[Gluster-users] 2.0.8: server on tmpfs for small files

[Jeremy Enos]

Post is almost a year old...  ever any response here?  Is it possible to 
export tmpfs locations w/ gluster?
thx-

     Jeremy

On 12/1/2009 8:14 AM, Alexander Beregalov wrote:
> Hi
>
> Is it possible to start server on tmpfs ?
> It is announced that stripe can be used over tmpfs, but stripe is
> client plugin and server cannot start on tmpfs because lack of
> xattrs.
>
> I am trying to setup a small fast storage for small files (compiling purpose).
> I made ext2 with xattr on ramdisk on 4 hosts, joined them with
> replicate plugin and mounted it on one client. Also io-cache,
> write-behind, quick-read and io threads  were used on client side.
> I compiled linux kernel, performance was 10 times worse than tmpfs
> exported by NFS on one node.
>
> Any ideas?
>
> Servers:
>
> volume posix
>    type storage/posix                   # POSIX FS translator
>    option directory /mnt/ost        # Export this directory
> end-volume
>
> volume locks
>    type features/locks
>    option mandatory-locks on
>    subvolumes posix
> end-volume
>
> volume brick
>    type performance/io-threads
>    option thread-count 4                # Four CPUs
>    subvolumes locks
> end-volume
>
> volume server
>    type protocol/server
>    option transport-type tcp
>    option transport.socket.nodelay on
>    subvolumes brick
>    option auth.addr.brick.allow * # Allow access to "brick" volume
> end-volume
>
>
> Client:
>
> volume server1
>    type protocol/client
>    option transport-type tcp
>    option remote-host<IP>
>    option transport.socket.nodelay on
>    option remote-subvolume brick        # name of the remote volume
> end-volume
>
> <the same for server[2-4]>
>
> volume replicated
>    type cluster/replicate
>    subvolumes server1 server2 server3 server4
> end-volume
>
> volume iocache
>    type performance/io-cache
>    option cache-size 1000MB        # default is 32MB
>    option priority *.h:3,*.o:2,*:1     # default is '*:0'
>    option cache-timeout 1                 # default is 1 second
>    subvolumes replicated
> end-volume
>
> volume writeback
>    type performance/write-behind
>    option cache-size 500MB     # default is equal to aggregate-size
>    option flush-behind off      # default is 'off'
>    subvolumes iocache
> end-volume
>
> volume quickread
>    type performance/quick-read
>    option cache-timeout 1         # default 1 second
>    option max-file-size 256KB        # default 64Kb
>    subvolumes iocache
> end-volume
>
> volume iothreads
>    type performance/io-threads
>    option thread-count 16 # default is 16
>    subvolumes quickread
> end-volume
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