Splunk appears to be ignoring limits.conf: base_max_searches = 8

Question

When submitting queries in rapid succession to Splunk (via the REST API), I'm getting 503 errors from splunkd. This seems to occur after exactly 3 rapid-fire requests in most cases, although there have been times when I get much further than this before seeing the error.

The particular queries being executed don't seem to matter.

splunkd.log shows:

05-04-2010 20:02:31.969 ERROR DispatchCommand - Your maximum number of concurrent searches has been reached. usage=3 quota=3 The search was not run. SearchId=1273003350.8
05-04-2010 20:06:55.635 ERROR DispatchCommand - Your maximum number of concurrent searches has been reached. usage=3 quota=3 The search was not run. SearchId=1273003614.12
05-04-2010 20:06:58.822 ERROR DispatchCommand - Your maximum number of concurrent searches has been reached. usage=3 quota=3 The search was not run. SearchId=1273003617.16

In etc/system/local/limits.conf I have:

[search]
base_max_searches = 8
max_searches_per_cpu = 8
max_rt_search_multiplier = 6

Splunk appears to be ignoring limits.conf

Answer 1

You might hit the limits for individual role search quota(authorize.conf) before you hit the system search quota limitation(limits.conf). authorize.conf determines the limitation for concurrent search for roles.

http://www.splunk.com/base/Documentation/4.1.1/Admin/Authorizeconf

$SPLUNK_HOME/etc/system/local/authorize.conf $SPLUNK_HOME/etc/system/default/authorize.conf

The default quota for normal role is 3.

Based on your diag, there is no change in your $SPLUNK_HOME/etc/system/local/authorize.conf, so Splunk will use default srchJobsQuota = 3.

Please modify your $SPLUNK_HOME/etc/system/local/authorize.conf to increase your quota.

Splunk appears to be ignoring limits.conf: base_max_searches = 8

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