All,
I am seeing fairly regular issue with a bunch of hosts running postfix, using postfix pmda for monitoring,
Happy to upgrade PCP if there is a know issue
Thanks in advance
$ cat /etc/redhat-release
CentOS release 6.8 (Final)
$ rpm -qa pcp
pcp-3.10.9-6.el6.x86_64
PMCD Log
$ cat pmcd.log
Log for pmcd on e2s4.prd.mel.mmd started Thu Aug 11 06:57:18 2016
active agent dom pid in out ver protocol parameters
============ === ===== === === === ======== ==========
root 1 28921 9 10 2 bin pipe cmd=/var/lib/pcp/pmdas/root/pmdaroot
pmcd 2 2 dso i:6 lib=/var/lib/pcp/pmdas/pmcd/pmda_pmcd.so entry=pmcd_init [0x7f7220bf2ba0]
proc 3 28922 14 15 2 bin pipe cmd=/var/lib/pcp/pmdas/proc/pmdaproc -d 3
xfs 11 28923 16 17 2 bin pipe cmd=/var/lib/pcp/pmdas/xfs/pmdaxfs -d 11
linux 60 28924 18 19 2 bin pipe cmd=/var/lib/pcp/pmdas/linux/pmdalinux
mmv 70 2 dso i:4 lib=/var/lib/pcp/pmdas/mmv/pmda_mmv.so entry=mmv_init [0x7f72209eb950]
postfix 103 28925 20 21 2 bin pipe cmd=perl /var/lib/pcp/pmdas/postfix/pmdapostfix.pl
jbd2 122 2 dso i:4 lib=/var/lib/pcp/pmdas/jbd2/pmda_jbd2.so entry=jbd2_init [0x7f72207e8790]
Host access list:
00 01 Cur/MaxCons host-spec host-mask lvl host-name
== == =========== ======================================= ======================================= === ==============
y y 0 0 10.16.52.51 255.255.255.255 0 localhost
y y 0 0 / / 1 unix:
n 0 0 0.0.0.0 0.0.0.0 4 .*
n 0 0 :: :: 8 :*
User access list empty: user-based access control turned off
Group access list empty: group-based access control turned off
pmcd: PID = 28918, PDU version = 2
pmcd request port(s):
sts fd port family address
=== ==== ===== ====== =======
ok 7 unix /var/run/pcp/pmcd.socket
ok 0 44321 inet INADDR_ANY
ok 3 44321 ipv6 INADDR_ANY
[Fri Aug 12 03:04:35] pmcd(28918) Warning: pduread: timeout (after 5.000 sec) while attempting to read 12 bytes out of 12 in HDR on fd=21
[Fri Aug 12 03:04:35] pmcd(28918) Info: CleanupAgent ...
Cleanup "postfix" agent (dom 103): protocol failure for fd=21, exit(1)