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  1. WiredTiger
  2. WT-3175

New hang in internal page split

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Details

    • Bug
    • Status: Closed
    • Major - P3
    • Resolution: Fixed
    • None
    • WT2.9.2, 3.2.13, 3.4.3, 3.5.4
    • None
    • None
    • Storage 2017-02-13

    Description

      Several of our Jenkins jobs have hung, and it appears to be related to internal page splits from the call stacks. That means it's likely due to the changes in either WT-3170 or WT-3088. There have been several changes merged recently, so I opened a new ticket.

      The call stacks I see are:

            7 select,__wt_sleep,__wt_page_in_func,__wt_page_swap_func,__wt_row_search,__cursor_row_search,__wt_btcur_search,__curfile_search,worker,start_thread,clone
            4 select,__wt_sleep,__wt_writelock,__split_internal_lock,__wt_split_multi,__evict_page_dirty_update,__wt_evict,__evict_page,__wt_cache_eviction_worker,__wt_cache_eviction_check,__cursor_enter,__curfile_enter,__cursor_func_init,__wt_btcur_insert,__curfile_insert,worker,start_thread,clone
            2 select,__wt_sleep,__wt_writelock,__split_internal_lock,__wt_split_multi,__evict_page_dirty_update,__wt_evict,__evict_page,__evict_lru_pages,__wt_evict_thread_run,__wt_thread_run,start_thread,clone
            2
            1 select,__wt_sleep,__wt_page_in_func,__wt_page_swap_func,__tree_walk_internal,__wt_tree_walk,__wt_btcur_next,__curfile_next,do_range_reads,worker,start_thread,clone
            1 select,__wt_sleep,__wt_page_in_func,__split_verify_intl,__split_internal,__split_parent_climb,__wt_split_multi,__evict_page_dirty_update,__wt_evict,__evict_page,__evict_lru_pages,__wt_evict_thread_run,__wt_thread_run,start_thread,clone
            1 pthread_join,stop_threads,execute_workload,start_run,start_all_runs,main
            1 pthread_cond_timedwait@@GLIBC_2.3.2,__wt_cond_wait_signal,__wt_cond_wait,__sweep_server,start_thread,clone
            1 pthread_cond_timedwait@@GLIBC_2.3.2,__wt_cond_wait_signal,__wt_cond_wait,__statlog_server,start_thread,clone
            1 pthread_cond_timedwait@@GLIBC_2.3.2,__wt_cond_wait_signal,__wt_cond_wait,__evict_pass,__evict_server,__wt_evict_thread_run,__wt_thread_run,start_thread,clone
      

      From the Jenkins wtperf test job: http://build.wiredtiger.com:8080/job/wiredtiger-test-wtperf/2433/

      The configuration being run is:

      ./bench/wtperf/wtperf -O ../bench/wtperf/stress//btree-split-stress.wtperf -o verbose=2
      

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            michael.cahill@mongodb.com Michael Cahill
            alexander.gorrod@mongodb.com Alexander Gorrod
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            Dates

              Created:
              Updated:
              Resolved: