OID 11g 11.1.1.7.0 Consuming High CPU on One HA Node. Logs Show Frequent Error: "ServerDispatcher : sgslufread: Hard error on read, OS error = ##" (OS error Corresponding to Connection reset by peer - ECONNRESET / WSAECONNRESET) (Doc ID 1967256.1)

Last updated on MARCH 08, 2017

Applies to:

Oracle Internet Directory - Version 11.1.1.7.0 to 11.1.1.7.0 [Release 11g]
Information in this document applies to any platform.

Symptoms

Oracle Internet Directory (OID) 11g server 11.1.1.7.0 version, typically multiple servers in High Availability (HA).

Experiencing high cpu usage for process oidldapd. OID sometimes stops responding on one of the nodes, with 100% of CPU usage, and it is necessary to restart the OID processes to temporarily recover.

Logs frequently show the following error:

[Note: The log example below is from AIX platform (ECONNRESET 73  /* Connection reset by peer */).  The OS error number for "connection reset by peer" will vary by platform.]

...<snip>...

[2015-01-27T06:15:59-05:00] [OID] [NOTIFICATION:16] [] [OIDLDAPD] [host: myoid2] [pid: 9306124] [tid: 4] ServerDispatcher  : sgslufread: Hard error on read, OS error = 73

[2015-01-27T06:15:59-05:00] [OID] [NOTIFICATION:16] [] [OIDLDAPD] [host: myoid2] [pid: 9306124] [tid: 4] ServerDispatcher  : sgslufread: Hard error on read, OS error = 73

[2015-01-27T06:15:59-05:00] [OID] [NOTIFICATION:16] [] [OIDLDAPD] [host: myoid2] [pid: 9306124] [tid: 4] ServerDispatcher  : sgslufread: Hard error on read, OS error = 73

...

[2015-01-27T08:36:21-05:00] [OID] [NOTIFICATION:16] [] [OIDLDAPD] [host: myoid2] [pid: 9306124] [tid: 0] Main:: WARNING : ServerController : Processing shutdown notification

[2015-01-27T08:36:21-05:00] [OID] [NOTIFICATION:16] [] [OIDLDAPD] [host: myoid2] [pid: 9306124] [tid: 0] Main:: Shutting down ... detaching shared memory

...<end>....


(Note: The OID nodes may have been upgraded from 10g or earlier 11g to 11.1.1.7.)

Cause

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