Merge branch 'develop' into split-right

Conflicts:
	src/include/wiredtiger.in

10 files changed, 131 insertions, 90 deletions

diff --git a/bench/wtperf/runners/log-append.wtperf b/bench/wtperf/runners/log-append.wtperf
new file mode 100644
index 00000000000..9d0a78e3c61
--- /dev/null
+++ b/bench/wtperf/runners/log-append.wtperf
@@ -0,0 +1,8 @@
+# wtperf options file: Test a log file with a multi-threaded
+# append workload.
+conn_config="cache_size=1G,log=(enabled=true,file_max=20MB),checkpoint=(log_size=1G)"
+table_config="type=file"
+icount=50000000
+report_interval=5
+run_time=0
+populate_threads=8
diff --git a/bench/wtperf/runners/log-nockpt.wtperf b/bench/wtperf/runners/log-nockpt.wtperf
new file mode 100644
index 00000000000..a078cead740
--- /dev/null
+++ b/bench/wtperf/runners/log-nockpt.wtperf
@@ -0,0 +1,12 @@
+# wtperf options file: Test performance with a log file enabled.
+# Set the log file reasonably small to catch log-swtich bottle
+# necks.
+conn_config="cache_size=1G,log=(enabled=true,file_max=20MB)"
+table_config="type=file"
+icount=50000
+report_interval=5
+run_time=40
+populate_threads=1
+random_range=50000000
+threads=((count=8,inserts=1))
+
diff --git a/bench/wtperf/runners/log.wtperf b/bench/wtperf/runners/log.wtperf
new file mode 100644
index 00000000000..c336c9d8a5f
--- /dev/null
+++ b/bench/wtperf/runners/log.wtperf
@@ -0,0 +1,11 @@
+# wtperf options file: Test performance with a log file enabled.
+# Set the log file reasonably small to catch log-swtich bottle
+# necks.
+conn_config="cache_size=1G,log=(enabled=true,file_max=20MB),checkpoint=(log_size=1G)"
+table_config="type=file"
+icount=50000
+report_interval=5
+run_time=120
+populate_threads=1
+random_range=50000000
+threads=((count=8,inserts=1))
diff --git a/bench/wtperf/wtperf_opt.i b/bench/wtperf/wtperf_opt.i
index 3b4ddb6b3ad..3fec9bddac9 100644
--- a/bench/wtperf/wtperf_opt.i
+++ b/bench/wtperf/wtperf_opt.i
@@ -105,7 +105,7 @@ DEF_OPT_AS_UINT32(database_count, 1,
     " threads")
 DEF_OPT_AS_UINT32(icount, 5000,
     "number of records to initially populate. If multiple tables are "
-    "configured, each table has this many items inserted.")
+    "configured the count is spread evenly across all tables.")
 DEF_OPT_AS_BOOL(insert_rmw, 0,
     "execute a read prior to each insert in workload phase")
 DEF_OPT_AS_UINT32(key_sz, 20, "key size")
diff --git a/dist/stat_data.py b/dist/stat_data.py
index 9fa1fc5b158..1e4f1b41cb9 100644
--- a/dist/stat_data.py
+++ b/dist/stat_data.py
@@ -148,6 +148,7 @@ connection_stats = [
         'maximum bytes configured', 'no_clear,no_scale'),
     CacheStat('cache_bytes_read', 'bytes read into cache'),
     CacheStat('cache_bytes_write', 'bytes written from cache'),
+    CacheStat('cache_eviction_app', 'pages evicted by application threads'),
     CacheStat('cache_eviction_clean', 'unmodified pages evicted'),
     CacheStat('cache_eviction_deepen',
         'page split during eviction deepened the tree'),
diff --git a/src/btree/bt_evict.c b/src/btree/bt_evict.c
index 2d3da44fe28..2af9f0024db 100644
--- a/src/btree/bt_evict.c
+++ b/src/btree/bt_evict.c
@@ -1266,6 +1266,9 @@ __wt_evict_lru_page(WT_SESSION_IMPL *session, int is_app)
 	WT_PAGE *page;
 	WT_REF *ref;
 
+	if (is_app)
+		WT_STAT_FAST_CONN_INCR(session, cache_eviction_app);
+
 	WT_RET(__evict_get_ref(session, is_app, &btree, &ref));
 	WT_ASSERT(session, ref->state == WT_REF_LOCKED);
 
diff --git a/src/docs/wtperf.dox b/src/docs/wtperf.dox
index f07ce13f80c..b0139286ab4 100644
--- a/src/docs/wtperf.dox
+++ b/src/docs/wtperf.dox
@@ -161,7 +161,7 @@ workload using a separate home directory and complete set of worker
 threads
 @par icount (unsigned int, default=5000)
 number of records to initially populate. If multiple tables are
-configured, each table has this many items inserted.
