Re: [Moosefs-users] mfs-master[4166]: CS(10.10.10.10) packet too long (226064141/50000000)

[Stas O. <sta...@gm...>]

Hi.

2010/6/21 Michał Borychowski <mic...@ge...>

>  We give you here some quick patches you can implement to the master
> server to improve its performance for that amount of files:
>
>
>
> In matocsserv.c in mfsmaster you need to change this line:
>
> #define MaxPacketSize 50000000
>
>
>
> into this:
>
> #define MaxPacketSize 500000000
>
>
>
>
>
>
>
> Also we suggest a change in filesystem.c in mfsmaster in "fs_test_files"
> function. Change this line:
>
> if ((uint32_t)(main_time())<=starttime+150) {
>
>
>
> into:
>
> if ((uint32_t)(main_time())<=starttime+900) {
>
>
>
>
>
> And also changing this line:
>
>         for (k=0 ; k<(NODEHASHSIZE/3600) && i<NODEHASHSIZE ; k++,i++) {
>
>
>
> into this:
>
>         for (k=0 ; k<(NODEHASHSIZE/14400) && i<NODEHASHSIZE ; k++,i++) {
>
>
>
>
>
>
>
> You need to recompile the master server and start it again. The above
> changes should make the master server work more stable with large amount of
> files.
>
>
>

Can these changes be added to next MFS release?
Or they impact the performance in any way for smaller amounts?

Regards.