Changes between Version 32 and Version 33 of InstallationGuidelines/MySQL


Ignore:
Timestamp:
09/06/10 09:12:47 (11 years ago)
Author:
Dan Zubey
Comment:

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  • InstallationGuidelines/MySQL

    v32 v33  
    102102Outside of this, the usual tools for monitoring memory/cpu usage is effective.
    103103
    104 Note that high mysql cpu usage may indicate a high io-wait condition. (iowait is time spent reading/writing to io; in this case, disk). [BR]
    105 This can occur when attempting to view or sort massive quantities of data in eden. [BR] Using the above tips for increasing mysql ram usage will give mysql space to do sorts in memory.
     104Note that high mysql cpu usage may indicate a high io-wait condition, as many programs
     105do not report iowait seperately from user / sys cpu usage. This hides the real issue. top is your friend.
     106(iowait is time spent reading/writing to io; in this case, disk).
     107High iowait can occur when attempting to view or sort massive quantities of data in eden.
     108Using the above tips for increasing mysql ram usage will give mysql space to do sorts in memory.
     109
    106110---
    107111== Replication ==