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  1. ZABBIX BUGS AND ISSUES
  2. ZBX-7933

zabbix generate TCP queue overflow

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    • Team:
      Team A
    • Sprint:
      Sprint 67 (Aug 2020), Sprint 68 (Sep 2020), Sprint 69 (Oct 2020), Sprint 70 (Nov 2020), Sprint 71 (Dec 2020), Sprint 72 (Jan 2021), Sprint 73 (Feb 2021), Sprint 74 (Mar 2021), Sprint 75 (Apr 2021), Sprint 77 (Jun 2021), Sprint 78 (Jul 2021), Sprint 79 (Aug 2021)
    • Story Points:
      1

      Description

      From time to time generates zabbix a TCP queue overflow.
      Then is no traffic from / to ZABBIX more possible, only zabbix restart help here.

       
      Mar 12 17:20:17 zabbix-p01 kernel: sonewconn: pcb 0xc809dad4: Listen queue overflow: 193 already in queue awaiting acceptance
      Mar 12 17:20:48 zabbix-p01 last message repeated 18 times
      Mar 12 17:21:34 zabbix-p01 last message repeated 28 times
      
       
      [[email protected] ~]# netstat -Lan
      Current listen queue sizes (qlen/incqlen/maxqlen)
      Proto Listen         Local Address         
      tcp4  0/0/10         127.0.0.1.25           
      tcp4  0/0/128        *.22                   
      tcp6  0/0/128        *.22                   
      tcp4  0/0/128        *.199                  
      tcp4  0/0/128        *.11000                
      tcp4  193/0/128      *.10051                
      tcp4  0/0/128        *.10050                
      tcp6  0/0/128        *.10050                
      tcp4  0/0/50         *.3306                 
      unix  0/0/50         /tmp/mysql.sock
      unix  0/0/4          /var/run/devd.pipe
      

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              Assignee:
              dgoloscapov Dmitrijs Goloscapovs
              Reporter:
              stefans Stefan Sabolowitsch
              Votes:
              8 Vote for this issue
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              18 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved: