Details
Major - P3 Description
There have been a few very long running test/format jobs recently, a common configuration is:
timing_stress_split_9=1
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I attached in a debugger and the job is here:
(gdb) where
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#0 0x00007f50cfc367a3 in select () from /lib64/libc.so.6
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#1 0x000000000045b147 in __wt_sleep (seconds=0, micro_seconds=13340) at ../src/os_posix/os_sleep.c:32
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#2 0x000000000050deb8 in __wt_timing_stress (session=0x7f50d13281b0, flag=1024)
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at ../src/include/misc.i:272
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#3 0x0000000000510886 in __wt_row_search (session=0x7f50d13281b0, srch_key=0x2248f50, leaf=0x0,
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cbt=0x2248e50, insert=false, restore=false) at ../src/btree/row_srch.c:435
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#4 0x00000000005965c3 in __cursor_row_search (session=0x7f50d13281b0, cbt=0x2248e50, leaf=0x0,
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insert=false) at ../src/btree/bt_cursor.c:385
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#5 0x0000000000596c2e in __wt_btcur_search (cbt=0x2248e50) at ../src/btree/bt_cursor.c:530
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#6 0x000000000052f07c in __curfile_search (cursor=0x2248e50) at ../src/cursor/cur_file.c:200
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#7 0x000000000040a07c in read_row_worker (cursor=0x2248e50, keyno=613197, key=0x7ffc6730f190,
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value=0x7ffc6730f160, sn=false) at ../../../test/format/ops.c:1252
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#8 0x0000000000409eee in wts_read_scan () at ../../../test/format/ops.c:1202
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#9 0x000000000040d89c in main (argc=4, argv=0x7ffc6730f398) at ../../../test/format/t.c:207
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(gdb) f 8
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#8 0x0000000000409eee in wts_read_scan () at ../../../test/format/ops.c:1202
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1202 switch (ret = read_row_worker(
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(gdb) p keyno
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$14 = 613197
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(gdb) p g.key_cnt
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$11 = 1000000
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After about 21 hours.
The long running job showing characteristics above:
http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress/67017/