clear cached memory is good practice?

Discussion in 'Site & Server Administration' started by jhashan, May 1, 2015.

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  1. #1
    I have few Ubuntu server have memory problem and sometime MySQL get down so I decided to clear cached memory using this code

    sync; sudo echo 3 > /proc/sys/vm/drop_caches

    I have added an hourly cron job for running this code but I am confused, is this a good practice for memory issue? I need experts opinion.
     
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    jhashan, May 1, 2015 IP
  2. #2
    I don't know about hourly, but it's not a bad idea to do it once in awhile. Personally, I have a cron job that does it weekly. But it's also on servers with 256GB of RAM, so not exactly tight on memory.
     
    digitalpoint, May 1, 2015 IP
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  3. jhashan

    jhashan Well-Known Member

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    #3
    Thank you Boss, I will change timing to 1 day because my Ram is small.
     
    jhashan, May 2, 2015 IP