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anand1976 d394a6bb48 Add a ticker stat for number of keys skipped during iteration 
Summary:
This diff adds a new ticker stat, NUMBER_ITER_SKIP, to count the
number of internal keys skipped during iteration. Keys can be skipped
due to deletes, or lower sequence number, or higher sequence number
than the one requested.

Also, fix the issue when StatisticsData is naturally aligned on cacheline boundary,
padding becomes a zero size array, which the Windows compiler doesn't
like. So add a cacheline worth of padding in that case to keep it happy.
We cannot conditionally add padding as gcc doesn't allow using sizeof
in preprocessor directives.
Closes https://github.com/facebook/rocksdb/pull/3177

Differential Revision: D6353897

Pulled By: anand1976

fbshipit-source-id: 441d5a09af9c4e22e7355242dfc0c7b27aa0a6c2
2017-11-20 21:26:37 -08:00
..
backupablejni.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
backupenginejni.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
cassandra_compactionfilterjni.cc collecting kValue type tombstone 2017-09-18 16:27:12 -07:00
cassandra_value_operator.cc Limit number of merge operands in Cassandra merge operator 2017-10-02 16:11:40 -07:00
checkpoint.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
clock_cache.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
columnfamilyhandle.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
compaction_filter_factory_jnicallback.cc Added CompactionFilterFactory support to RocksJava 2017-10-12 11:12:16 -07:00
compaction_filter_factory_jnicallback.h Added CompactionFilterFactory support to RocksJava 2017-10-12 11:12:16 -07:00
compaction_filter_factory.cc Added CompactionFilterFactory support to RocksJava 2017-10-12 11:12:16 -07:00
compaction_filter.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
compaction_options_fifo.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
compaction_options_universal.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
comparator.cc Added CompactionFilterFactory support to RocksJava 2017-10-12 11:12:16 -07:00
comparatorjnicallback.cc Added CompactionFilterFactory support to RocksJava 2017-10-12 11:12:16 -07:00
comparatorjnicallback.h Added CompactionFilterFactory support to RocksJava 2017-10-12 11:12:16 -07:00
compression_options.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
env_options.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
env.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
filter.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
ingest_external_file_options.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
iterator.cc Add iterator's SeekForPrev functionality to the java-api 2017-09-12 10:56:29 -07:00
jnicallback.cc Added CompactionFilterFactory support to RocksJava 2017-10-12 11:12:16 -07:00
jnicallback.h Added CompactionFilterFactory support to RocksJava 2017-10-12 11:12:16 -07:00
loggerjnicallback.cc Added CompactionFilterFactory support to RocksJava 2017-10-12 11:12:16 -07:00
loggerjnicallback.h Added CompactionFilterFactory support to RocksJava 2017-10-12 11:12:16 -07:00
lru_cache.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
memtablejni.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
merge_operator.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
options_util.cc Expose LoadLatestOptions, LoadOptionsFromFile and GetLatestOptionsFileName APIs in RocksJava 2017-09-21 17:29:13 -07:00
options.cc Added CompactionFilterFactory support to RocksJava 2017-10-12 11:12:16 -07:00
portal.h Add a ticker stat for number of keys skipped during iteration 2017-11-20 21:26:37 -08:00
ratelimiterjni.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
remove_emptyvalue_compactionfilterjni.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
restorejni.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
rocks_callback_object.cc Added CompactionFilterFactory support to RocksJava 2017-10-12 11:12:16 -07:00
rocksdb_exception_test.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
rocksjni.cc DestroyDB API 2017-09-26 16:42:11 -07:00
slice.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
snapshot.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
sst_file_writerjni.cc Added CompactionFilterFactory support to RocksJava 2017-10-12 11:12:16 -07:00
statistics.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
statisticsjni.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
statisticsjni.h Change RocksDB License 2017-07-15 16:11:23 -07:00
table.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
transaction_log.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
ttl.cc Change RocksDB License 2017-07-15 16:11:23 -07:00
write_batch_test.cc Gcc 7 ParsedInternalKey replace memset with clear function. 2017-07-24 11:31:15 -07:00
write_batch_with_index.cc Added CompactionFilterFactory support to RocksJava 2017-10-12 11:12:16 -07:00
write_batch.cc Added CompactionFilterFactory support to RocksJava 2017-10-12 11:12:16 -07:00
writebatchhandlerjnicallback.cc Added CompactionFilterFactory support to RocksJava 2017-10-12 11:12:16 -07:00
writebatchhandlerjnicallback.h Added CompactionFilterFactory support to RocksJava 2017-10-12 11:12:16 -07:00