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Andrew Kryczka faba3fb53d protect valid backup files when max_valid_backups_to_open is set 
Summary:
When `max_valid_backups_to_open` is set, the `BackupEngine` doesn't know about the files referenced by existing backups. This PR prevents us from deleting valid files when that option is set, in cases where we are unable to accurately determine refcount. There are warnings logged when we may miss deleting unreferenced files, and a recommendation in the header for users to periodically unset this option and run a full `GarbageCollect`.
Closes https://github.com/facebook/rocksdb/pull/3518

Differential Revision: D7008331

Pulled By: ajkr

fbshipit-source-id: 87907f964dc9716e229d08636a895d2fc7b72305
2018-04-05 21:13:21 -07:00
..
backupable protect valid backup files when max_valid_backups_to_open is set 2018-04-05 21:13:21 -07:00
blob_db Blob DB: blob_dump to show uncompressed values 2018-04-05 11:12:16 -07:00
cassandra Comment out unused variables 2018-03-05 13:13:41 -08:00
checkpoint Fix race condition via concurrent FlushWAL 2018-03-26 16:29:56 -07:00
compaction_filters Comment out unused variables 2018-03-05 13:13:41 -08:00
convenience Change RocksDB License 2017-07-15 16:11:23 -07:00
date_tiered WritePrepared Txn: Iterator 2017-10-09 17:15:28 -07:00
document Comment out unused variables 2018-03-05 13:13:41 -08:00
geodb Change RocksDB License 2017-07-15 16:11:23 -07:00
leveldb_options Change RocksDB License 2017-07-15 16:11:23 -07:00
lua Suppress unused warnings 2018-02-02 12:27:07 -08:00
memory Change RocksDB License 2017-07-15 16:11:23 -07:00
merge_operators Support StringAppendOperator(delimiter_char) constructor in java-api 2018-03-08 16:17:47 -08:00
option_change_migration Change RocksDB License 2017-07-15 16:11:23 -07:00
options Comment out unused variables 2018-03-05 13:13:41 -08:00
persistent_cache Comment out unused variables 2018-03-05 13:13:41 -08:00
redis Use nullptr instead of NULL / 0 more consistently. 2018-03-07 12:42:12 -08:00
simulator_cache Comment out unused variables 2018-03-05 13:13:41 -08:00
spatialdb Comment out unused variables 2018-03-05 13:13:41 -08:00
table_properties_collectors Comment out unused variables 2018-03-05 13:13:41 -08:00
transactions Make Optimistic Tx database stackable 2018-04-03 15:28:40 -07:00
ttl Comment out unused variables 2018-03-05 13:13:41 -08:00
write_batch_with_index Comment out unused variables 2018-03-05 13:13:41 -08:00
col_buf_decoder.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
col_buf_decoder.h Comment out unused variables 2018-03-05 13:13:41 -08:00
col_buf_encoder.cc fix shift UBSAN error in col_buf_encoder.cc 2018-02-20 16:44:00 -08:00
col_buf_encoder.h Change RocksDB License 2017-07-15 16:11:23 -07:00
column_aware_encoding_exp.cc fix gflags namespace 2017-12-01 10:42:05 -08:00
column_aware_encoding_test.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
column_aware_encoding_util.cc WritePrepared Txn: fix non-emptied PreparedHeap bug 2018-02-21 13:42:23 -08:00
column_aware_encoding_util.h Change RocksDB License 2017-07-15 16:11:23 -07:00
debug.cc Fix naming in InternalKey 2017-09-12 17:17:42 -07:00
env_librados.cc Suppress lint in old files 2018-01-29 12:56:42 -08:00
env_librados.md Add EnvLibrados - RocksDB Env of RADOS (#1222) 2016-07-21 11:16:34 -07:00
env_librados_test.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
env_mirror.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
env_mirror_test.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
env_timed.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
env_timed_test.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
merge_operators.h Support StringAppendOperator(delimiter_char) constructor in java-api 2018-03-08 16:17:47 -08:00
object_registry_test.cc Comment out unused variables 2018-03-05 13:13:41 -08:00
util_merge_operators_test.cc Change RocksDB License 2017-07-15 16:11:23 -07:00