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  • mk joined the group Event calendar
  • mk added a new discussion topic Hardware Recommendations in the group Elgg Technical Support
    Hi all: I've been asked to put together hardware specifications for an Elgg site with approximately 20,000 registered members. Has anyone done any research on this? What does the community.elgg.org site run on?  
    • yr ques seems too generic ;-) "performance' per se is not for a one sentence answer. there's many tools around to monitor apache and mysql performance, e.g. here's a live sample -->

      Apache Server Status for localhost
      Server Version: Apache/2.2.3 (Red Hat)
      --------------------------------------------------------------------------
      Current Time: Monday, 05-Apr-2010 17:02:50 EDT
      Server uptime: 10 days 15 hours 48 minutes 10 seconds
      27 requests currently being processed, 0 idle workers
      --------------------------------------------------------------------------

      -------- Performance Metrics -----------------------------------------------
      [--] Up for: 10d 15h 51m 8s (822M q [892.753 qps], 6M conn, TX: 492B, RX: 173B)
      [--] Reads / Writes: 97% / 3%
      [--] Total buffers: 34.0M global + 2.7M per thread (100 max threads)
      [OK] Maximum possible memory usage: 309.0M (3% of installed RAM)
      [OK] Slow queries: 0% (1K/822M)
      [OK] Key buffer size / total MyISAM indexes: 8.0M/1.3G
      [OK] Key buffer hit rate: 96.1% (47B cached / 1B reads)
      [OK] Sorts requiring temporary tables: 0% (8K temp sorts / 14M sorts)
      [OK] Temporary tables created on disk: 1% (38K on disk / 3M total)
      [OK] Open file limit used: 9% (97/1K)
      [OK] Table locks acquired immediately: 99% (1B immediate / 1B locks)
      [OK] InnoDB data size / buffer pool: 2.4M/8.0M

      --------------------------------------------------------------------------

    • Oh sorry about that.  I'm not quite an expert on this. :S

      Ok, so you said that you have 120 to 140 concurrent users.  How much load does it give to your server?  The CPU usage to be specific.  Does it reach 50% or do you still have lots of headroom just in case your concurrent users might spike up?

    • you might wanna check out a little on how performance is monitored and analyzed, etc.. ;-) cpu usage ? how many cores do you have ? speed, etc, etc ? sample -->
      Tasks: 149 total,  11 running, 138 sleeping,   0 stopped,   0 zombie
      Cpu(s): 66.2%us, 14.3%sy,  0.0%ni, 19.3%id,  0.0%wa,  0.0%hi,  0.2%si,  0.0%st
      ps: our cpu's are under-loaded;-O, ram under-loaded...!

  • mk joined the group Elgg Technical Support
  • mk added a new discussion topic List of all site members in the group General Discussion
    I would like to show a list of all site members, along with some of their profile information (like location, etc.). All logged-in members would be able to view the list. Ideally, the list could be sorted/filtered by the profile data. What is the...
  • mk joined the group General Discussion
  • mk joined the group Event calendar
  • mk has updated their profile
  • mk added a new discussion topic Customizations for Groups plugin/tool required in the group Professional Services
    I am looking for a developer to add functionality to the standard Groups plugin. The functionality would include things like allowing groups to become project teams, with mulitple projects that the group admin would be able to specify. These...