[Freeipa-users] I/O Problems after update to IPA Version RHEL6.4

Marc Grimme grimme at atix.de
Thu Jun 27 19:11:26 UTC 2013


Hi together,
I updated my ipa servers last week.
Since then the primary master is running under heavy load. It look like that the ldap server reponsible for my domain is causing high I/O load. It's writing its logs over and over again.
Also the CPU is loaded:
top - 21:09:53 up 6 days,  4:18,  2 users,  load average: 1.73, 1.71, 1.74
Tasks: 107 total,   1 running, 106 sleeping,   0 stopped,   0 zombie
Cpu0  : 37.5%us,  1.9%sy,  0.0%ni,  0.0%id, 54.4%wa,  0.0%hi,  0.0%si,  6.2%st
Mem:   1922724k total,  1547748k used,   374976k free,   133928k buffers
Swap:  2064376k total,     1812k used,  2062564k free,   233944k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND                                                                                          
32134 dirsrv    20   0 1626m 652m  16m S 35.8 34.8  66:33.38 /usr/sbin/ns-slapd -D /etc/dirsrv/slapd-CL-ATIX -i /var/run/dirsrv/slapd-CL-ATIX.pid -w /var/run/d
  912 root      20   0  314m  47m 7220 S  5.3  2.6   0:02.11 /usr/bin/python -E /usr/sbin/ipa-replica-manage list                                              
 2012 root      20   0  192m 5280 1536 S  0.3  0.3   3:43.13 /usr/sbin/snmpd -LS0-6d -Lf /dev/null -p /var/run/snmpd.pid                                       
    1 root      20   0 21304 1352 1092 S  0.0  0.1   0:06.61 /sbin/init                                                                                        
    2 root      20   0     0    0    0 S  0.0  0.0   0:00.00 [kthreadd]                                                                                        
...

Look at two following ls on the db directory.
-----------------------X8--------------------------------
[root at axinfra01-1 dirsrv]# ls -l /var/lib/dirsrv/slapd-CL-ATIX/db
insgesamt 155484
-rw------- 1 dirsrv dirsrv    24576 27. Jun 17:37 __db.001
-rw------- 1 dirsrv dirsrv  1728512 27. Jun 21:07 __db.002
-rw------- 1 dirsrv dirsrv 10002432 27. Jun 21:07 __db.003
-rw------- 1 dirsrv dirsrv  1081344 27. Jun 21:07 __db.004
-rw------- 1 dirsrv dirsrv  8126464 27. Jun 21:08 __db.005
-rw------- 1 dirsrv dirsrv    90112 27. Jun 21:07 __db.006
-rw------- 1 dirsrv dirsrv       49 27. Jun 17:37 DBVERSION
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289597
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289598
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289599
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289600
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289601
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289602
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289603
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289604
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289605
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289606
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289607
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:08 log.0000289608
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:08 log.0000289609
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:08 log.0000289610
drwx------ 2 dirsrv dirsrv     4096 21. Jun 16:48 userRoot
[root at axinfra01-1 dirsrv]# ls -l /var/lib/dirsrv/slapd-CL-ATIX/db
insgesamt 191500
-rw------- 1 dirsrv dirsrv    24576 27. Jun 17:37 __db.001
-rw------- 1 dirsrv dirsrv  1728512 27. Jun 21:07 __db.002
-rw------- 1 dirsrv dirsrv 10002432 27. Jun 21:07 __db.003
-rw------- 1 dirsrv dirsrv  1081344 27. Jun 21:07 __db.004
-rw------- 1 dirsrv dirsrv  8126464 27. Jun 21:08 __db.005
-rw------- 1 dirsrv dirsrv    90112 27. Jun 21:07 __db.006
-rw------- 1 dirsrv dirsrv       49 27. Jun 17:37 DBVERSION
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289597
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289598
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289599
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289600
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289601
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289602
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289603
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289604
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289605
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289606
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:07 log.0000289607
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:08 log.0000289608
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:08 log.0000289609
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:08 log.0000289610
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:08 log.0000289611
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:08 log.0000289612
-rw------- 1 dirsrv dirsrv 10485760 27. Jun 21:08 log.0000289613
----------------------------X8------------------------------------

All the apps are pretty slow with authentication.

The server is exclusivly running ipa.

Any ideas how I can proceed?

Thanks for you help.

Marc.

-- 
Marc Grimme 

ATIX - The Linux & Open Source Company 

ATIX Informationstechnologie und Consulting AG 
Einsteinstraße 10 
85716 Unterschleißheim 
www.atix.de 




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