[Solved]lsof returns thousands of open files

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Labsy
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[Solved]lsof returns thousands of open files

Post by Labsy »

Hi,
I might be really knob, but is it normal that ZCS 8.8.6 returns over 50.000 open files when you run lsof like this:

Code: Select all

lsof
COMMAND     PID   TID       USER   FD      TYPE             DEVICE    SIZE/OFF       NODE NAME
mysqld     2666  2701     zimbra   78uW     REG                8,1       98304   23597031 /opt/zimbra/db/data/mboxgroup10/purged_messages.ibd
mysqld     2666  2701     zimbra   79uW     REG                8,1      114688   23594230 /opt/zimbra/db/data/mboxgroup10/tag.ibd
mysqld     2666  2701     zimbra   80uW     REG                8,1      114688   23594234 /opt/zimbra/db/data/mboxgroup10/tombstone.ibd
mysqld     2666  2701     zimbra   81uW     REG                8,1      131072   23594238 /opt/zimbra/db/data/mboxgroup100/appointment_dumpster.ibd
mysqld     2666  2701     zimbra   82uW     REG                8,1      114688   23594240 /opt/zimbra/db/data/mboxgroup100/data_source_item.ibd
mysqld     2666  2701     zimbra   83uW     REG                8,1      131072   23594243 /opt/zimbra/db/data/mboxgroup100/imap_folder.ibd
mysqld     2666  2701     zimbra   84uW     REG                8,1      114688   23594245 /opt/zimbra/db/data/mboxgroup100/imap_message.ibd
mysqld     2666  2701     zimbra   85uW     REG                8,1     9437184   23594247 /opt/zimbra/db/data/mboxgroup100/mail_item_dumpster.ibd
....50.000 more lines like those, all PID 2666
PID 2666 is Zimbra MySQL process:

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  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND
17155 zimbra    20   0 3657464 344092  21752 S   2.7  2.1   3:37.67 java
 2666 zimbra    20   0 5770080 1.970g  17032 S   0.3 12.6   4:25.30 mysqld
 2756 zimbra    20   0 8188768 2.678g  25540 S   0.3 17.1  27:58.61 java
18372 zimbra    20   0   54532  21072   2648 S   0.3  0.1   0:26.05 /opt/zimbra/com
    1 root      20   0   33380   3944   2704 S   0.0  0.0   0:00.92 init
Last edited by Labsy on Tue Feb 27, 2018 6:35 am, edited 1 time in total.
phoenix
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Re: lsof returns thousands of open files

Post by phoenix »

Yes, it's normal. This is my system:

Code: Select all

[root@mail01 ~]# lsof | grep zimbra | wc -l
203711
Regards

Bill

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Per ardua ad astra
Labsy
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Re: lsof returns thousands of open files

Post by Labsy »

Thanx, Bill. I was checking against my other Linux servers, but not ot other Zimbra server, because I only have one :)
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