PacketFence - BTS - PacketFence | |||||
| View Issue Details | |||||
| ID | Project | Category | View Status | Date Submitted | Last Update |
| 0001204 | PacketFence | performance | public | 2011-04-04 17:50 | 2011-10-25 09:01 |
| Reporter | obilodeau | ||||
| Assigned To | obilodeau | ||||
| Priority | normal | Severity | minor | Reproducibility | random |
| Status | closed | Resolution | fixed | ||
| Platform | OS | OS Version | |||
| Product Version | 1.9.0 | ||||
| Target Version | 2.2.0 | Fixed in Version | 2.2.0 | ||
| fixed in git revision | |||||
| fixed in mtn revision | 72f89c1e24c816eb856dfe0e829f02b9aa90d6ed | ||||
| Summary | 0001204: Dynamic apache configuration based on system resources | ||||
| Description | PacketFence runs on a lot of different systems out there and even though we have minimum hardware requirements we know that it runs in production from simple P3 with 1Gb of RAM (below our specs) up to dual octo-cores with 24Gb of RAM. Our aging default apache configuration has not been re-evaluated since we've switched to mod_perl (a change which implied a dramatic performance gain at the cost of keeping more stuff in memory). Lately, while running a 700 users registration sprint in an hour or so, we saw the consequence of our bad apache defaults. Apache spawned more childs than the memory could handle and the system started to swap which killed the box. When I started to consider a fix I've quickly realized that we will need to dynamically adjust the number of childs based on system memory. A fixed configuration would have been over-utilizing modest hardware and under-using more capable systems. So what I'll do is we'll check for an average memory consumption per thread in the systems we have access to and build a formula that will determine how to adjust httpd.conf's MaxClients, StartServers and MinSpareServers statements. | ||||
| Steps To Reproduce | |||||
| Additional Information | Need to think of: x86 vs x86_64 ps -eo rss,cmd --sort -rss | less | ||||
| Tags | No tags attached. | ||||
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| Attached Files | |||||
| Issue History | |||||
| Date Modified | Username | Field | Change | ||
| 2011-04-04 17:50 | obilodeau | New Issue | |||
| 2011-04-04 17:50 | obilodeau | Status | new => assigned | ||
| 2011-04-04 17:50 | obilodeau | Assigned To | => obilodeau | ||
| 2011-04-06 15:29 | obilodeau | Additional Information Updated | |||
| 2011-04-08 13:55 | obilodeau | Note Added: 0002019 | |||
| 2011-04-11 14:57 | obilodeau | mtn revision | => 72f89c1e24c816eb856dfe0e829f02b9aa90d6ed | ||
| 2011-04-11 14:57 | obilodeau | Note Added: 0002024 | |||
| 2011-04-11 14:57 | obilodeau | Status | assigned => resolved | ||
| 2011-04-11 14:57 | obilodeau | Fixed in Version | => trunk | ||
| 2011-04-11 14:57 | obilodeau | Resolution | open => fixed | ||
| 2011-05-04 11:33 | obilodeau | Fixed in Version | trunk => 2.2.0 | ||
| 2011-05-04 11:40 | obilodeau | Status | resolved => closed | ||
| 2011-10-25 09:01 | obilodeau | Target Version | +1 => 2.2.0 | ||
| Notes | |||||
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