+configured the count is spread evenly across all tables.
 @par insert_rmw (boolean, default=false)
 execute a read prior to each insert in workload phase
 @par key_sz (unsigned int, default=20)
diff --git a/src/include/stat.h b/src/include/stat.h
index 2baf6a07be3..879394e2cc5 100644
--- a/src/include/stat.h
+++ b/src/include/stat.h
@@ -156,6 +156,7 @@ struct __wt_connection_stats {
 	WT_STATS cache_bytes_max;
 	WT_STATS cache_bytes_read;
 	WT_STATS cache_bytes_write;
+	WT_STATS cache_eviction_app;
 	WT_STATS cache_eviction_checkpoint;
 	WT_STATS cache_eviction_clean;
 	WT_STATS cache_eviction_deepen;
diff --git a/src/include/wiredtiger.in b/src/include/wiredtiger.in
index 5f77e528e49..6edbe55197e 100644
--- a/src/include/wiredtiger.in
+++ b/src/include/wiredtiger.in
@@ -3104,182 +3104,184 @@ extern int wiredtiger_extension_terminate(WT_CONNECTION *connection);
 #define	WT_STAT_CONN_CACHE_BYTES_READ			1023
 /*! cache: bytes written from cache */
 #define	WT_STAT_CONN_CACHE_BYTES_WRITE			1024
+/*! cache: pages evicted by application threads */
+#define	WT_STAT_CONN_CACHE_EVICTION_APP			1025
 /*! cache: checkpoint blocked page eviction */
-#define	WT_STAT_CONN_CACHE_EVICTION_CHECKPOINT		1025
+#define	WT_STAT_CONN_CACHE_EVICTION_CHECKPOINT		1026
 /*! cache: unmodified pages evicted */
-#define	WT_STAT_CONN_CACHE_EVICTION_CLEAN		1026
+#define	WT_STAT_CONN_CACHE_EVICTION_CLEAN		1027
 /*! cache: page split during eviction deepened the tree */
-#define	WT_STAT_CONN_CACHE_EVICTION_DEEPEN		1027
+#define	WT_STAT_CONN_CACHE_EVICTION_DEEPEN		1028
 /*! cache: modified pages evicted */
-#define	WT_STAT_CONN_CACHE_EVICTION_DIRTY		1028
+#define	WT_STAT_CONN_CACHE_EVICTION_DIRTY		1029
 /*! cache: pages selected for eviction unable to be evicted */
-#define	WT_STAT_CONN_CACHE_EVICTION_FAIL		1029
+#define	WT_STAT_CONN_CACHE_EVICTION_FAIL		1030
 /*! cache: pages evicted because they exceeded the in-memory maximum */
-#define	WT_STAT_CONN_CACHE_EVICTION_FORCE		1030
+#define	WT_STAT_CONN_CACHE_EVICTION_FORCE		1031
 /*! cache: failed eviction of pages that exceeded the in-memory maximum */
-#define	WT_STAT_CONN_CACHE_EVICTION_FORCE_FAIL		1031
+#define	WT_STAT_CONN_CACHE_EVICTION_FORCE_FAIL		1032
 /*! cache: hazard pointer blocked page eviction */
-#define	WT_STAT_CONN_CACHE_EVICTION_HAZARD		1032
+#define	WT_STAT_CONN_CACHE_EVICTION_HAZARD		1033
 /*! cache: internal pages evicted */
-#define	WT_STAT_CONN_CACHE_EVICTION_INTERNAL		1033
+#define	WT_STAT_CONN_CACHE_EVICTION_INTERNAL		1034
 /*! cache: eviction server candidate queue empty when topping up */
-#define	WT_STAT_CONN_CACHE_EVICTION_QUEUE_EMPTY		1034
+#define	WT_STAT_CONN_CACHE_EVICTION_QUEUE_EMPTY		1035
 /*! cache: eviction server candidate queue not empty when topping up */
-#define	WT_STAT_CONN_CACHE_EVICTION_QUEUE_NOT_EMPTY	1035
+#define	WT_STAT_CONN_CACHE_EVICTION_QUEUE_NOT_EMPTY	1036
