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cpanel --json-fast-connect --stdin (HI IO usage)

Discussion in 'General Discussion' started by Oleg.Gricik, Nov 17, 2011.

  1. Oleg.Gricik

    Oleg.Gricik Well-Known Member

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    Hi

    According to iotop cpanel --json-fast-connect --stdin causes hi io usage:
    ----
    Total DISK READ: 10.47 M/s | Total DISK WRITE: 7.43 M/s
    TID PRIO USER DISK READ DISK WRITE SWAPIN IO> COMMAND
    10754 be/3 root 0.00 B/s 0.00 B/s -1454831702899.70 % 99.99 % [rpciod/9]
    698437 be/4 smithbro 15.77 K/s 0.00 B/s 0.00 % 99.99 % php /home/smithbro/public_html/index.php
    634882 be/4 mysql 22.08 K/s 66.25 K/s 0.00 % 99.99 % mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql --pid-file=/var/lib/mysql/server13.websitehostserver.net.pid --skip-external-locking
    441103 be/4 mysql 479.51 K/s 0.00 B/s 0.00 % 99.99 % mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql --pid-file=/var/lib/mysql/server13.websitehostserver.net.pid --skip-external-locking
    8480 be/0 root 25.24 K/s 0.00 B/s 0.00 % 99.99 % [loop0]
    701084 be/4 receptiv 217.67 K/s 0.00 B/s 0.00 % 99.99 % php /home/receptiv/public_html/index.php
    636971 be/4 mysql 649.86 K/s 0.00 B/s 0.00 % 99.36 % mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql --pid-file=/var/lib/mysql/server13.websitehostserver.net.pid --skip-external-locking
    686874 be/4 mysql 1331.27 K/s 0.00 B/s 0.00 % 98.72 % mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql --pid-file=/var/lib/mysql/server13.websitehostserver.net.pid --skip-external-locking
    701210 be/4 ponyapps 126.19 K/s 0.00 B/s 0.00 % 94.92 % php /home/ponyapps/public_html/ponypic.com/index.php
    693079 be/4 mumsiesg 4.61 M/s 6.81 M/s 0.00 % 94.53 % cpanel --json-fast-connect --stdin
    391410 be/4 centenni 110.41 K/s 6.31 K/s 0.00 % 93.71 % spamd child
    ----
    What is this?

    Thank you.
    Oleg
     
  2. cPanelMichael

    cPanelMichael Forums Analyst
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  3. Oleg.Gricik

    Oleg.Gricik Well-Known Member

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  4. cPanelMichael

    cPanelMichael Forums Analyst
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    Long running JSON initiated processes appear in the process table. EX:

    Code:
    22410 ?        D      0:03 /usr/local/cpanel/cpanel --json-fast-connect --stdin
    It's likely there is a third-party application installed on your system that uses API to interact with cPanel.

    Thank you.
     
  5. Oleg.Gricik

    Oleg.Gricik Well-Known Member

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    Hi

    Can you provide me with some clarifications?
    What does this process do?
    Is there some documentation?

    Thank you
    Kind Regards
    Oleg Gricik
     
  6. cPanelTristan

    cPanelTristan Quality Assurance Analyst
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    If the process is still running, you can check the lsof on the process to see what it is doing:

    Code:
    lsof -p PID#
    Where PID# is the PID number of the process.

    You might also cat the environmental details provided there are any available:

    Code:
    cat /proc/PID#/environ
    Again, replace PID# with the PID of the process.
     
  7. Oleg.Gricik

    Oleg.Gricik Well-Known Member

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    Hi

    =)
    lsof -p will show me a list of libraries.
    In most cases it shows / as the NAME.
    Ok,no problem.
    This process has disappeared.

    Thank you for your updates.

    Kind Regards
    Oleg Gricik
     
  8. Sannin

    Sannin Active Member

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    Sorry for this thread necromancy.

    I faced the same issue some days ago. The same process cause a huge IO wait in my server. In my case that process was created when a user tried to move 20 Gbs of data using cpanel' s file manager. I use cloudlinux but unfortunately it doesn' t limit cpanel processes.
     
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