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rocksdb/utilities
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Karthikeyan Radhakrishnan 3068870cce Making persistent cache more resilient to filesystem failures 
Summary:
The persistent cache is designed to hop over errors and return key not found. So far, it has shown resilience to write errors, encoding errors, data corruption etc. It is not resilient against disappearing files/directories. This was exposed during testing when multiple instances of persistence cache was started sharing the same directory simulating an unpredictable filesystem environment.

This patch

- makes the write code path more resilient to errors while creating files
- makes the read code path more resilient to handle situation where files are not found
- added a test that does negative write/read testing by removing the directory while writes are in progress
Closes https://github.com/facebook/rocksdb/pull/1472

Differential Revision: D4143413

Pulled By: kradhakrishnan

fbshipit-source-id: fd25e9b
 		2016-11-22 10:39:10 -08:00
..
backupable Remove LATEST_BACKUP file 2016-11-16 17:24:15 -08:00
blob_db Support SST files with Global sequence numbers [reland] 2016-10-18 16:59:37 -07:00
checkpoint fix typo in comments (#1360) 2016-09-27 20:39:15 -07:00
compaction_filters Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
convenience Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
date_tiered DeleteRange user iterator support 2016-11-04 12:09:22 -07:00
document Alpine Linux Build (#990) 2016-04-22 16:49:12 -07:00
flashcache Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
geodb Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
leveldb_options Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
lua rocks_lua_compaction_filter: add unused attribute to a variable 2016-11-21 14:54:14 -08:00
memory Disable auto compactions in memory_test and re-enable the test (#1408) 2016-10-19 18:18:42 -07:00
merge_operators Introduce FullMergeV2 (eliminate memcpy from merge operators) 2016-07-20 09:49:03 -07:00
option_change_migration option_change_migration_test: force full compaction when needed 2016-11-15 22:09:34 -08:00
options Only cache level 0 indexes and filter when opening table reader 2016-07-20 11:23:31 -07:00
persistent_cache Making persistent cache more resilient to filesystem failures 2016-11-22 10:39:10 -08:00
redis Eliminate use of 'using namespace std'. Also remove a number of ADL references to std functions. 2016-05-20 07:42:18 -07:00
simulator_cache add stats to Cache::LookUp() 2016-09-01 13:50:39 -07:00
spatialdb fix wrong assignment of level0_stop_writes_trigger in spatialdb (#1061) 2016-04-07 09:02:28 -07:00
table_properties_collectors Updated all copyright headers to the new format. 2016-02-09 15:12:00 -08:00
transactions Use more efficient hash map for deadlock detection 2016-11-19 11:39:15 -08:00
ttl Add SeekForPrev() to Iterator 2016-09-27 18:20:57 -07:00
write_batch_with_index Avoid calling GetDBOptions() inside GetFromBatchAndDB() 2016-10-18 13:19:26 -07:00
col_buf_decoder.cc Fix clang on macOS 2016-08-03 10:41:27 -07:00
col_buf_decoder.h Fix clang build failure and refactor unit test 2016-08-02 15:16:39 -07:00
col_buf_encoder.cc Fix clang on macOS 2016-08-03 10:41:27 -07:00
col_buf_encoder.h Fix clang build failure and refactor unit test 2016-08-02 15:16:39 -07:00
column_aware_encoding_exp.cc Support ZSTD with finalized format 2016-09-06 12:22:16 -07:00
column_aware_encoding_test.cc Fix clang build failure and refactor unit test 2016-08-02 15:16:39 -07:00
column_aware_encoding_util.cc Fix Windows build issues (#1253) 2016-08-02 17:15:18 -07:00
column_aware_encoding_util.h Remove ImmutableCFOptions from public API 2016-09-02 14:16:31 -07:00
env_librados.cc Add EnvLibrados - RocksDB Env of RADOS (#1222) 2016-07-21 11:16:34 -07:00
env_librados.md Add EnvLibrados - RocksDB Env of RADOS (#1222) 2016-07-21 11:16:34 -07:00
env_librados_test.cc Add EnvLibrados - RocksDB Env of RADOS (#1222) 2016-07-21 11:16:34 -07:00
env_mirror.cc Fix warning in release 2015-12-23 22:38:12 -08:00
env_mirror_test.cc env: add EnvMirror 2015-12-10 21:32:45 -05:00
env_registry.cc Env registry for URI-based Env selection [pluggable Env part 1] 2016-06-03 08:15:16 -07:00
env_registry_test.cc Env registry for URI-based Env selection [pluggable Env part 1] 2016-06-03 08:15:16 -07:00
merge_operators.h Introduce FullMergeV2 (eliminate memcpy from merge operators) 2016-07-20 09:49:03 -07:00
util_merge_operators_test.cc Introduce FullMergeV2 (eliminate memcpy from merge operators) 2016-07-20 09:49:03 -07:00