hanging httpd processes.

[Alvin Starr <alvin@xxxxxxxxxx>]

We are running gluster 3.8.9-1 on Centos 7.3.1611 for the servers and on 
the clients 3.7.11-2 on Centos 6.8

We are seeing httpd processes hang in fuse_request_send or sync_page.

These calls are from PHP 5.3.3-48 scripts

I am attaching  a tgz file that contains the process dump from 
glusterfsd and the hung pids along with the offending pid's stacks from 
/proc/{pid}/stack.

This has been a low level annoyance for a while but it has become a much 
bigger issue because the number of hung processes went from a few a week 
to a few hundred a day.


--
Alvin Starr                   ||   voice: (905)513-7688
Netvel Inc.                   ||   Cell:  (416)806-0133
alvin@xxxxxxxxxx              ||

Attachment: gdump.tgz
Description: application/compressed

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