Import wiredtiger: 2566118fc68b0124187e806bed52eb7cdbcb1be0 from branch mongodb-3.4

ref: 34182ad..2566118fc6
for: 3.3.12

WT-2631       nullptr is passed for parameters marked with attribute non-null
WT-2638       ftruncate may not be supported
WT-2645       wt dump: push the complexity of collecting metadata into a dump cursor
WT-2678       The metadata should not imply that an empty value is true
WT-2695       Integrate s390x accelerated crc32c support
WT-2719       add fuzz testing for WiredTiger options and reconfiguration.
WT-2734       Improve documentation of eviction behavior
WT-2766       Don't count eviction of lookaside file pages for the purpose of checking stuck cache
WT-2783       wtperf multi-btree.wtperf dumps core on Mac
WT-2787       Include src/include/wiredtiger_ext.h is problematic
WT-2795       Update documentation around read-only configuration
WT-2807       Switch Jenkins performance tests to tcmalloc
WT-2813       small cache usage stuck even with large cache
WT-2814       Enhance wtperf to support single-op truncate mode
WT-2816       Improve WiredTiger eviction performance
WT-2817       Investigate performance regression in develop, add workload to wtperf/runners
WT-2818       The page visibility check when queuing pages for eviction is overly restrictive
WT-2820       add gcc warn_unused_result attribute
WT-2822       panic mutex and other functions that cannot fail
WT-2823       support file handles without a truncate method
WT-2826       clang38 false positive on uninitialized variable.
WT-2827       checkpoint log_size configuration improvements
WT-2828       Make long wtperf tests reflect mongoDB usage
WT-2829       Switch automated testing to use enable-strict configure option
WT-2832       Python test uses hard-coded temporary directory
WT-2834       Join cursor: discrepancy with bloom filters
WT-2835       WT_CONNECTION.leak-memory can skip memory map and cache cleanup
WT-2838       Don't free session handles on close if leak memory is configured
WT-2839       lint: Ignoring return value of function
WT-2840       clang analysis: garbage values
WT-2841       Jenkins Valgrind runner is reporting errors in test wt2719_reconfig
WT-2843       Fix a bug in recovery if there is no filesystem truncate support
WT-2846       Several bugs related to reconfiguring eviction server at runtime
WT-2847       Merge fair locks into read/write locks.
WT-2850       clang 4.1 attribute warnings when building
WT-2853       Multi threaded reader writer example shows temporary slowdown or lockup
WT-2857       POSIX ftruncate calls should be #ifdef'd HAVE_FTRUNCATE
WT-2862       Fix lint error in test case for forced eviction with multiple cursors
WT-2863       Support UTF-8 paths on Windows

1 files changed, 2 insertions, 0 deletions

diff --git a/src/third_party/wiredtiger/bench/wtperf/wtperf_opt.i b/src/third_party/wiredtiger/bench/wtperf/wtperf_opt.i
index f6c96febc85..f1f26bd0d01 100644
--- a/src/third_party/wiredtiger/bench/wtperf/wtperf_opt.i
+++ b/src/third_party/wiredtiger/bench/wtperf/wtperf_opt.i
@@ -194,6 +194,8 @@ DEF_OPT_AS_CONFIG_STRING(transaction_config, "",
     "transaction configuration string, relevant when populate_opts_per_txn "
     "is nonzero")
 DEF_OPT_AS_STRING(table_name, "test", "table name")
+DEF_OPT_AS_BOOL(truncate_single_ops, 0,
+    "Implement truncate via cursor remove instead of session API")
 DEF_OPT_AS_UINT32(value_sz_max, 1000,
     "maximum value size when delta updates are present. Default disabled")
 DEF_OPT_AS_UINT32(value_sz_min, 1,