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[Gluster-devel] booster translator error

From: nicolas prochazka
Subject: [Gluster-devel] booster translator error
Date: Fri, 16 May 2008 17:46:51 +0200

I do some test with booster translator, and i ve found some issue :
my test is very simple, client1  -> server1

if i do :

revelation vdisk # dd if=base of=dest bs=10MB
629+1 records in
629+1 records out
6290378752 bytes (6.3 GB) copied, 135.844 s, 46.3 MB/s

all are ok.  I'm not using booster in this case.

if i do :

LD_PRELOAD=/usr/local/lib64/glusterfs/ dd if=base
of=test bs=10MB
dd: writing `test': Transport endpoint is not connected
1+0 records in
0+0 records out
0 bytes (0 B) copied, 0.113639 s, 0.0 kB/s
then i do a ls :
revelation vdisk # ls
ls: cannot open directory .: Transport endpoint is not connected
if i do a cd /  and then cd /mnt/vdisk   , it works again.

I'm using big file, sometime, /mnt/vdisk seems to be inacessible, dd
shows this issues all the times.

Nicolas Prochazka

Version :  GlusterFS 1.3.9

Client conf file :
volume client1
type protocol/client
option transport-type tcp/client
option remote-host
option remote-subvolume brick

volume booster
 type performance/booster
 subvolumes client1

volume readahead
type performance/read-ahead
option page-size 1MB
option page-count 64
subvolumes booster

volume iothreads
type performance/io-threads
option thread-count 20
subvolumes readahead

volume io-cache
type performance/io-cache
option cache-size 1000MB             # default is 32MB
option page-size 1MB               #128KB is default option
option force-revalidate-timeout 1200  # default is 1
subvolumes iothreads

volume writebehind
type performance/write-behind
option aggregate-size 512KB # default is 0bytes
option flush-behind on      # default is 'off'
subvolumes io-cache

Server conf file
volume brick1
type storage/posix
option directory /mnt/disks/export

volume brick
type performance/io-threads
option thread-count 32
option cache-size 512MB
subvolumes brick1

volume readahead-brick
type performance/read-ahead
option page-size 1M
option page-count 128
subvolumes brick

volume server
option window-size 2097152
type protocol/server
subvolumes readahead-brick
option transport-type tcp/server     # For TCP/IP transport
option client-volume-filename /etc/glusterfs/glusterfs-client.vol
option auth.ip.brick.allow *

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