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979fbdc696
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Vijay Nadimpalli 979fbdc696 Persistent globally unique DB ID in manifest (#5725) 
Summary:
Each DB has a globally unique ID. A DB can be physically copied around, or backed-up and restored, and the users should be identify the same DB. This unique ID right now is stored as plain text in file IDENTITY under the DB directory. This approach introduces at least two problems: (1) the file is not checksumed; (2) the source of truth of a DB is the manifest file, which can be copied separately from IDENTITY file, causing the DB ID to be wrong.
The goal of this PR is solve this problem by moving the  DB ID to manifest. To begin with we will write to both identity file and manifest. Write to Manifest is controlled via the flag write_dbid_to_manifest in Options and default is false.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/5725

Test Plan: Added unit tests.

Differential Revision: D16963840

Pulled By: vjnadimpalli

fbshipit-source-id: 8a86a4c8c82c716003c40fd6b9d2d758030d92e9
2019-09-03 08:52:24 -07:00
..
utilities Refactor trimming logic for immutable memtables (#5022) 2019-08-23 13:55:34 -07:00
advanced_options.h Refactor trimming logic for immutable memtables (#5022) 2019-08-23 13:55:34 -07:00
c.h Refactor trimming logic for immutable memtables (#5022) 2019-08-23 13:55:34 -07:00
cache.h Move the uncompression dictionary object out of the block cache (#5584) 2019-07-23 16:01:44 -07:00
cleanable.h Support pragma once in all header files and cleanup some warnings (#4339) 2018-09-05 18:13:31 -07:00
compaction_filter.h Run automatic formatter against public header files (#5115) 2019-03-27 13:24:25 -07:00
compaction_job_stats.h Add a new CPU time counter to compaction report (#4889) 2019-01-29 17:24:00 -08:00
comparator.h The ObjectRegistry class replaces the Registrar and NewCustomObjects.… (#5293) 2019-07-23 17:13:05 -07:00
concurrent_task_limiter.h Run automatic formatter against public header files (#5115) 2019-03-27 13:24:25 -07:00
convenience.h Do readahead in VerifyChecksum() (#5713) 2019-08-16 16:42:56 -07:00
db_bench_tool.h Change RocksDB License 2017-07-15 16:11:23 -07:00
db_dump_tool.h Fix some typos in comments and docs. 2018-03-08 10:27:25 -08:00
db.h Do readahead in VerifyChecksum() (#5713) 2019-08-16 16:42:56 -07:00
env_encryption.h Run automatic formatter against public header files (#5115) 2019-03-27 13:24:25 -07:00
env.h The ObjectRegistry class replaces the Registrar and NewCustomObjects.… (#5293) 2019-07-23 17:13:05 -07:00
experimental.h Change RocksDB License 2017-07-15 16:11:23 -07:00
filter_policy.h Remove a couple of non-public includes from public header file (#5219) 2019-04-19 11:10:33 -07:00
flush_block_policy.h Run automatic formatter against public header files (#5115) 2019-03-27 13:24:25 -07:00
iostats_context.h Add a new CPU time counter to compaction report (#4889) 2019-01-29 17:24:00 -08:00
iterator.h Revert "BaseDeltaIterator: always check valid() before accessing key(… (#4744) 2018-12-03 23:38:27 -08:00
ldb_tool.h Run automatic formatter against public header files (#5115) 2019-03-27 13:24:25 -07:00
listener.h Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
memory_allocator.h JemallocNodumpAllocator: option to limit tcache memory usage (#4736) 2018-11-29 17:33:40 -08:00
memtablerep.h Run automatic formatter against public header files (#5115) 2019-03-27 13:24:25 -07:00
merge_operator.h The ObjectRegistry class replaces the Registrar and NewCustomObjects.… (#5293) 2019-07-23 17:13:05 -07:00
metadata.h Export Import sst files (#5495) 2019-07-17 12:27:14 -07:00
options.h Persistent globally unique DB ID in manifest (#5725) 2019-09-03 08:52:24 -07:00
perf_context.h Run automatic formatter against public header files (#5115) 2019-03-27 13:24:25 -07:00
perf_level.h Introduce a CPU time counter in perf_context (#4741) 2018-12-20 12:03:44 -08:00
persistent_cache.h Change RocksDB License 2017-07-15 16:11:23 -07:00
rate_limiter.h Fix typos in comments (#4819) 2018-12-26 09:43:56 -08:00
slice_transform.h Run automatic formatter against public header files (#5115) 2019-03-27 13:24:25 -07:00
slice.h Run automatic formatter against public header files (#5115) 2019-03-27 13:24:25 -07:00
snapshot.h Change RocksDB License 2017-07-15 16:11:23 -07:00
sst_dump_tool.h tools: use provided options instead of the default (#4839) 2019-01-03 11:23:49 -08:00
sst_file_manager.h Smooth the deletion of WAL files (#5116) 2019-03-28 15:17:13 -07:00
sst_file_reader.h Do readahead in VerifyChecksum() (#5713) 2019-08-16 16:42:56 -07:00
sst_file_writer.h Run automatic formatter against public header files (#5115) 2019-03-27 13:24:25 -07:00
statistics.h WritePrepared: fix Get without snapshot (#5664) 2019-08-05 13:41:21 -07:00
stats_history.h Persistent Stats: persist stats history to disk (#5046) 2019-06-17 15:21:50 -07:00
status.h New API to get all merge operands for a Key (#5604) 2019-08-06 14:26:44 -07:00
table_properties.h Add copyright headers per FB open-source checkup tool. (#5199) 2019-04-18 10:55:01 -07:00
table.h LRU Cache to enable mid-point insertion by default (#5508) 2019-06-27 10:20:57 -07:00
thread_status.h Run automatic formatter against public header files (#5115) 2019-03-27 13:24:25 -07:00
threadpool.h Run automatic formatter against public header files (#5115) 2019-03-27 13:24:25 -07:00
trace_reader_writer.h Add the max trace file size limitation option to Tracing (#4610) 2018-11-27 14:27:05 -08:00
transaction_log.h Run automatic formatter against public header files (#5115) 2019-03-27 13:24:25 -07:00
types.h WriteUnPrepared: less virtual in iterator callback (#5049) 2019-04-02 14:47:16 -07:00
universal_compaction.h Run automatic formatter against public header files (#5115) 2019-03-27 13:24:25 -07:00
version.h Update history and version for 6.4.0 (#5652) 2019-07-30 16:10:06 -07:00
wal_filter.h Run automatic formatter against public header files (#5115) 2019-03-27 13:24:25 -07:00
write_batch_base.h Fix WriteBatchBase::DeleteRange API comment (#4935) 2019-01-31 14:43:40 -08:00
write_batch.h WriteUnPrepared: savepoint support (#5627) 2019-07-31 13:39:39 -07:00
write_buffer_manager.h WriteBufferManger doens't cost to cache if no limit is set (#4695) 2018-11-18 16:55:43 -08:00