Githook User added a comment - Sep 12 2016 08:03:47 AM +00:00 Author: {u'username': u'michaelcahill', u'name': u'Michael Cahill', u'email': u'michael.cahill@mongodb.com'} Message: WT-2665 Limit allocator fragmentation from the WiredTiger cache (#2799) Add a statistic for the amount of cache used for page images vs other objects Reset the "maximum page size" statistic each checkpoint Add a separate queue for urgent eviction, replaces existing WOULD_BLOCK eviction mode Until now, the eviction server has had to walk the cache to find pages that would otherwise block application threads. This change allows threads to put those pages directly on a queue that is checked before ordinary LRU eviction. Don't queue pages for urgent eviction when eviction is disabled in a tree. Decouple evict_queue_lock and the individual queue's evict_lock in __evict_get_ref. Don't block the eviction server if there are many application threads waiting on a queue. Take care with the urgent queue. Entries in the urgent queue cannot be skipped or they will not be considered again. Branch: mongodb-3.2 https://github.com/wiredtiger/wiredtiger/commit/716cfbfc106f1687e5591de3ab3a74daa67ad55f

Githook User added a comment - Sep 12 2016 08:03:51 AM +00:00 Author: {u'username': u'keithbostic', u'name': u'Keith Bostic', u'email': u'keith.bostic@mongodb.com'} Message: WT-2665 Limit allocator fragmentation in WiredTiger (#2842) WT-2665 Limit allocator fragmentation from the WiredTiger cache __wt_page_evict_soon returns an error value. whitespace Don't queue root pages for LRU eviction. Some error path cleanup. Branch: mongodb-3.2 https://github.com/wiredtiger/wiredtiger/commit/2836f78be216aa291eff8a57940abbf19ffb5dfa

Githook User added a comment - Sep 12 2016 08:03:52 AM +00:00 Author: {u'username': u'keithbostic', u'name': u'Keith Bostic', u'email': u'keith.bostic@mongodb.com'} Message: WT-2665 Limit allocator fragmentation in WiredTiger (#2842) WT-2665 Limit allocator fragmentation from the WiredTiger cache __wt_page_evict_soon returns an error value. whitespace Don't queue root pages for LRU eviction. Some error path cleanup. Branch: mongodb-3.2 https://github.com/wiredtiger/wiredtiger/commit/2836f78be216aa291eff8a57940abbf19ffb5dfa

Githook User added a comment - Sep 12 2016 08:03:53 AM +00:00 Author: {u'username': u'keithbostic', u'name': u'Keith Bostic', u'email': u'keith.bostic@mongodb.com'} Message: WT-2665 Limit allocator fragmentation from the WiredTiger cache (#2844) evict_lru.c Warning 574: Signed-unsigned mix with relational evict_lru.c Info 737: Loss of sign in promotion from int to unsigned int Branch: mongodb-3.2 https://github.com/wiredtiger/wiredtiger/commit/b40932719e0361166c46f74cde55c738a8d5f5c6

