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df9069d23f
rocksdb/util
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sdong df9069d23f In DB::NewIterator(), try to allocate the whole iterator tree in an arena 
Summary:
In this patch, try to allocate the whole iterator tree starting from DBIter from an arena
1. ArenaWrappedDBIter is created when serves as the entry point of an iterator tree, with an arena in it.
2. Add an option to create iterator from arena for following iterators: DBIter, MergingIterator, MemtableIterator, all mem table's iterators, all table reader's iterators and two level iterator.
3. MergeIteratorBuilder is created to incrementally build the tree of internal iterators. It is passed to mem table list and version set and add iterators to it.

Limitations:
(1) Only DB::NewIterator() without tailing uses the arena. Other cases, including readonly DB and compactions are still from malloc
(2) Two level iterator itself is allocated in arena, but not iterators inside it.

Test Plan: make all check

Reviewers: ljin, haobo

Reviewed By: haobo

Subscribers: leveldb, dhruba, yhchiang, igor

Differential Revision: https://reviews.facebook.net/D18513
2014-06-02 17:44:57 -07:00
..
arena_test.cc Arena to inline 2KB of data in it. 2014-05-14 11:49:01 -07:00
arena.cc declare kInline size in arena.cc 2014-05-14 12:40:49 -07:00
arena.h In DB::NewIterator(), try to allocate the whole iterator tree in an arena 2014-06-02 17:44:57 -07:00
auto_roll_logger_test.cc Renamed InfoLogLevel::DEBUG to InfoLogLevel::DEBUG_LEVEL 2014-04-10 15:27:42 -07:00
auto_roll_logger.cc Merge branch 'master' into columnfamilies 2014-04-02 10:48:05 -07:00
auto_roll_logger.h Renamed InfoLogLevel::DEBUG to InfoLogLevel::DEBUG_LEVEL 2014-04-10 15:27:42 -07:00
autovector_test.cc autovector::resize 2014-05-08 13:50:49 -07:00
autovector.h autovector::resize 2014-05-08 13:50:49 -07:00
benchharness_test.cc Fix unsigned and signed integer compare 2014-04-29 12:29:22 -07:00
benchharness.cc Fix more signed/unsigned comparsions 2014-04-29 12:40:18 -07:00
benchharness.h log_and_apply_bench on a new benchmark framework 2014-05-05 11:11:48 -07:00
blob_store_test.cc Move the compiler back to 4.8.1 + more small fixes 2013-11-18 11:40:16 -08:00
blob_store.cc RocksDBLite 2014-04-15 13:39:26 -07:00
blob_store.h RocksDBLite 2014-04-15 13:39:26 -07:00
bloom_test.cc Fix more gflag namespace issues 2014-05-09 08:41:02 -07:00
bloom.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
build_version.h Dont build version if compiling for IOS 2014-04-11 10:54:47 -07:00
cache_test.cc ApplyToAllCacheEntries 2014-05-02 16:24:04 -04:00
cache.cc ApplyToAllCacheEntries 2014-05-02 16:24:04 -04:00
coding_test.cc Misc cleanup on performance branch 2014-01-17 14:26:29 -08:00
coding.cc Merge branch 'master' into performance 2014-01-28 10:35:55 -08:00
coding.h Merge branch 'master' into performance 2014-01-28 10:35:55 -08:00
comparator.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
crc32c_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
crc32c.cc Dynamically choose SSE 4.2 2014-04-04 14:03:19 -07:00
crc32c.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
dynamic_bloom_test.cc dynamic_bloom: replace some divide (remainder) operations with shifts in locality mode, and other improvements 2014-06-02 17:36:38 -07:00
dynamic_bloom.cc dynamic_bloom: replace some divide (remainder) operations with shifts in locality mode, and other improvements 2014-06-02 17:36:38 -07:00
dynamic_bloom.h dynamic_bloom: replace some divide (remainder) operations with shifts in locality mode, and other improvements 2014-06-02 17:36:38 -07:00
env_hdfs.cc cleanup exception text 2014-05-21 07:54:22 -04:00
env_posix.cc ThreadID printed when Thread terminating in the same format as posix_logger 2014-05-29 11:11:08 -07:00
env_test.cc - hdfs cleanup; fix to NewDirectory to comply with definition in env.h 2014-05-21 07:50:37 -04:00
env.cc Renamed InfoLogLevel::DEBUG to InfoLogLevel::DEBUG_LEVEL 2014-04-10 15:27:42 -07:00
filelock_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
filter_policy.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
