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  • about greenplum collection tool

    three collection tool for greenplum:pstack、strace、gcore.         
                                                                              
    [gpadmin@gtlions5913 ~]$ ps -ef | grep postgres|grep data|grep master|grep -v grep
    gpadmin   3653     1  0 May21 ?        00:00:00 /usr/local/greenplum-db-4.2.5.2/bin/postgres -D /data/master/gpseg-1 -p 5432 -b 1 -z 2 --silent-mode=true -i -M master -C -1 -x 0 -E
    [gpadmin@gtlions5913 ~]$ pstack 3653
    #0  0x00000034104ce183 in __select_nocancel () from /lib64/libc.so.6
    #1  0x000000000087a63b in PostmasterMain ()
    #2  0x000000000077ff3a in main ()
    Copy the output to a file,or usage: pstack 3653 >pstack-gp.txt .


    [gpadmin@gtlions5913 ~]$ strace -p 3653
    Process 3653 attached - interrupt to quit
    select(5, [3 4], NULL, NULL, {7, 897000}) = 0 (Timeout)
    rt_sigprocmask(SIG_SETMASK, ~[ILL TRAP ABRT BUS FPE SEGV CONT SYS RTMIN RT_1], NULL, 8) = 0
    rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
    select(5, [3 4], NULL, NULL, {60, 0} <unfinished ...>
    Process 3653 detached
    You must hole for at least 30 seconds and use "ctrl+c" to terminate. Copy the output to a file.


    [gpadmin@gtlions5913 ~]$ gcore 3653
    'import site' failed; use -v for traceback
    Traceback (most recent call last):
      File "<string>", line 27, in ?
    ImportError: No module named os.path
    [Thread debugging using libthread_db enabled]
    warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7fffea126000
    0x00000034104ce183 in __select_nocancel () from /lib64/libc.so.6
    Saved corefile core.3653
    -EOF-

    版权声明:本文博主原创文章,博客,未经同意不得转载。

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  • 原文地址:https://www.cnblogs.com/bhlsheji/p/4853580.html
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