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rocksdb/util
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Dhruba Borthakur 197034e4c3 An iterator may automatically invoke reseeks. 
Summary:
An iterator invokes reseek if the number of sequential skips over the
same userkey exceeds a configured number. This makes iter->Next()
faster (bacause of fewer key compares) if a large number of
adjacent internal keys in a table (sst or memtable) have the
same userkey.

Test Plan: Unit test DBTest.IterReseek.

Reviewers: emayanke, haobo, xjin

Reviewed By: xjin

CC: leveldb, xjin

Differential Revision: https://reviews.facebook.net/D11865
2013-09-06 11:50:53 -07:00
..
arena_impl.cc Make arena block size configurable 2013-07-31 12:42:23 -07:00
arena_impl.h Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
arena_test.cc Make arena block size configurable 2013-07-31 12:42:23 -07:00
auto_roll_logger.cc [RocksDB] Fix PosixLogger and AutoRollLogger thread safety 2013-05-21 11:39:44 -07:00
auto_roll_logger.h [RocksDB] Fix PosixLogger and AutoRollLogger thread safety 2013-05-21 11:39:44 -07:00
auto_roll_logger_test.cc Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
bit_set.h [Rocksdb] Implement filluniquerandom 2013-06-14 16:17:56 -07:00
bloom.cc Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
bloom_test.cc Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
build_version.h Stop continually re-creating build_version.c 2013-01-24 17:51:39 -08:00
cache.cc Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
cache_test.cc Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
coding.cc Add three new MemTableRep's 2013-08-22 23:10:02 -07:00
coding.h Add three new MemTableRep's 2013-08-22 23:10:02 -07:00
coding_test.cc Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
comparator.cc Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
crc32c.cc Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
crc32c.h A number of fixes: 2011-10-31 17:22:06 +00:00
crc32c_test.cc Fix all warnings generated by -Wall option to the compiler. 2012-11-06 14:07:31 -08:00
env.cc Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
env_hdfs.cc Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
env_posix.cc Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
env_test.cc Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
filelock_test.cc Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
filter_policy.cc Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
hash.cc A number of fixes: 2011-10-31 17:22:06 +00:00
hash.h reverting disastrous MOE commit, returning to r21 2011-04-19 23:11:15 +00:00
histogram.cc [Rocksdb] Remove unused double apis to record into histograms 2013-05-16 10:40:30 -07:00
histogram.h Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
histogram_test.cc Introduce histogram in statistics.h 2013-02-20 10:43:32 -08:00
ldb_cmd.cc New ldb command to convert compaction style 2013-09-04 13:13:08 -07:00
ldb_cmd.h New ldb command to convert compaction style 2013-09-04 13:13:08 -07:00
ldb_cmd_execute_result.h Enhanced ldb to support data access commands 2013-01-28 11:38:26 -08:00
ldb_tool.cc New ldb command to convert compaction style 2013-09-04 13:13:08 -07:00
logging.cc Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
logging.h A number of fixes: 2011-10-31 17:22:06 +00:00
manual_compaction_test.cc Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
murmurhash.cc Implement RowLocks for assoc schema 2012-10-03 23:19:01 -07:00
murmurhash.h Implement RowLocks for assoc schema 2012-10-03 23:19:01 -07:00
mutexlock.h Implement ReadWrite locks for leveldb 2012-10-01 22:37:39 -07:00
options.cc An iterator may automatically invoke reseeks. 2013-09-06 11:50:53 -07:00
posix_logger.h Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
random.h [RocksDB] Include 64bit random number generator 2013-06-04 13:52:27 -07:00
signal_test.cc [RocksDB] fix build 2013-04-20 10:26:51 -07:00
skiplistrep.cc Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
slice.cc Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
stack_trace.h [RocksDB] Add stacktrace signal handler 2013-04-20 10:26:50 -07:00
statistics.cc Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
stats_logger.h Clean up compiler warnings generated by -Wall option. 2012-08-29 14:24:51 -07:00
status.cc Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
stl_wrappers.h Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
stop_watch.h Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
string_util.cc Ability to set different size fanout multipliers for every level. 2013-05-21 13:50:20 -07:00
string_util.h Ability to set different size fanout multipliers for every level. 2013-05-21 13:50:20 -07:00
testharness.cc Codemod NULL to nullptr 2013-02-28 18:04:58 -08:00
testharness.h Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
testutil.cc Fix all warnings generated by -Wall option to the compiler. 2012-11-06 14:07:31 -08:00
testutil.h Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00
transformrep.cc Fix memory leak 2013-08-23 15:39:49 -07:00
vectorrep.cc Replace include/leveldb with include/rocksdb. 2013-08-23 10:51:00 -07:00