 /*! cache: eviction server evicting pages */
-#define	WT_STAT_CONN_CACHE_EVICTION_SERVER_EVICTING	1036
+#define	WT_STAT_CONN_CACHE_EVICTION_SERVER_EVICTING	1037
 /*! cache: eviction server populating queue, but not evicting pages */
-#define	WT_STAT_CONN_CACHE_EVICTION_SERVER_NOT_EVICTING	1037
+#define	WT_STAT_CONN_CACHE_EVICTION_SERVER_NOT_EVICTING	1038
 /*! cache: eviction server unable to reach eviction goal */
-#define	WT_STAT_CONN_CACHE_EVICTION_SLOW		1038
+#define	WT_STAT_CONN_CACHE_EVICTION_SLOW		1039
 /*! cache: pages split during eviction */
-#define	WT_STAT_CONN_CACHE_EVICTION_SPLIT		1039
+#define	WT_STAT_CONN_CACHE_EVICTION_SPLIT		1040
 /*! cache: pages walked for eviction */
-#define	WT_STAT_CONN_CACHE_EVICTION_WALK		1040
+#define	WT_STAT_CONN_CACHE_EVICTION_WALK		1041
 /*! cache: in-memory page splits */
-#define	WT_STAT_CONN_CACHE_INMEM_SPLIT			1041
+#define	WT_STAT_CONN_CACHE_INMEM_SPLIT			1042
 /*! cache: tracked dirty pages in the cache */
-#define	WT_STAT_CONN_CACHE_PAGES_DIRTY			1042
+#define	WT_STAT_CONN_CACHE_PAGES_DIRTY			1043
 /*! cache: pages currently held in the cache */
-#define	WT_STAT_CONN_CACHE_PAGES_INUSE			1043
+#define	WT_STAT_CONN_CACHE_PAGES_INUSE			1044
 /*! cache: pages read into cache */
-#define	WT_STAT_CONN_CACHE_READ				1044
+#define	WT_STAT_CONN_CACHE_READ				1045
 /*! cache: pages written from cache */
-#define	WT_STAT_CONN_CACHE_WRITE			1045
+#define	WT_STAT_CONN_CACHE_WRITE			1046
 /*! connection: pthread mutex condition wait calls */
-#define	WT_STAT_CONN_COND_WAIT				1046
+#define	WT_STAT_CONN_COND_WAIT				1047
 /*! cursor: cursor create calls */
-#define	WT_STAT_CONN_CURSOR_CREATE			1047
+#define	WT_STAT_CONN_CURSOR_CREATE			1048
 /*! cursor: cursor insert calls */
-#define	WT_STAT_CONN_CURSOR_INSERT			1048
+#define	WT_STAT_CONN_CURSOR_INSERT			1049
 /*! cursor: cursor next calls */
-#define	WT_STAT_CONN_CURSOR_NEXT			1049
+#define	WT_STAT_CONN_CURSOR_NEXT			1050
 /*! cursor: cursor prev calls */
-#define	WT_STAT_CONN_CURSOR_PREV			1050
+#define	WT_STAT_CONN_CURSOR_PREV			1051
 /*! cursor: cursor remove calls */
-#define	WT_STAT_CONN_CURSOR_REMOVE			1051
+#define	WT_STAT_CONN_CURSOR_REMOVE			1052
 /*! cursor: cursor reset calls */
-#define	WT_STAT_CONN_CURSOR_RESET			1052
+#define	WT_STAT_CONN_CURSOR_RESET			1053
 /*! cursor: cursor search calls */
-#define	WT_STAT_CONN_CURSOR_SEARCH			1053
+#define	WT_STAT_CONN_CURSOR_SEARCH			1054
 /*! cursor: cursor search near calls */
-#define	WT_STAT_CONN_CURSOR_SEARCH_NEAR			1054
+#define	WT_STAT_CONN_CURSOR_SEARCH_NEAR			1055
 /*! cursor: cursor update calls */
-#define	WT_STAT_CONN_CURSOR_UPDATE			1055
+#define	WT_STAT_CONN_CURSOR_UPDATE			1056
 /*! data-handle: session dhandles swept */
-#define	WT_STAT_CONN_DH_SESSION_HANDLES			1056
+#define	WT_STAT_CONN_DH_SESSION_HANDLES			1057
 /*! data-handle: session sweep attempts */
-#define	WT_STAT_CONN_DH_SESSION_SWEEPS			1057
