[MooseFS-Users] Fwd: why master can't server any request at every o'clock?

[Piotr R. K. <pio...@mo...>]

Just forwarding the e-mail, because the user is not subscribed to MooseFS-Users list.

Regards,
Piotr Robert Konopelko


> Begin forwarded message:
> 
> From: "Ricardo J. Barberis" <ric...@do...>
> Subject: Re: [MooseFS-Users] why master can't server any request at every o'clock?
> Date: 29 February 2016 at 5:42:02 PM GMT+1
> To: moo...@li...
> 
> El Lunes 29/02/2016, 彭智希 escribió:
>> dear all:
>>   I use the version of 2.0 and i found that the master can't server any
>> request at every o'clock. It gets righter 3-4 minutes later. I do it
>> according to the solution of
>> https://sourceforge.net/p/moosefs/mailman/message/34310363/, but the result
>> is not satisfied. There is 64G memory total. So i think the memory is
>> enough. The file of metadata.mfs.back is about 4.3G. It is able to or not
>> too big to image the metadate to disk for the child process? I hope any
>> body could give me some hints! Thanks!!
> 
> Probably a slow disk? Check the status of your disk, like latency, IOPS, etc.
> 
> If possible, put metadata.mfs in a SSD disk and make sure your partitions are 
> correctly aligned, especially if your disk uses 4K sectors, e.g.:
> 
> # parted --script /dev/sdX align-check optimal N
> 
> Where you have to replace sdX with your disk name and N with the partition 
> number you want to check (iterate for every partition on your disk).
> 
> If the partitions are correctly aligned, parted should give you no output.
> 
> Cheers,
> -- 
> Ricardo J. Barberis
> Senior SysAdmin / IT Architect
> DonWeb
> La Actitud Es Todo
> www.DonWeb.com
>  _____