[Bugs] [Bug 1221560] New: `-bash: fork: Cannot allocate memory' error seen regularly on nodes on execution of any command

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1221560

            Bug ID: 1221560
           Summary: `-bash: fork: Cannot allocate memory' error seen
                    regularly on nodes on execution of any command
           Product: GlusterFS
           Version: mainline
         Component: core
          Severity: urgent
          Assignee: bugs at gluster.org
          Reporter: senaik at redhat.com
                CC: bugs at gluster.org, gluster-bugs at redhat.com



Description of problem:
=======================
"-bash: fork: Cannot allocate memory error" is seen constantly on the nodes on
execution of any command. This issue is seen with the latest glusterfs
3.7.0beta2 build. 

Not sure if this is a glusterfs problem as this issue was not seen on the
earlier build on the same hardware.

I have collected the sosreports after rebooting from the console as no commands
can be executed through the CLI until a reboot.


Version-Release number of selected component (if applicable):
=============================================================
glusterfs 3.7.0beta2


How reproducible:
=================
Intermittent.

Steps to Reproduce:
===================
1.Created some EC and tiered volumes with USS, quota and bitrot enabled.

2.Scheduled some snapshots 


Actual results:
==============
After a while we get "-bash: fork: Cannot allocate memory" on execution of any
command. 


Expected results:


Additional info:

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