| PHP Cache Locking |
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| • | Used
jpcache for caching full pages |
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| • | Made
things worse! |
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| • | jpcache
uses file locks |
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| • | All
apache processes had a new bottleneck |
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| • | Local
modifications to use more efficient |
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| locking |
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| • | Probably
wasn’t worth it at all |
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| • | Should
have used Squid reverse proxy |
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| • | Confused
our load balancers! |
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