Merge pull request #516 from fyrz/RocksJava-Update-Statistics-To-3.10

[RocksJava] Updated TickerTypes and Histogram to 3.10

java/src/main/java/org/rocksdb/HistogramType.java

@@ -19,13 +19,15 @@ public enum HistogramType {
   READ_BLOCK_COMPACTION_MICROS(9),
   READ_BLOCK_GET_MICROS(10),
   WRITE_RAW_BLOCK_MICROS(11),
-
   STALL_L0_SLOWDOWN_COUNT(12),
   STALL_MEMTABLE_COMPACTION_COUNT(13),
   STALL_L0_NUM_FILES_COUNT(14),
   HARD_RATE_LIMIT_DELAY_COUNT(15),
   SOFT_RATE_LIMIT_DELAY_COUNT(16),
-  NUM_FILES_IN_SINGLE_COMPACTION(17);
+  NUM_FILES_IN_SINGLE_COMPACTION(17),
+  DB_SEEK(18),
+  WRITE_STALL(19),
+  HISTOGRAM_ENUM_MAX(20);
 
   private final int value_;
 

java/src/main/java/org/rocksdb/TickerType.java

@@ -38,78 +38,93 @@ public enum TickerType {
   // # of memtable misses.
   MEMTABLE_MISS(11),
 
+  // # of Get() queries served by L0
+  GET_HIT_L0(12),
+  // # of Get() queries served by L1
+  GET_HIT_L1(13),
+  // # of Get() queries served by L2 and up
+  GET_HIT_L2_AND_UP(14),
+
   /**
    * COMPACTION_KEY_DROP_* count the reasons for key drop during compaction
    * There are 3 reasons currently.
    */
-  COMPACTION_KEY_DROP_NEWER_ENTRY(12),  // key was written with a newer value.
+  COMPACTION_KEY_DROP_NEWER_ENTRY(15),  // key was written with a newer value.
-  COMPACTION_KEY_DROP_OBSOLETE(13),     // The key is obsolete.
+  COMPACTION_KEY_DROP_OBSOLETE(16),     // The key is obsolete.
-  COMPACTION_KEY_DROP_USER(14),  // user compaction function has dropped the key.
+  COMPACTION_KEY_DROP_USER(17),  // user compaction function has dropped the key.
 
   // Number of keys written to the database via the Put and Write call's
-  NUMBER_KEYS_WRITTEN(15),
+  NUMBER_KEYS_WRITTEN(18),
   // Number of Keys read,
-  NUMBER_KEYS_READ(16),
+  NUMBER_KEYS_READ(19),
   // Number keys updated, if inplace update is enabled
-  NUMBER_KEYS_UPDATED(17),
+  NUMBER_KEYS_UPDATED(20),
   // Bytes written / read
-  BYTES_WRITTEN(18),
+  BYTES_WRITTEN(21),
-  BYTES_READ(19),
+  BYTES_READ(22),
-  NO_FILE_CLOSES(20),
+  NO_FILE_CLOSES(23),
-  NO_FILE_OPENS(21),
+  NO_FILE_OPENS(24),
-  NO_FILE_ERRORS(22),
+  NO_FILE_ERRORS(25),
   // Time system had to wait to do LO-L1 compactions
-  STALL_L0_SLOWDOWN_MICROS(23),
+  STALL_L0_SLOWDOWN_MICROS(26),
   // Time system had to wait to move memtable to L1.
-  STALL_MEMTABLE_COMPACTION_MICROS(24),
+  STALL_MEMTABLE_COMPACTION_MICROS(27),
   // write throttle because of too many files in L0
-  STALL_L0_NUM_FILES_MICROS(25),
+  STALL_L0_NUM_FILES_MICROS(28),
-  RATE_LIMIT_DELAY_MILLIS(26),
+  // Writer has to wait for compaction or flush to finish.
-  NO_ITERATORS(27),  // number of iterators currently open
+  STALL_MICROS(29),
+  // The wait time for db mutex.
+  DB_MUTEX_WAIT_MICROS(30),
+  RATE_LIMIT_DELAY_MILLIS(31),
+  NO_ITERATORS(32),  // number of iterators currently open
 
