Tuesday Jul 03, 2007

APC Update

Many folks have reported problems with APC in Cool Stack 1.1 resulting in a SEGV in the CoolTools Forums.
The APC version in Cool Stack 1.1 is APC 3.0.11 and if enabled, extensions such as mysql, dtrace etc. fail with a SEGV. Media Wiki doesn't work either.

We have tested APC 3.0.14 and this version seems to work much better and I'm keeping my fingers crossed that it will work for you as well. Our performance testing doesn't show any substantial differences between 3.0.11 and 3.0.14. If you want to give it a try, simply download the correct file for your platform and rename it to apc.so in your php extensions directory /opt/coolstack/php5/lib/php/extensions/no-debug-non-zts-20060613.

APC 3.0.14 for Cool Stack 1.1 (SPARC)

APC 3.0.14 for Cool Stack 1.1 (x86)

About

I'm a Senior Staff Engineer in the Performance & Applications Engineering Group (PAE). This blog focuses on tips to build, configure, tune and measure performance of popular open source web applications on Solaris.

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