LevelDB_TTL_

小组成员：姚凯文（kevinyao0901），姜嘉琪

Vēsture

tzik 359b6bcec2 Add leveldb::Cache::Prune Prune() drops on-memory read cache of the database, so that the client can relief its memory shortage. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=101335710		pirms 9 gadiem
..
c.h	Release LevelDB 1.16	pirms 10 gadiem
cache.h	Add leveldb::Cache::Prune	pirms 9 gadiem
comparator.h	A number of fixes:	pirms 13 gadiem
db.h	Release 1.18	pirms 10 gadiem
dumpfile.h	Release 1.18	pirms 10 gadiem
env.h	LevelDB now attempts to reuse the preceding MANIFEST and log file when re-opened.	pirms 9 gadiem
filter_policy.h	Added bloom filter support.	pirms 12 gadiem
iterator.h	Fixed incorrect comment wording for Iterator::Seek.	pirms 10 gadiem
options.h	LevelDB now attempts to reuse the preceding MANIFEST and log file when re-opened.	pirms 9 gadiem
slice.h	Release LevelDB 1.17	pirms 10 gadiem
status.h	Added leveldb::Status::IsInvalidArgument() method.	pirms 9 gadiem
table.h	Added bloom filter support.	pirms 12 gadiem
table_builder.h	Added bloom filter support.	pirms 12 gadiem
write_batch.h	A number of fixes:	pirms 13 gadiem