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

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Peter Dillinger 02f2b20864 Add BackupEngine feature to exclude files (#11030) ... Summary: We have a request for RocksDB to essentially support disconnected incremental backup. In other words, if there is limited or no connectivity to the primary backup dir, we should still be able to take an incremental backup relative to that primary backup dir, assuming some metadata about that primary dir is available (and obviously anticipating primary backup dir will be fully available if restore is needed). To support that, this feature allows the API user to "exclude" DB files from backup. This only applies to files that can be shared between backups (sst and blob files), and excluded files are tracked in the backup metadata sufficiently to ensure they are restored at restore time. At restore time, the user provides a set of alternate backup directories (as open BackupEngines, which can be read-only), and excluded files must be found in one of the backup directories ("included" in some backup). This feature depends on backup schema version 2 features, though schema version 2.0 support is not sufficient to read / restore a backup with exclusions. This change updates the schema version to 2.1 because of this feature, so that it's easy to recognize whether a RocksDB release supports this feature, while backups not using the feature are fully compatible with 2.0. Also in this PR: * Stacked on https://github.com/facebook/rocksdb/pull/11029 * Allow progress_callback to be empty, not just no-op function, and recover from exceptions thrown by BackupEngine callbacks. * The internal-only `AsBackupEngine()` function is working around the diamond hierarchy of `BackupEngineImplThreadSafe` to get to the internals, without using confusing features like virtual inheritance. Pull Request resolved: https://github.com/facebook/rocksdb/pull/11030 Test Plan: unit tests added / updated Reviewed By: ajkr Differential Revision: D42004388 Pulled By: pdillinger fbshipit-source-id: 31b6e533d308a5462e528d9012d650482d974077		2 years ago
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lua	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
agg_merge.h	Add Aggregation Merge Operator (#9780)	3 years ago
backup_engine.h	Add BackupEngine feature to exclude files (#11030)	2 years ago
cache_dump_load.h	Introduce a mechanism to dump out blocks from block cache and re-insert to secondary cache (#8912)	3 years ago
checkpoint.h	clang format files under include/ (#10850)	2 years ago
convenience.h	Change RocksDB License	8 years ago
customizable_util.h	Option type info functions (#9411)	3 years ago
db_ttl.h	DBWithTTL::Open() param ttls: vector<int32_t> to const vector<int32_t>& (#7196)	4 years ago
debug.h	Add helper function to get debug type name (#10243)	2 years ago
env_mirror.h	clang format files under include/ (#10850)	2 years ago
info_log_finder.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
ldb_cmd.h	Support prepopulating/warming the blob cache (#10298)	2 years ago
ldb_cmd_execute_result.h	Fix and detect headers with missing dependencies (#8893)	3 years ago
leveldb_options.h	Move CompressionType to its own header file (#7162)	4 years ago
memory_util.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	5 years ago
object_registry.h	Added GetFactoryCount/Names/Types to ObjectRegistry (#9358)	3 years ago
optimistic_transaction_db.h	Allow range deletions in `*TransactionDB` only when safe (#7929)	4 years ago
option_change_migration.h	clang format files under include/ (#10850)	2 years ago
options_type.h	clang format files under include/ (#10850)	2 years ago
options_util.h	Fix spelling in comments in include/rocksdb/ (#8120)	4 years ago
replayer.h	Allow Replayer to report the results of TraceRecords. (#8657)	3 years ago
sim_cache.h	clang format files under include/ (#10850)	2 years ago
stackable_db.h	Basic Support for Merge with user-defined timestamp (#10819)	2 years ago
table_properties_collectors.h	Make WalFilter, SstPartitionerFactory, FileChecksumGenFactory, and TableProperties Customizable (#8638)	3 years ago
transaction.h	clang format files under include/ (#10850)	2 years ago
transaction_db.h	clang format files under include/ (#10850)	2 years ago
transaction_db_mutex.h	remove some break line (#9716)	3 years ago
write_batch_with_index.h	Add API for writing wide-column entities (#10242)	3 years ago