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Cisco Bug: CSCzv10857 - When CASE is unable to update, the mail service becomes unstable

Last Modified

Mar 07, 2018

Products (1)

  • Cisco Email Security Appliance

Known Affected Releases

3.2.0-0 3.2.1-0 3.3.1-09 3.4.0-06

Description (partial)

Symptom:


Systems with high hourly mail volume  can experience severe degradation in overall email 
processing capacity may suffer performance degradation if they do not receive antispam updates from CASE
 
IronPort.lab>workqueue rate 10
 
Time Pending In Out
 
15:00:14 106080 0 0
15:00:24 106080  0 0
15:00:34 106080 0 0
15:00:44 106080 0 0
15:00:54 106080 0 0

Conditions:
email systems with high hourly mail volumes.

Related Community Discussions

[RCA] 10/21/14 Cisco ESA CASE Update outage Final
Root Cause Analysis (RCA) Report Summary of Incident Description On Oct 21, 2014, Cisco’s Anti-Spam backend infrastructure experienced network downtime that caused the inability for the Email Security Appliances (ESA) to pull down updates for a few hours. This inability to update exposed a performance issue where CPU utilization increases to a point where the mail work queue gets overloaded, causing mail delivery to be delayed. Incident Categorization Incident Date(s): 10/21/2014 Incident Type: Service ...
Latest activity: Sep 25, 2017
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