Cheng Chang ee50b8d499 Be able to decrease background thread's CPU priority when creating database backup (#6602) ... Summary: When creating a database backup, the background threads will not only consume IO resources by copying files, but also consuming CPU such as by computing checksums. During peak times, the CPU consumption by the background threads might affect online queries. This PR makes it possible to decrease CPU priority of these threads when creating a new backup. Pull Request resolved: https://github.com/facebook/rocksdb/pull/6602 Test Plan: make check Reviewed By: siying, zhichao-cao Differential Revision: D20683216 Pulled By: cheng-chang fbshipit-source-id: 9978b9ed9488e8ce135e90ca083e5b4b7221fd84		2020-03-28 19:07:25 -07:00
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backupable	Be able to decrease background thread's CPU priority when creating database backup (#6602)	2020-03-28 19:07:25 -07:00
blob_db	Support direct IO in RandomAccessFileReader::MultiRead (#6446)	2020-03-20 16:33:26 -07:00
cassandra	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	2020-02-20 12:09:57 -08:00
checkpoint	Optional sequence number exporting during checkpoint creation (#5528)	2020-03-10 13:40:18 -07:00
compaction_filters	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	2020-02-20 12:09:57 -08:00
convenience	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	2020-02-20 12:09:57 -08:00
leveldb_options	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	2020-02-20 12:09:57 -08:00
memory	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	2020-02-20 12:09:57 -08:00
merge_operators	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	2020-02-20 12:09:57 -08:00
option_change_migration	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	2020-02-20 12:09:57 -08:00
options	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	2020-02-20 12:09:57 -08:00
persistent_cache	Streamline persistent_cache_test for testing efficiency (#6601)	2020-03-26 19:36:32 -07:00
simulator_cache	Use function objects as deleters in the block cache (#6545)	2020-03-26 16:19:58 -07:00
table_properties_collectors	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	2020-02-20 12:09:57 -08:00
trace	Remove memcpy from RandomAccessFileReader::Read in direct IO mode (#6455)	2020-03-06 14:05:12 -08:00
transactions	Refactor IsLockExpired (#6586)	2020-03-27 16:14:22 -07:00
ttl	Iterator with timestamp (#6255)	2020-03-06 16:24:27 -08:00
write_batch_with_index	multiget support for timestamps (#6483)	2020-03-24 11:24:09 -07:00
debug.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	2020-02-20 12:09:57 -08:00
env_librados_test.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	2020-02-20 12:09:57 -08:00
env_librados.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	2020-02-20 12:09:57 -08:00
env_librados.md	Add EnvLibrados - RocksDB Env of RADOS (#1222)	2016-07-21 11:16:34 -07:00
env_mirror_test.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	2020-02-20 12:09:57 -08:00
env_mirror.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	2020-02-20 12:09:57 -08:00
env_timed_test.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	2020-02-20 12:09:57 -08:00
env_timed.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	2020-02-20 12:09:57 -08:00
merge_operators.h	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	2020-02-20 12:09:57 -08:00
object_registry_test.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	2020-02-20 12:09:57 -08:00
object_registry.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	2020-02-20 12:09:57 -08:00
util_merge_operators_test.cc	Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433)	2020-02-20 12:09:57 -08:00