Added log compression stats. refs #1359.

4 files changed, 78 insertions, 64 deletions

diff --git a/dist/stat_data.py b/dist/stat_data.py
index e48f5e7e308..b2b75ced25b 100644
--- a/dist/stat_data.py
+++ b/dist/stat_data.py
@@ -196,6 +196,10 @@ connection_stats = [
     LogStat('log_bytes_payload', 'log bytes of payload data'),
     LogStat('log_bytes_written', 'log bytes written'),
     LogStat('log_close_yields', 'yields waiting for previous log file close'),
+    LogStat('log_compress_len', 'total size of compressed records'),
+    LogStat('log_compress_mem', 'total in-memory size of compressed records'),
+    LogStat('log_compress_writes', 'log records compressed'),
+    LogStat('log_compress_write_fails', 'log records not compressed'),
     LogStat('log_max_filesize', 'maximum log file size', 'no_clear,no_scale'),
     LogStat('log_prealloc_files', 'pre-allocated log files prepared'),
     LogStat('log_prealloc_max', 'number of pre-allocated log files to create'),
diff --git a/src/include/stat.h b/src/include/stat.h
index de32fb7f33b..cc42ee25d76 100644
--- a/src/include/stat.h
+++ b/src/include/stat.h
@@ -196,6 +196,10 @@ struct __wt_connection_stats {
 	WT_STATS log_bytes_payload;
 	WT_STATS log_bytes_written;
 	WT_STATS log_close_yields;
+	WT_STATS log_compress_len;
+	WT_STATS log_compress_mem;
+	WT_STATS log_compress_write_fails;
+	WT_STATS log_compress_writes;
 	WT_STATS log_max_filesize;
 	WT_STATS log_prealloc_files;
 	WT_STATS log_prealloc_max;
@@ -320,10 +324,6 @@ struct __wt_dsrc_stats {
 	WT_STATS cursor_search_near;
 	WT_STATS cursor_update;
 	WT_STATS cursor_update_bytes;
-	WT_STATS log_compress_len;
-	WT_STATS log_compress_mem;
-	WT_STATS log_compress_write;
-	WT_STATS log_compress_write_fail;
 	WT_STATS lsm_checkpoint_throttle;
 	WT_STATS lsm_chunk_count;
 	WT_STATS lsm_generation_max;
diff --git a/src/include/wiredtiger.in b/src/include/wiredtiger.in
index ba133fd1895..78a386878e6 100644
--- a/src/include/wiredtiger.in
+++ b/src/include/wiredtiger.in
@@ -3189,110 +3189,118 @@ extern int wiredtiger_extension_terminate(WT_CONNECTION *connection);
 #define	WT_STAT_CONN_LOG_BYTES_WRITTEN			1063
 /*! log: yields waiting for previous log file close */
 #define	WT_STAT_CONN_LOG_CLOSE_YIELDS			1064
+/*! log: total size of compressed records */
+#define	WT_STAT_CONN_LOG_COMPRESS_LEN			1065
+/*! log: total in-memory size of compressed records */
+#define	WT_STAT_CONN_LOG_COMPRESS_MEM			1066
+/*! log: log records not compressed */
+#define	WT_STAT_CONN_LOG_COMPRESS_WRITE_FAILS		1067
+/*! log: log records compressed */
+#define	WT_STAT_CONN_LOG_COMPRESS_WRITES		1068
 /*! log: maximum log file size */
-#define	WT_STAT_CONN_LOG_MAX_FILESIZE			1065
+#define	WT_STAT_CONN_LOG_MAX_FILESIZE			1069
 /*! log: pre-allocated log files prepared */
-#define	WT_STAT_CONN_LOG_PREALLOC_FILES			1066
+#define	WT_STAT_CONN_LOG_PREALLOC_FILES			1070
 /*! log: number of pre-allocated log files to create */
-#define	WT_STAT_CONN_LOG_PREALLOC_MAX			1067
+#define	WT_STAT_CONN_LOG_PREALLOC_MAX			1071
 /*! log: pre-allocated log files used */
-#define	WT_STAT_CONN_LOG_PREALLOC_USED			1068
+#define	WT_STAT_CONN_LOG_PREALLOC_USED			1072
 /*! log: log read operations */
-#define	WT_STAT_CONN_LOG_READS				1069
+#define	WT_STAT_CONN_LOG_READS				1073