+#define	WT_STAT_CONN_DH_SESSION_SWEEPS			1058
 /*! connection: files currently open */
-#define	WT_STAT_CONN_FILE_OPEN				1058
+#define	WT_STAT_CONN_FILE_OPEN				1059
 /*! log: log buffer size increases */
-#define	WT_STAT_CONN_LOG_BUFFER_GROW			1059
+#define	WT_STAT_CONN_LOG_BUFFER_GROW			1060
 /*! log: total log buffer size */
-#define	WT_STAT_CONN_LOG_BUFFER_SIZE			1060
+#define	WT_STAT_CONN_LOG_BUFFER_SIZE			1061
 /*! log: log bytes of payload data */
-#define	WT_STAT_CONN_LOG_BYTES_PAYLOAD			1061
+#define	WT_STAT_CONN_LOG_BYTES_PAYLOAD			1062
 /*! log: log bytes written */
-#define	WT_STAT_CONN_LOG_BYTES_WRITTEN			1062
+#define	WT_STAT_CONN_LOG_BYTES_WRITTEN			1063
 /*! log: yields waiting for previous log file close */
-#define	WT_STAT_CONN_LOG_CLOSE_YIELDS			1063
+#define	WT_STAT_CONN_LOG_CLOSE_YIELDS			1064
 /*! log: maximum log file size */
-#define	WT_STAT_CONN_LOG_MAX_FILESIZE			1064
+#define	WT_STAT_CONN_LOG_MAX_FILESIZE			1065
 /*! log: log read operations */
-#define	WT_STAT_CONN_LOG_READS				1065
+#define	WT_STAT_CONN_LOG_READS				1066
 /*! log: records processed by log scan */
-#define	WT_STAT_CONN_LOG_SCAN_RECORDS			1066
+#define	WT_STAT_CONN_LOG_SCAN_RECORDS			1067
 /*! log: log scan records requiring two reads */
-#define	WT_STAT_CONN_LOG_SCAN_REREADS			1067
+#define	WT_STAT_CONN_LOG_SCAN_REREADS			1068
 /*! log: log scan operations */
-#define	WT_STAT_CONN_LOG_SCANS				1068
+#define	WT_STAT_CONN_LOG_SCANS				1069
 /*! log: consolidated slot closures */
-#define	WT_STAT_CONN_LOG_SLOT_CLOSES			1069
+#define	WT_STAT_CONN_LOG_SLOT_CLOSES			1070
 /*! log: logging bytes consolidated */
-#define	WT_STAT_CONN_LOG_SLOT_CONSOLIDATED		1070
+#define	WT_STAT_CONN_LOG_SLOT_CONSOLIDATED		1071
 /*! log: consolidated slot joins */
-#define	WT_STAT_CONN_LOG_SLOT_JOINS			1071
+#define	WT_STAT_CONN_LOG_SLOT_JOINS			1072
 /*! log: consolidated slot join races */
-#define	WT_STAT_CONN_LOG_SLOT_RACES			1072
+#define	WT_STAT_CONN_LOG_SLOT_RACES			1073
 /*! log: slots selected for switching that were unavailable */
-#define	WT_STAT_CONN_LOG_SLOT_SWITCH_FAILS		1073
+#define	WT_STAT_CONN_LOG_SLOT_SWITCH_FAILS		1074
 /*! log: record size exceeded maximum */
-#define	WT_STAT_CONN_LOG_SLOT_TOOBIG			1074
+#define	WT_STAT_CONN_LOG_SLOT_TOOBIG			1075
 /*! log: failed to find a slot large enough for record */
-#define	WT_STAT_CONN_LOG_SLOT_TOOSMALL			1075
+#define	WT_STAT_CONN_LOG_SLOT_TOOSMALL			1076
 /*! log: consolidated slot join transitions */
-#define	WT_STAT_CONN_LOG_SLOT_TRANSITIONS		1076
+#define	WT_STAT_CONN_LOG_SLOT_TRANSITIONS		1077
 /*! log: log sync operations */
-#define	WT_STAT_CONN_LOG_SYNC				1077
+#define	WT_STAT_CONN_LOG_SYNC				1078
 /*! log: log write operations */
-#define	WT_STAT_CONN_LOG_WRITES				1078
+#define	WT_STAT_CONN_LOG_WRITES				1079
 /*! LSM: sleep for LSM checkpoint throttle */
