fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph

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Zhichao Cao 4369f2c7bb Checksum for each SST file and stores in MANIFEST (#6216) ... Summary: In the current code base, RocksDB generate the checksum for each block and verify the checksum at usage. Current PR enable SST file checksum. After a SST file is generated by Flush or Compaction, RocksDB generate the SST file checksum and store the checksum value and checksum method name in the vs_info and MANIFEST as part for the FileMetadata. Added the enable_sst_file_checksum to Options to enable or disable file checksum. Added sst_file_checksum to Options such that user can plugin their own SST file checksum calculate method via overriding the SstFileChecksum class. The checksum information inlcuding uint32_t checksum value and a checksum name (string). A new tool is added to LDB such that user can dump out a list of file checksum information from MANIFEST. If user enables the file checksum but does not provide the sst_file_checksum instance, RocksDB will use the default crc32checksum implemented in table/sst_file_checksum_crc32c.h Pull Request resolved: https://github.com/facebook/rocksdb/pull/6216 Test Plan: Added the testing case in table_test and ldb_cmd_test to verify checksum is correct in different level. Pass make asan_check. Differential Revision: D19171461 Pulled By: zhichao-cao fbshipit-source-id: b2e53479eefc5bb0437189eaa1941670e5ba8b87		5 years ago
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db_impl.cc	Add an option to prevent DB::Open() from querying sizes of all sst files (#6353)	5 years ago
db_impl.h	Avoid create directory for every column families (#6358)	5 years ago
db_impl_compaction_flush.cc	Checksum for each SST file and stores in MANIFEST (#6216)	5 years ago
db_impl_debug.cc	Fix IngestExternalFile's bug with two_write_queue (#5976)	5 years ago
db_impl_experimental.cc	Checksum for each SST file and stores in MANIFEST (#6216)	5 years ago
db_impl_files.cc	Clean up VersionEdit a bit (#6383)	5 years ago
db_impl_open.cc	Checksum for each SST file and stores in MANIFEST (#6216)	5 years ago
db_impl_readonly.cc	Apply formatter on recent 45 commits. (#5827)	5 years ago
db_impl_readonly.h	Use delete to disable automatic generated methods. (#5009)	5 years ago
db_impl_secondary.cc	Add an option to prevent DB::Open() from querying sizes of all sst files (#6353)	5 years ago
db_impl_secondary.h	Double Crash in kPointInTimeRecovery with TransactionDB (#6313)	5 years ago
db_impl_write.cc	Add error status for no_slowdown & low priority write (#6396)	5 years ago
db_secondary_test.cc	Break db_stress_tool.cc to a list of source files (#6134)	5 years ago