Gluster users - Sep 2014 - glusterfs replica volume self heal dir very slow！！why？

Hi all?
      I do the  following test?
     I create a glusterfs  replica volume (replica count is 2 ) with two server
node(server A and server B)? then  mount the volume in client node?
    then? I  shut down the network of server A node? in  client node? I copy a
dir?which has a lot of small files?? the dir size is 2.9GByte?
    when  copy finish? I start the network of server A node?   now? glusterfs 
self-heal-daemon start heal dir  from  server B to  server  A?
    in the  end?  I find the self-heal-daemon   heal the  dir use  40 minutes? 
It's too slow?  why?

   I   find out   related options  with  self-heal? as  follow?
   cluster.self-heal-window-size
   cluster.self-heal-readdir-size
   cluster.background-self-heal-count

  I  want  to ask? modify  the above options can improve  the  performance of
heal dir?  if possible? please give a reasonable value about above options?
  
  thanks?


justglusterfs at gmail.com
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Hi,

consider looking at this topic
http://supercolony.gluster.org/pipermail/gluster-users/2014-September/018577.html
. This guy made lots of test. It seems like 50 MB/s (or around 400 Mbps) is
the theoretical maximal limit for replica 1. I am waiting for comments to
this too.


2014-09-05 11:15 GMT+03:00 justglusterfs at gmail.com <justglusterfs at
gmail.com>
:
> Hi all?
>       I do the  following test?
>      I create a glusterfs  replica volume (replica count is 2 ) with two
> server node(server A and server B)? then  mount the volume in client node?
>     then? I  shut down the network of server A node? in  client node? I
> copy a dir?which has a lot of small files?? the dir size is *2.9GByte?*
>     when  copy finish? I start the network of server A node?   now?
> glusterfs  self-heal-daemon start heal dir  from  server B to  server  A?
>     in the  end?  I find the self-heal-daemon   heal the  dir *use  40
m**inutes?
> * *It's too slow?  why?*
>
>    I   find out   related options  with  self-heal? as  follow?
> *   cluster.self-heal-window-size*
>  *   cluster.self-heal-readdir-size*
> *   cluster.background-self-heal-count*
>
>   I  want  to ask? modify  the above options can improve  the
>  performance of heal dir?  if possible? please give a reasonable value
> about above options?
>
>   thanks?
> ------------------------------
> justglusterfs at gmail.com
>
> _______________________________________________
> Gluster-users mailing list
> Gluster-users at gluster.org
> http://supercolony.gluster.org/mailman/listinfo/gluster-users
>


-- 
Best regards,
Roman.
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