Import wiredtiger: 74430da40c96247c0a0d92f011ccfb2b175f1f32 from branch mongodb-3.4

ref: ef9a7983ea..74430da40c
for: 3.4.0

SERVER-26753  Minor speed regression (13%) and 'choppy' performance in 3.4 vs 3.2
WT-2415       Add option for join cursors to return false positives
WT-2945       Occasional hang running reconfigure fuzz test
WT-2947       test suite populate functions need refactoring
WT-2953       Test format failure - stuck cache with 1/42MB dirty
WT-2961       Add a version drop-down to the web version of the docs
WT-2964       WTPERF parallel-pop-btree hung in populate phase
WT-2968       backup cursor opens every file
WT-2971       Add documentation for raw compression to the WT docs
WT-2975       Reduce the memory allocated for statistics
WT-2991       Coverity issue 1365198
WT-2998       Add error messages to error returns that might be confusing.
WT-2999       Memory leak in join WT_CURSOR with custom extractor
WT-3001       WT_EXTENSION_API references are named inconsistently.
WT-3003       log generation should not auto generate the record and op types
WT-3005       Add top-level .gitignore file.
WT-3007       Remove duplicated word in comment
WT-3008       Run wtperf stress testing against all maintained branches
WT-3009       Test format hung/aborted with small cache (sub 10mB)

1 files changed, 28 insertions, 4 deletions

diff --git a/src/third_party/wiredtiger/src/support/stat.c b/src/third_party/wiredtiger/src/support/stat.c
index 6e8e218a0db..5acd9fc713f 100644
--- a/src/third_party/wiredtiger/src/support/stat.c
+++ b/src/third_party/wiredtiger/src/support/stat.c
@@ -138,15 +138,27 @@ __wt_stat_dsrc_init_single(WT_DSRC_STATS *stats)
 	memset(stats, 0, sizeof(*stats));
 }
 
-void
-__wt_stat_dsrc_init(WT_DATA_HANDLE *handle)
+int
+__wt_stat_dsrc_init(
+    WT_SESSION_IMPL *session, WT_DATA_HANDLE *handle)
 {
 	int i;
 
+	WT_RET(__wt_calloc(session, (size_t)WT_COUNTER_SLOTS,
+	    sizeof(*handle->stat_array), &handle->stat_array));
+
 	for (i = 0; i < WT_COUNTER_SLOTS; ++i) {
 		handle->stats[i] = &handle->stat_array[i];
 		__wt_stat_dsrc_init_single(handle->stats[i]);
 	}
+	return (0);
+}
+
+void
+__wt_stat_dsrc_discard(
+    WT_SESSION_IMPL *session, WT_DATA_HANDLE *handle)
+{
+	__wt_free(session, handle->stat_array);
 }
 
 void
@@ -860,15 +872,27 @@ __wt_stat_connection_init_single(WT_CONNECTION_STATS *stats)
 	memset(stats, 0, sizeof(*stats));
 }
 
-void
-__wt_stat_connection_init(WT_CONNECTION_IMPL *handle)
+int
+__wt_stat_connection_init(
+    WT_SESSION_IMPL *session, WT_CONNECTION_IMPL *handle)
 {
 	int i;
 
+	WT_RET(__wt_calloc(session, (size_t)WT_COUNTER_SLOTS,
+	    sizeof(*handle->stat_array), &handle->stat_array));
+
 	for (i = 0; i < WT_COUNTER_SLOTS; ++i) {
 		handle->stats[i] = &handle->stat_array[i];
 		__wt_stat_connection_init_single(handle->stats[i]);
 	}
+	return (0);
+}
+
+void
+__wt_stat_connection_discard(
+    WT_SESSION_IMPL *session, WT_CONNECTION_IMPL *handle)
+{
+	__wt_free(session, handle->stat_array);
 }
 
 void