-#define	WT_STAT_CONN_LSM_CHECKPOINT_THROTTLE		1079
+#define	WT_STAT_CONN_LSM_CHECKPOINT_THROTTLE		1080
 /*! LSM: sleep for LSM merge throttle */
-#define	WT_STAT_CONN_LSM_MERGE_THROTTLE			1080
+#define	WT_STAT_CONN_LSM_MERGE_THROTTLE			1081
 /*! LSM: rows merged in an LSM tree */
-#define	WT_STAT_CONN_LSM_ROWS_MERGED			1081
+#define	WT_STAT_CONN_LSM_ROWS_MERGED			1082
 /*! LSM: application work units currently queued */
-#define	WT_STAT_CONN_LSM_WORK_QUEUE_APP			1082
+#define	WT_STAT_CONN_LSM_WORK_QUEUE_APP			1083
 /*! LSM: merge work units currently queued */
-#define	WT_STAT_CONN_LSM_WORK_QUEUE_MANAGER		1083
+#define	WT_STAT_CONN_LSM_WORK_QUEUE_MANAGER		1084
 /*! LSM: tree queue hit maximum */
-#define	WT_STAT_CONN_LSM_WORK_QUEUE_MAX			1084
+#define	WT_STAT_CONN_LSM_WORK_QUEUE_MAX			1085
 /*! LSM: switch work units currently queued */
-#define	WT_STAT_CONN_LSM_WORK_QUEUE_SWITCH		1085
+#define	WT_STAT_CONN_LSM_WORK_QUEUE_SWITCH		1086
 /*! LSM: tree maintenance operations scheduled */
-#define	WT_STAT_CONN_LSM_WORK_UNITS_CREATED		1086
+#define	WT_STAT_CONN_LSM_WORK_UNITS_CREATED		1087
 /*! LSM: tree maintenance operations discarded */
-#define	WT_STAT_CONN_LSM_WORK_UNITS_DISCARDED		1087
+#define	WT_STAT_CONN_LSM_WORK_UNITS_DISCARDED		1088
 /*! LSM: tree maintenance operations executed */
-#define	WT_STAT_CONN_LSM_WORK_UNITS_DONE		1088
+#define	WT_STAT_CONN_LSM_WORK_UNITS_DONE		1089
 /*! connection: memory allocations */
-#define	WT_STAT_CONN_MEMORY_ALLOCATION			1089
+#define	WT_STAT_CONN_MEMORY_ALLOCATION			1090
 /*! connection: memory frees */
-#define	WT_STAT_CONN_MEMORY_FREE			1090
+#define	WT_STAT_CONN_MEMORY_FREE			1091
 /*! connection: memory re-allocations */
-#define	WT_STAT_CONN_MEMORY_GROW			1091
+#define	WT_STAT_CONN_MEMORY_GROW			1092
 /*! connection: total read I/Os */
-#define	WT_STAT_CONN_READ_IO				1092
+#define	WT_STAT_CONN_READ_IO				1093
 /*! reconciliation: page reconciliation calls */
-#define	WT_STAT_CONN_REC_PAGES				1093
+#define	WT_STAT_CONN_REC_PAGES				1094
 /*! reconciliation: page reconciliation calls for eviction */
-#define	WT_STAT_CONN_REC_PAGES_EVICTION			1094
+#define	WT_STAT_CONN_REC_PAGES_EVICTION			1095
 /*! reconciliation: split bytes currently awaiting free */
-#define	WT_STAT_CONN_REC_SPLIT_STASHED_BYTES		1095
+#define	WT_STAT_CONN_REC_SPLIT_STASHED_BYTES		1096
 /*! reconciliation: split objects currently awaiting free */
-#define	WT_STAT_CONN_REC_SPLIT_STASHED_OBJECTS		1096
+#define	WT_STAT_CONN_REC_SPLIT_STASHED_OBJECTS		1097
 /*! connection: pthread mutex shared lock read-lock calls */
-#define	WT_STAT_CONN_RWLOCK_READ			1097
+#define	WT_STAT_CONN_RWLOCK_READ			1098
 /*! connection: pthread mutex shared lock write-lock calls */
-#define	WT_STAT_CONN_RWLOCK_WRITE			1098
+#define	WT_STAT_CONN_RWLOCK_WRITE			1099
 /*! session: open cursor count */
-#define	WT_STAT_CONN_SESSION_CURSOR_OPEN		1099