hash_cuckoo_rep.cc In DB::NewIterator(), try to allocate the whole iterator tree in an arena 2014-06-02 17:44:57 -07:00
hash_cuckoo_rep.h Pass logger to memtable rep and TLB page allocation error logged to info logs 2014-05-05 16:43:37 -07:00
hash_linklist_rep.cc In DB::NewIterator(), try to allocate the whole iterator tree in an arena 2014-06-02 17:44:57 -07:00
hash_linklist_rep.h Pass logger to memtable rep and TLB page allocation error logged to info logs 2014-05-05 16:43:37 -07:00
hash_skiplist_rep.cc In DB::NewIterator(), try to allocate the whole iterator tree in an arena 2014-06-02 17:44:57 -07:00
hash_skiplist_rep.h Pass logger to memtable rep and TLB page allocation error logged to info logs 2014-05-05 16:43:37 -07:00
hash.cc Add a hash-index component for block 2014-03-03 21:11:49 -08:00
hash.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
histogram_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
histogram.cc Statistics code cleanup 2014-01-17 12:46:06 -08:00
histogram.h Statistics code cleanup 2014-01-17 12:46:06 -08:00
ldb_cmd_execute_result.h Revert "Don't compile ldb tool into static library" 2014-04-15 11:29:02 -07:00
ldb_cmd.cc Support for adding TTL-ed column family 2014-04-28 20:34:20 -07:00
ldb_cmd.h Support for adding TTL-ed column family 2014-04-28 20:34:20 -07:00
ldb_tool.cc RocksDBLite 2014-04-15 13:39:26 -07:00
log_buffer.cc Fix data corruption by LogBuffer 2014-03-21 15:32:48 -07:00
log_buffer.h Fix errors while building with clang 2014-05-15 12:34:53 +08:00
log_write_bench.cc Fix more gflag namespace issues 2014-05-09 08:41:02 -07:00
logging.cc Clean up compaction logging 2014-05-14 12:13:50 -07:00
logging.h Clean up compaction logging 2014-05-14 12:13:50 -07:00
manual_compaction_test.cc Fix CompactRange to apply filter to every key 2014-01-14 16:19:09 -08:00
murmurhash.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
murmurhash.h Add a hash-index component for block 2014-03-03 21:11:49 -08:00
mutexlock.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
options.cc FIFO compaction style 2014-05-21 11:43:35 -07:00
perf_context_imp.h macros for perf_context 2014-04-08 10:58:07 -07:00
perf_context.cc macros for perf_context 2014-04-08 10:58:07 -07:00
posix_logger.h Renamed InfoLogLevel::DEBUG to InfoLogLevel::DEBUG_LEVEL 2014-04-10 15:27:42 -07:00
random.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
signal_test.cc Print out stack trace in mac, too 2014-04-23 09:11:35 -04:00
skiplistrep.cc In DB::NewIterator(), try to allocate the whole iterator tree in an arena 2014-06-02 17:44:57 -07:00
slice.cc FixedPrefixTransform to include prefix length in its name 2014-05-13 16:08:21 -07:00
statistics.cc convert Tickers back to array with padding and alignment 2014-01-29 15:08:41 -08:00
statistics.h cache SuperVersion in thread local storage to avoid mutex lock 2014-02-27 11:38:55 -08:00
stats_logger.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
status.cc IOError cleanup 2014-02-12 11:42:54 -08:00
stl_wrappers.h Killing Transform Rep 2013-12-03 12:42:15 -08:00
stop_watch.h Statistics code cleanup 2014-01-17 12:46:06 -08:00
string_util.cc Turn on -Wmissing-prototypes 2014-04-09 21:17:14 -07:00
string_util.h Turn on -Wmissing-prototypes 2014-04-09 21:17:14 -07:00
sync_point.cc Don't compile sync_point if NDEBUG 2014-04-17 10:49:58 -07:00
sync_point.h Fix ifdef NDEBUG 2014-04-17 14:29:28 -07:00
testharness.cc Better stack trace in MAC 2014-04-25 09:50:51 -04:00
testharness.h Print out stack trace in mac, too 2014-04-23 09:11:35 -04:00
testutil.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
testutil.h [Performance Branch] PlainTable to encode rows with seqID 0, value type using 1 internal byte. 2014-02-03 12:19:30 -08:00
thread_local_test.cc simplify ThreadLocalPtr a little bit 2014-04-22 21:13:34 -07:00
thread_local.cc simplify ThreadLocalPtr a little bit 2014-04-22 21:13:34 -07:00
thread_local.h simplify ThreadLocalPtr a little bit 2014-04-22 21:13:34 -07:00
vectorrep.cc In DB::NewIterator(), try to allocate the whole iterator tree in an arena 2014-06-02 17:44:57 -07:00
xxhash.cc xxHash 2014-05-01 14:09:32 -04:00
xxhash.h xxHash 2014-05-01 14:09:32 -04:00