 /*! log: records processed by log scan */
-#define	WT_STAT_CONN_LOG_SCAN_RECORDS			1070
+#define	WT_STAT_CONN_LOG_SCAN_RECORDS			1074
 /*! log: log scan records requiring two reads */
-#define	WT_STAT_CONN_LOG_SCAN_REREADS			1071
+#define	WT_STAT_CONN_LOG_SCAN_REREADS			1075
 /*! log: log scan operations */
-#define	WT_STAT_CONN_LOG_SCANS				1072
+#define	WT_STAT_CONN_LOG_SCANS				1076
 /*! log: consolidated slot closures */
-#define	WT_STAT_CONN_LOG_SLOT_CLOSES			1073
+#define	WT_STAT_CONN_LOG_SLOT_CLOSES			1077
 /*! log: logging bytes consolidated */
-#define	WT_STAT_CONN_LOG_SLOT_CONSOLIDATED		1074
+#define	WT_STAT_CONN_LOG_SLOT_CONSOLIDATED		1078
 /*! log: consolidated slot joins */
-#define	WT_STAT_CONN_LOG_SLOT_JOINS			1075
+#define	WT_STAT_CONN_LOG_SLOT_JOINS			1079
 /*! log: consolidated slot join races */
-#define	WT_STAT_CONN_LOG_SLOT_RACES			1076
+#define	WT_STAT_CONN_LOG_SLOT_RACES			1080
 /*! log: slots selected for switching that were unavailable */
-#define	WT_STAT_CONN_LOG_SLOT_SWITCH_FAILS		1077
+#define	WT_STAT_CONN_LOG_SLOT_SWITCH_FAILS		1081
 /*! log: record size exceeded maximum */
-#define	WT_STAT_CONN_LOG_SLOT_TOOBIG			1078
+#define	WT_STAT_CONN_LOG_SLOT_TOOBIG			1082
 /*! log: failed to find a slot large enough for record */
-#define	WT_STAT_CONN_LOG_SLOT_TOOSMALL			1079
+#define	WT_STAT_CONN_LOG_SLOT_TOOSMALL			1083
 /*! log: consolidated slot join transitions */
-#define	WT_STAT_CONN_LOG_SLOT_TRANSITIONS		1080
+#define	WT_STAT_CONN_LOG_SLOT_TRANSITIONS		1084
 /*! log: log sync operations */
-#define	WT_STAT_CONN_LOG_SYNC				1081
+#define	WT_STAT_CONN_LOG_SYNC				1085
 /*! log: log write operations */
-#define	WT_STAT_CONN_LOG_WRITES				1082
+#define	WT_STAT_CONN_LOG_WRITES				1086
 /*! LSM: sleep for LSM checkpoint throttle */
-#define	WT_STAT_CONN_LSM_CHECKPOINT_THROTTLE		1083
+#define	WT_STAT_CONN_LSM_CHECKPOINT_THROTTLE		1087
 /*! LSM: sleep for LSM merge throttle */
-#define	WT_STAT_CONN_LSM_MERGE_THROTTLE			1084
+#define	WT_STAT_CONN_LSM_MERGE_THROTTLE			1088
 /*! LSM: rows merged in an LSM tree */
-#define	WT_STAT_CONN_LSM_ROWS_MERGED			1085
+#define	WT_STAT_CONN_LSM_ROWS_MERGED			1089
 /*! LSM: application work units currently queued */
-#define	WT_STAT_CONN_LSM_WORK_QUEUE_APP			1086
+#define	WT_STAT_CONN_LSM_WORK_QUEUE_APP			1090
 /*! LSM: merge work units currently queued */
-#define	WT_STAT_CONN_LSM_WORK_QUEUE_MANAGER		1087
+#define	WT_STAT_CONN_LSM_WORK_QUEUE_MANAGER		1091
 /*! LSM: tree queue hit maximum */
-#define	WT_STAT_CONN_LSM_WORK_QUEUE_MAX			1088
+#define	WT_STAT_CONN_LSM_WORK_QUEUE_MAX			1092
 /*! LSM: switch work units currently queued */
-#define	WT_STAT_CONN_LSM_WORK_QUEUE_SWITCH		1089
+#define	WT_STAT_CONN_LSM_WORK_QUEUE_SWITCH		1093
 /*! LSM: tree maintenance operations scheduled */
-#define	WT_STAT_CONN_LSM_WORK_UNITS_CREATED		1090
+#define	WT_STAT_CONN_LSM_WORK_UNITS_CREATED		1094
 /*! LSM: tree maintenance operations discarded */
-#define	WT_STAT_CONN_LSM_WORK_UNITS_DISCARDED		1091
+#define	WT_STAT_CONN_LSM_WORK_UNITS_DISCARDED		1095
 /*! LSM: tree maintenance operations executed */
-#define	WT_STAT_CONN_LSM_WORK_UNITS_DONE		1092
+#define	WT_STAT_CONN_LSM_WORK_UNITS_DONE		1096
 /*! connection: memory allocations */
-#define	WT_STAT_CONN_MEMORY_ALLOCATION			1093
+#define	WT_STAT_CONN_MEMORY_ALLOCATION			1097