+#define	WT_STAT_CONN_SESSION_CURSOR_OPEN		1100
 /*! session: open session count */
-#define	WT_STAT_CONN_SESSION_OPEN			1100
+#define	WT_STAT_CONN_SESSION_OPEN			1101
 /*! transaction: transaction begins */
-#define	WT_STAT_CONN_TXN_BEGIN				1101
+#define	WT_STAT_CONN_TXN_BEGIN				1102
 /*! transaction: transaction checkpoints */
-#define	WT_STAT_CONN_TXN_CHECKPOINT			1102
+#define	WT_STAT_CONN_TXN_CHECKPOINT			1103
 /*! transaction: transaction checkpoint currently running */
-#define	WT_STAT_CONN_TXN_CHECKPOINT_RUNNING		1103
+#define	WT_STAT_CONN_TXN_CHECKPOINT_RUNNING		1104
 /*! transaction: transaction checkpoint max time (msecs) */
-#define	WT_STAT_CONN_TXN_CHECKPOINT_TIME_MAX		1104
+#define	WT_STAT_CONN_TXN_CHECKPOINT_TIME_MAX		1105
 /*! transaction: transaction checkpoint min time (msecs) */
-#define	WT_STAT_CONN_TXN_CHECKPOINT_TIME_MIN		1105
+#define	WT_STAT_CONN_TXN_CHECKPOINT_TIME_MIN		1106
 /*! transaction: transaction checkpoint most recent time (msecs) */
-#define	WT_STAT_CONN_TXN_CHECKPOINT_TIME_RECENT		1106
+#define	WT_STAT_CONN_TXN_CHECKPOINT_TIME_RECENT		1107
 /*! transaction: transaction checkpoint total time (msecs) */
-#define	WT_STAT_CONN_TXN_CHECKPOINT_TIME_TOTAL		1107
+#define	WT_STAT_CONN_TXN_CHECKPOINT_TIME_TOTAL		1108
 /*! transaction: transactions committed */
-#define	WT_STAT_CONN_TXN_COMMIT				1108
+#define	WT_STAT_CONN_TXN_COMMIT				1109
 /*! transaction: transaction failures due to cache overflow */
-#define	WT_STAT_CONN_TXN_FAIL_CACHE			1109
+#define	WT_STAT_CONN_TXN_FAIL_CACHE			1110
 /*! transaction: transaction range of IDs currently pinned */
-#define	WT_STAT_CONN_TXN_PINNED_RANGE			1110
+#define	WT_STAT_CONN_TXN_PINNED_RANGE			1111
 /*! transaction: transactions rolled back */
-#define	WT_STAT_CONN_TXN_ROLLBACK			1111
+#define	WT_STAT_CONN_TXN_ROLLBACK			1112
 /*! connection: total write I/Os */
-#define	WT_STAT_CONN_WRITE_IO				1112
+#define	WT_STAT_CONN_WRITE_IO				1113
 
 /*!
  * @}
diff --git a/src/support/stat.c b/src/support/stat.c
index c6aa4fff6a7..ac0b854c9df 100644
--- a/src/support/stat.c
+++ b/src/support/stat.c
@@ -373,6 +373,8 @@ __wt_stat_init_connection_stats(WT_CONNECTION_STATS *stats)
 	    "cache: pages currently held in the cache";
 	stats->cache_eviction_force.desc =
 	    "cache: pages evicted because they exceeded the in-memory maximum";
+	stats->cache_eviction_app.desc =
+	    "cache: pages evicted by application threads";
 	stats->cache_read.desc = "cache: pages read into cache";
 	stats->cache_eviction_fail.desc =
 	    "cache: pages selected for eviction unable to be evicted";
@@ -520,6 +522,7 @@ __wt_stat_refresh_connection_stats(void *stats_arg)
 	stats->cache_eviction_dirty.v = 0;
 	stats->cache_eviction_deepen.v = 0;
 	stats->cache_eviction_force.v = 0;
+	stats->cache_eviction_app.v = 0;
 	stats->cache_read.v = 0;
 	stats->cache_eviction_fail.v = 0;
 	stats->cache_eviction_split.v = 0;