AH00288: scoreboard is full, not at MaxRequestWorkers
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Article ID: 128935
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Updated On:
Products
CA Single Sign On Secure Proxy Server (SiteMinder)AXIOMATICS POLICY SERVERCA Single Sign On SOA Security Manager (SiteMinder)CA Single Sign-On
Issue/Introduction
We're unning a CA Access Gateway (SPS) and this one reports the error :
[Fri Mar 01 09:53:55.553673 2019] [mpm_worker:error] [pid 8594:tid 4152100608] AH00288: scoreboard is full, not at MaxRequestWorkers
We'd like to know how to fix it.
Cause
The error is a known bug in Apache, which is solved in Apache 2.4.25 :
Bug 53555 - Scoreboard full error with event/ssl
A high-traffic web server using event MPM and mostly receiving HTTPS requests frequently got the error "scoreboard is full, not at MaxRequestWorkers" and showed very bad performance.