 /*! connection: memory frees */
-#define	WT_STAT_CONN_MEMORY_FREE			1094
+#define	WT_STAT_CONN_MEMORY_FREE			1098
 /*! connection: memory re-allocations */
-#define	WT_STAT_CONN_MEMORY_GROW			1095
+#define	WT_STAT_CONN_MEMORY_GROW			1099
 /*! connection: total read I/Os */
-#define	WT_STAT_CONN_READ_IO				1096
+#define	WT_STAT_CONN_READ_IO				1100
 /*! reconciliation: page reconciliation calls */
-#define	WT_STAT_CONN_REC_PAGES				1097
+#define	WT_STAT_CONN_REC_PAGES				1101
 /*! reconciliation: page reconciliation calls for eviction */
-#define	WT_STAT_CONN_REC_PAGES_EVICTION			1098
+#define	WT_STAT_CONN_REC_PAGES_EVICTION			1102
 /*! reconciliation: split bytes currently awaiting free */
-#define	WT_STAT_CONN_REC_SPLIT_STASHED_BYTES		1099
+#define	WT_STAT_CONN_REC_SPLIT_STASHED_BYTES		1103
 /*! reconciliation: split objects currently awaiting free */
-#define	WT_STAT_CONN_REC_SPLIT_STASHED_OBJECTS		1100
+#define	WT_STAT_CONN_REC_SPLIT_STASHED_OBJECTS		1104
 /*! connection: pthread mutex shared lock read-lock calls */
-#define	WT_STAT_CONN_RWLOCK_READ			1101
+#define	WT_STAT_CONN_RWLOCK_READ			1105
 /*! connection: pthread mutex shared lock write-lock calls */
-#define	WT_STAT_CONN_RWLOCK_WRITE			1102
+#define	WT_STAT_CONN_RWLOCK_WRITE			1106
 /*! session: open cursor count */
-#define	WT_STAT_CONN_SESSION_CURSOR_OPEN		1103
+#define	WT_STAT_CONN_SESSION_CURSOR_OPEN		1107
 /*! session: open session count */
-#define	WT_STAT_CONN_SESSION_OPEN			1104
+#define	WT_STAT_CONN_SESSION_OPEN			1108
 /*! transaction: transaction begins */
-#define	WT_STAT_CONN_TXN_BEGIN				1105
+#define	WT_STAT_CONN_TXN_BEGIN				1109
 /*! transaction: transaction checkpoints */
-#define	WT_STAT_CONN_TXN_CHECKPOINT			1106
+#define	WT_STAT_CONN_TXN_CHECKPOINT			1110
 /*! transaction: transaction checkpoint currently running */
-#define	WT_STAT_CONN_TXN_CHECKPOINT_RUNNING		1107
+#define	WT_STAT_CONN_TXN_CHECKPOINT_RUNNING		1111
 /*! transaction: transaction checkpoint max time (msecs) */
-#define	WT_STAT_CONN_TXN_CHECKPOINT_TIME_MAX		1108
+#define	WT_STAT_CONN_TXN_CHECKPOINT_TIME_MAX		1112
 /*! transaction: transaction checkpoint min time (msecs) */
-#define	WT_STAT_CONN_TXN_CHECKPOINT_TIME_MIN		1109
+#define	WT_STAT_CONN_TXN_CHECKPOINT_TIME_MIN		1113
 /*! transaction: transaction checkpoint most recent time (msecs) */
-#define	WT_STAT_CONN_TXN_CHECKPOINT_TIME_RECENT		1110
+#define	WT_STAT_CONN_TXN_CHECKPOINT_TIME_RECENT		1114
 /*! transaction: transaction checkpoint total time (msecs) */
-#define	WT_STAT_CONN_TXN_CHECKPOINT_TIME_TOTAL		1111
+#define	WT_STAT_CONN_TXN_CHECKPOINT_TIME_TOTAL		1115
 /*! transaction: transactions committed */
-#define	WT_STAT_CONN_TXN_COMMIT				1112
+#define	WT_STAT_CONN_TXN_COMMIT				1116
 /*! transaction: transaction failures due to cache overflow */
-#define	WT_STAT_CONN_TXN_FAIL_CACHE			1113
+#define	WT_STAT_CONN_TXN_FAIL_CACHE			1117
 /*! transaction: transaction range of IDs currently pinned */
-#define	WT_STAT_CONN_TXN_PINNED_RANGE			1114
+#define	WT_STAT_CONN_TXN_PINNED_RANGE			1118
 /*! transaction: transactions rolled back */
-#define	WT_STAT_CONN_TXN_ROLLBACK			1115
+#define	WT_STAT_CONN_TXN_ROLLBACK			1119
 /*! connection: total write I/Os */
-#define	WT_STAT_CONN_WRITE_IO				1116
+#define	WT_STAT_CONN_WRITE_IO				1120
 
 /*!
