06-02 12:30:23 -07:00
parsed_full_filter_block.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
parsed_full_filter_block.h Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
partitioned_filter_block.cc Add a SystemClock class to capture the time functions of an Env (#7858) 2021-01-25 22:09:11 -08:00
partitioned_filter_block.h Return error if Get/Multi() fails in Prefetching Filter blocks (#7543) 2020-10-14 10:45:36 -07:00
partitioned_filter_block_test.cc Remove unused includes (#7604) 2020-10-28 23:22:27 -07:00
partitioned_index_iterator.cc Fix misspelling of PartitionedIndexIterator (#7450) 2020-09-29 16:28:13 -07:00
partitioned_index_iterator.h Fix misspelling of PartitionedIndexIterator (#7450) 2020-09-29 16:28:13 -07:00
partitioned_index_reader.cc Add a SystemClock class to capture the time functions of an Env (#7858) 2021-01-25 22:09:11 -08:00
partitioned_index_reader.h Get() to fail with underlying failures in PartitionIndexReader::CacheDependencies() (#7297) 2020-08-25 19:01:05 -07:00
reader_common.cc Fix block checksum for >=4GB, refactor (#6978) 2020-06-19 16:18:24 -07:00
reader_common.h Bring the Configurable options together (#5753) 2020-09-14 17:01:01 -07:00
uncompression_dict_reader.cc Extend Get/MultiGet deadline support to table open (#6982) 2020-06-29 14:53:17 -07:00
uncompression_dict_reader.h Extend Get/MultiGet deadline support to table open (#6982) 2020-06-29 14:53:17 -07:00