   // Number of MultiGet calls, keys read, and bytes read
-  NUMBER_MULTIGET_CALLS(28),
+  NUMBER_MULTIGET_CALLS(33),
-  NUMBER_MULTIGET_KEYS_READ(29),
+  NUMBER_MULTIGET_KEYS_READ(34),
-  NUMBER_MULTIGET_BYTES_READ(30),
+  NUMBER_MULTIGET_BYTES_READ(35),
 
   // Number of deletes records that were not required to be
   // written to storage because key does not exist
-  NUMBER_FILTERED_DELETES(31),
+  NUMBER_FILTERED_DELETES(36),
-  NUMBER_MERGE_FAILURES(32),
+  NUMBER_MERGE_FAILURES(37),
-  SEQUENCE_NUMBER(33),
+  SEQUENCE_NUMBER(38),
 
   // number of times bloom was checked before creating iterator on a
   // file, and the number of times the check was useful in avoiding
   // iterator creation (and thus likely IOPs).
-  BLOOM_FILTER_PREFIX_CHECKED(34),
+  BLOOM_FILTER_PREFIX_CHECKED(39),
-  BLOOM_FILTER_PREFIX_USEFUL(35),
+  BLOOM_FILTER_PREFIX_USEFUL(40),
 
   // Number of times we had to reseek inside an iteration to skip
   // over large number of keys with same userkey.
-  NUMBER_OF_RESEEKS_IN_ITERATION(36),
+  NUMBER_OF_RESEEKS_IN_ITERATION(41),
 
   // Record the number of calls to GetUpadtesSince. Useful to keep track of
   // transaction log iterator refreshes
-  GET_UPDATES_SINCE_CALLS(37),
+  GET_UPDATES_SINCE_CALLS(42),
-  BLOCK_CACHE_COMPRESSED_MISS(38),  // miss in the compressed block cache
+  BLOCK_CACHE_COMPRESSED_MISS(43),  // miss in the compressed block cache
-  BLOCK_CACHE_COMPRESSED_HIT(39),   // hit in the compressed block cache
+  BLOCK_CACHE_COMPRESSED_HIT(44),   // hit in the compressed block cache
-  WAL_FILE_SYNCED(40),              // Number of times WAL sync is done
+  WAL_FILE_SYNCED(45),              // Number of times WAL sync is done
-  WAL_FILE_BYTES(41),               // Number of bytes written to WAL
+  WAL_FILE_BYTES(46),               // Number of bytes written to WAL
 
   // Writes can be processed by requesting thread or by the thread at the
   // head of the writers queue.
-  WRITE_DONE_BY_SELF(42),
+  WRITE_DONE_BY_SELF(47),
-  WRITE_DONE_BY_OTHER(43),
+  WRITE_DONE_BY_OTHER(48),
-  WRITE_WITH_WAL(44),       // Number of Write calls that request WAL
+  WRITE_TIMEDOUT(49),       // Number of writes ending up with timed-out.
-  COMPACT_READ_BYTES(45),   // Bytes read during compaction
+  WRITE_WITH_WAL(50),       // Number of Write calls that request WAL
-  COMPACT_WRITE_BYTES(46),  // Bytes written during compaction
+  COMPACT_READ_BYTES(51),   // Bytes read during compaction
+  COMPACT_WRITE_BYTES(52),  // Bytes written during compaction
+  FLUSH_WRITE_BYTES(53),    // Bytes written during flush
 
   // Number of table's properties loaded directly from file, without creating
   // table reader object.
-  NUMBER_DIRECT_LOAD_TABLE_PROPERTIES(47),
+  NUMBER_DIRECT_LOAD_TABLE_PROPERTIES(54),
-  NUMBER_SUPERVERSION_ACQUIRES(48),
+  NUMBER_SUPERVERSION_ACQUIRES(55),
-  NUMBER_SUPERVERSION_RELEASES(49),
+  NUMBER_SUPERVERSION_RELEASES(56),
-  NUMBER_SUPERVERSION_CLEANUPS(50);
+  NUMBER_SUPERVERSION_CLEANUPS(57),
+  NUMBER_BLOCK_NOT_COMPRESSED(58),
+  TICKER_ENUM_MAX(59);
 
   private final int value_;