Githook User added a comment - Sep 13 2016 12:37:26 AM +00:00 Author: {u'username': u'agorrod', u'name': u'Alex Gorrod', u'email': u'alexander.gorrod@mongodb.com'} Message: Import wiredtiger: 911c940adab547d36ac305fc627a79e637fa3c40 from branch mongodb-3.2 ref: dddca65..911c940ada for: 3.2.10 SERVER-24971 Excessive memory held by sessions when application threads do evictions SERVER-25843 Coverity analysis defect 99856: Redundant test SERVER-25845 Coverity analysis defect 99859: Explicit null dereferenced SERVER-25846 Coverity analysis defect 99861: Dereference after null check WT-1162 Add latency to Jenkins wtperf tests and plots WT-2026 Maximum pages size at eviction too large WT-2221 Document which statistics are available via a "fast" configuration vs. an "all" configuration WT-2233 Investigate changing when the eviction server switches to aggressive mode. WT-2239 Make sure LSM cursors read up to date dsk_gen, it was racing with compact WT-2323 Allocate a transaction id at the beginning of join cursor iteration WT-2353 Failure to create async threads as part of a wiredtiger_open call will cause a hang WT-2380 Make scripts fail if code doesn't match style WT-2486 Update make check so that it runs faster WT-2555 make format run on Windows WT-2578 remove write barriers from the TAILQ_INSERT_XXX macros 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-2648 cache-line alignment for new ports WT-2665 Limit allocator fragmentation in WiredTiger WT-2678 The metadata should not imply that an empty value is true WT-2688 configure --enable-python doesn't check for availability of swig WT-2693 Check open_cursor error paths for consistent handling WT-2695 Integrate s390x accelerated crc32c support WT-2708 split child-update race with reconciliation/eviction WT-2711 Change statistics log configuration options WT-2719 add fuzz testing for WiredTiger options and reconfiguration. WT-2728 Don't re-read log file headers during log_flush WT-2729 Focus eviction walks in largest trees WT-2730 cursor next/prev can return the wrong key/value pair when crossing a page boundary WT-2731 Raw compression can create pages that are larger than expected WT-2732 Coverity analysis defect 99665: Redundant test WT-2734 Improve documentation of eviction behavior WT-2737 Scrub dirty pages rather than evicting them WT-2738 Remove the ability to change the default checkpoint name WT-2739 pluggable file systems documentation cleanups WT-2743 Thread count statistics always report 0 WT-2744 partial line even with line buffering set WT-2746 track checkpoint I/O separately from eviction I/O WT-2751 column-store statistics incorrectly calculates the number of entries WT-2752 Fixes to zipfian wtperf workload config WT-2755 flexelint configuration treats size_t as 4B type WT-2756 Upgrade the autoconf archive package to check for swig 3.0 WT-2757 Column tables behave differently when column names are provided WT-2759 Releasing the hot-backup lock doesn't require the schema lock. WT-2760 Fix a bug in backup related to directory sync. Change the filesystem API to make durable the default WT-2762 wtstats tool fails if checkpoint runs WT-2763 Unit test test_intpack failing on OSX WT-2764 Optimize checkpoints to reduce throughput disruption WT-2765 wt dump: indices need to be shown in the dump output WT-2766 Don't count eviction of lookaside file pages for the purpose of checking stuck cache WT-2767 test suite needs way to run an individual scenario WT-2769 Update documentation to reflect correct limits of memory_page_max WT-2770 Add statistics tracking schema operations WT-2772 Investigate log performance testing weirdness WT-2773 search_near in indexes does not find exact matches WT-2774 minor cleanups/improvements WT-2778 Python test suite: make scenario initialization consistent WT-2779 Raw compression created unexpectedly large pages on disk WT-2781 Enhance bulk cursor option with an option to return immediately on contention WT-2782 Missing a fs_directory_list_free in ex_file_system.c WT-2783 wtperf multi-btree.wtperf dumps core on Mac WT-2785 Scrub dirty pages rather than evicting them: single-page reconciliation WT-2787 Include src/include/wiredtiger_ext.h is problematic WT-2788 Java: freed memory overwrite during handle close can cause JNI crash WT-2791 Enhance OS X Evergreen unit test WT-2793 wtperf config improvements WT-2795 Update documentation around read-only configuration WT-2796 Memory leak in reconciliation uncovered by stress testing WT-2798 Crash vulnerability with nojournal after create during checkpoint WT-2800 Illegal file format in test/format on PPC WT-2801 Crash vulnerability from eviction of metadata during checkpoint WT-2802 Transaction commit causes heap-use-after free WT-2803 Add verbose functionality to WT Evergreen tests WT-2804 Don't read values in a tree without a snapshot WT-2805 Infinite recursion if error streams fail WT-2806 wtperf allocation size off-by-one WT-2807 Switch Jenkins performance tests to tcmalloc WT-2811 Reconciliation asserts that transaction time has gone backwards WT-2812 Error when reconfiguring cache targets 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-2824 wtperf displays connection and table create configurations twice 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-2842 split wtperf's configuration into per-database and per-run parts 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 WT-2865 eviction thread error failure WT-2866 Eviction server algorithm tuning WT-2867 Review and fix barrier usage in __lsm_tree_close WT-2868 Add sample_interval to checkpoint-stress wtperf config WT-2869 Performance regression on secondaries WT-2870 Rename wtperf checkpoint schema jobs WT-2871 __wt_verbose has the wrong GCC format attributes WT-2872 Recent stuck cache test/stress failures. WT-2873 Refactor CRC32 code WT-2875 Test test_wt2853_perf can run too long under valgrind WT-2876 Extend wtperf to support a log like table WT-2878 Verbose changes affected performance WT-2881 Add -Wpedantic to clang compiler warning flags WT-2883 wiredtiger_open with verbose=handleops recursive loop WT-2885 __wt_checkpoint_signal lint WT-2886 Decide how in-memory configuration and eviction_dirty_target interact WT-2888 Switch functions to return void where possible WT-2892 hot backup can race with block truncate WT-2896 Coverity #1362535: resource leak WT-2897 Checkpoints can become corrupted on failure WT-2901 Add option to disable checkpoint dirty stepdown phase WT-2903 Reduce the impact of checkpoint scrubbing on applications Branch: v3.2 https://github.com/mongodb/mongo/commit/7d2acd6395ec84beca34718a75371bc11f0c9f60