  * @}
diff --git a/src/support/stat.c b/src/support/stat.c
index 2b150cf29f8..0c2cd8bc6d2 100644
--- a/src/support/stat.c
+++ b/src/support/stat.c
@@ -106,14 +106,6 @@ __wt_stat_init_dsrc_stats(WT_DSRC_STATS *stats)
 	    "LSM: sleep for LSM checkpoint throttle";
 	stats->lsm_merge_throttle.desc = "LSM: sleep for LSM merge throttle";
 	stats->bloom_size.desc = "LSM: total size of bloom filters";
-	stats->log_compress_len.desc =
-	    "logging: total size of compressed records";
-	stats->log_compress_mem.desc =
-	    "logging: total in-memory size of compressed records";
-	stats->log_compress_write.desc =
-	    "logging: records compressed";
-	stats->log_compress_write_fail.desc =
-	    "logging: records not compressed";
 	stats->rec_dictionary.desc = "reconciliation: dictionary matches";
 	stats->rec_suffix_compression.desc =
 	    "reconciliation: internal page key bytes discarded using suffix compression";
@@ -429,6 +421,9 @@ __wt_stat_init_connection_stats(WT_CONNECTION_STATS *stats)
 	stats->log_bytes_payload.desc = "log: log bytes of payload data";
 	stats->log_bytes_written.desc = "log: log bytes written";
 	stats->log_reads.desc = "log: log read operations";
+	stats->log_compress_writes.desc = "log: log records compressed";
+	stats->log_compress_write_fails.desc =
+	    "log: log records not compressed";
 	stats->log_scans.desc = "log: log scan operations";
 	stats->log_scan_rereads.desc =
 	    "log: log scan records requiring two reads";
@@ -445,7 +440,10 @@ __wt_stat_init_connection_stats(WT_CONNECTION_STATS *stats)
 	stats->log_scan_records.desc = "log: records processed by log scan";
 	stats->log_slot_switch_fails.desc =
 	    "log: slots selected for switching that were unavailable";
+	stats->log_compress_mem.desc =
+	    "log: total in-memory size of compressed records";
 	stats->log_buffer_size.desc = "log: total log buffer size";
+	stats->log_compress_len.desc = "log: total size of compressed records";
 	stats->log_close_yields.desc =
 	    "log: yields waiting for previous log file close";
 	stats->lsm_work_queue_app.desc =
@@ -572,6 +570,8 @@ __wt_stat_refresh_connection_stats(void *stats_arg)
 	stats->log_bytes_payload.v = 0;
 	stats->log_bytes_written.v = 0;
 	stats->log_reads.v = 0;
+	stats->log_compress_writes.v = 0;
+	stats->log_compress_write_fails.v = 0;
 	stats->log_scans.v = 0;
 	stats->log_scan_rereads.v = 0;
 	stats->log_sync.v = 0;
@@ -583,6 +583,8 @@ __wt_stat_refresh_connection_stats(void *stats_arg)
 	stats->log_slot_toobig.v = 0;
 	stats->log_scan_records.v = 0;
 	stats->log_slot_switch_fails.v = 0;
+	stats->log_compress_mem.v = 0;
+	stats->log_compress_len.v = 0;
 	stats->log_close_yields.v = 0;
 	stats->lsm_rows_merged.v = 0;
 	stats->lsm_checkpoint_throttle.v = 0;