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

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Dhruba Borthakur e5fe80e4e3 The sharding of the block cache is limited to 2*20 pieces. ... Summary: The numbers of shards that the block cache is divided into is configurable. However, if the user specifies that he/she wants the block cache to be divided into more than 2**20 pieces, then the system will rey to allocate a huge array of that size) that could fail. It is better to limit the sharding of the block cache to an upper bound. The default sharding is 16 shards (i.e. 2**4) and the maximum is now 2 million shards (i.e. 2**20). Also, fixed a bug with the LRUCache where the numShardBits should be a private member of the LRUCache object rather than a static variable. Test Plan: run db_bench with --cache_numshardbits=64. Task ID: # Blame Rev: Reviewers: heyongqiang Reviewed By: heyongqiang Differential Revision: https://reviews.facebook.net/D5013		12 years ago
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arena.cc	A number of fixes:	13 years ago
arena.h	A number of fixes:	13 years ago
arena_test.cc	A number of fixes:	13 years ago
bloom.cc	bits_per_key is already configurable. It defines how many bloom bits will be used for every key in the database.	12 years ago
bloom_test.cc	Added bloom filter support.	12 years ago
build_version.h	Record the version of the source repository that was used to build the leveldb library.	12 years ago
cache.cc	The sharding of the block cache is limited to 2*20 pieces.	12 years ago
cache_test.cc	A number of fixes:	13 years ago
coding.cc	A number of fixes:	13 years ago
coding.h	A number of fixes:	13 years ago
coding_test.cc	merge 1.5	12 years ago
comparator.cc	merge 1.5	12 years ago
crc32c.cc	SSE4 optimization	12 years ago
crc32c.h	A number of fixes:	13 years ago
crc32c_test.cc	A number of fixes:	13 years ago
env.cc	fixed issues 66 (leaking files on disk error) and 68 (no sync of CURRENT file)	13 years ago
env_hdfs.cc	Make Leveldb save data into HDFS files. You have to set USE_HDFS in your environment variable to compile leveldb with HDFS support.	12 years ago
env_posix.cc	Introduce a new method Env->Fsync() that issues fsync (instead of fdatasync).	12 years ago
env_test.cc	fixed issues 66 (leaking files on disk error) and 68 (no sync of CURRENT file)	13 years ago
filelock_test.cc	Prevent concurrent multiple opens of leveldb database.	12 years ago
filter_policy.cc	Added bloom filter support.	12 years ago
hash.cc	A number of fixes:	13 years ago
hash.h	reverting disastrous MOE commit, returning to r21	13 years ago
histogram.cc	A number of fixes:	13 years ago
histogram.h	A number of fixes:	13 years ago
logging.cc	A number of fixes:	13 years ago
logging.h	A number of fixes:	13 years ago
mutexlock.h	A number of fixes:	13 years ago
options.cc	Introduce a new method Env->Fsync() that issues fsync (instead of fdatasync).	12 years ago
posix_logger.h	A number of fixes:	13 years ago
random.h	A number of fixes:	13 years ago
stats_logger.h	adding a scribe logger in leveldb to log leveldb deploy stats	12 years ago
status.cc	A number of fixes:	13 years ago
testharness.cc	A number of fixes:	13 years ago
testharness.h	A number of fixes:	13 years ago
testutil.cc	A number of fixes:	13 years ago
testutil.h	A number of fixes:	13 years ago