Hi Kirby, There are some significant changes to write-behind that went into repository after 2.0.0rc4. Can you check with the latest code from repository or get 2.0.0rc6 from our internal releases at http://ftp.gluster.com/pub/gluster/glusterfs/qa-releases/glusterfs-2.0.0rc6.tar.gz regards, On Fri, Mar 20, 2009 at 4:39 PM, Kirby Zhou <kirbyzhou at sohu-rd.com> wrote: > 2.0.0rc4 performance/write-behind seems broken with flush-behind=on > > If you use flush-behind=on, it is a acceptable result that other client > machines will not see your operations immediately. > But it is not acceptable that the sequentially executed program cannot see > the result immediately caused by the prior one on the same client machine. > > The later situation happens when I run rpmbuild over a glusterfs volume. > > If I run following commands with flush-behind = on, some error happens. > ############ > [root at xen-727057 BUILD]# ( set -x ; rm -fr openssl-fips-0.9.8e; > /usr/bin/bzip2 -dc /root/rpmbuild/SOURCES/openssl-fips-0.9.8e-usa.tar.bz2 | > tar -xf -; cd openssl-fips-0.9.8e; /root/rpmbuild/SOURCES/hobble-openssl > > /dev/null; patch -p1 -b --suffix .redhat < > /root/rpmbuild/SOURCES/openssl-fips-0.9.8e-redhat.patch; patch -p1 -b > --suffix .defaults < /root/rpmbuild/SOURCES/openssl-0.9.8a-defaults.patch; > patch -p1 -b --suffix .krb5 < > /root/rpmbuild/SOURCES/openssl-0.9.8a-link-krb5.patch; patch -p1 -b > --suffix > .soversion < /root/rpmbuild/SOURCES/openssl-0.9.8b-soversion.patch; ) > + rm -i -fr openssl-fips-0.9.8e > + /usr/bin/bzip2 -dc /root/rpmbuild/SOURCES/openssl-fips-0.9.8e-usa.tar.bz2 > + tar -xf - > + cd openssl-fips-0.9.8e > + /root/rpmbuild/SOURCES/hobble-openssl > find: crypto/idea/asm: No such file or directory > find: crypto/mdc2/asm: No such file or directory > + patch -p1 -b --suffix .redhat > patching file Configure > + patch -p1 -b --suffix .defaults > patching file apps/openssl.cnf > Hunk #1 succeeded at 107 (offset 8 lines). > Hunk #3 succeeded at 153 (offset 8 lines). > + patch -p1 -b --suffix .krb5 > patching file Makefile.org > Hunk #1 succeeded at 420 (offset 154 lines). > + patch -p1 -b --suffix .soversion > patching file Makefile.org > Hunk #2 FAILED at 278. > Hunk #3 FAILED at 291. > 2 out of 3 hunks FAILED -- saving rejects to file Makefile.org.rej > patching file Configure > Hunk #1 FAILED at 1327. > 1 out of 1 hunk FAILED -- saving rejects to file Configure.rej > ############ > You can see, the last 2 patch operates the same file "Makefile.org". > ############ > [root at xen-727057 BUILD]# lsdiff > /root/rpmbuild/SOURCES/openssl-0.9.8a-link-krb5.patch > openssl-0.9.8a/Makefile.org > [root at xen-727057 BUILD]# lsdiff > /root/rpmbuild/SOURCES/openssl-0.9.8b-soversion.patch > openssl-0.9.8b/Makefile.org > openssl-0.9.8b/Configure > ############ > If I run each of the command above manually, everything goes right. > If the flush-behind is turned off, everything goes right too. > > #### client vol spec file > volume 10.10.123.32-brick1 > type protocol/client > option transport-type tcp/client > option remote-host 10.10.123.32 > option remote-port 6986 > option transport-timeout 5 > option remote-subvolume brick1 > end-volume > volume 10.10.123.32-brick2 > .... > end-volume > > volume dht0-raw > type cluster/distribute > subvolumes 10.10.123.21-brick1 10.10.123.21-brick2 10.10.123.22-brick1 > 10.10.123.22-brick2 10.10.123.31-brick1 10.10.123.31-brick2 > 10.10.123.32-brick1 10.10.123.32-brick2 > option lookup-unhashed yes > end-volume > > volume dht0-io-cache > type performance/io-cache > option cache-size 128MB # default is 32MB > option page-size 128KB # 128KB is default option > # option priority *.h:3,*.html:2,*:1 # default is '*:0' > # option cache-timeout 2 # default is 1 second > subvolumes dht0-raw > end-volume > > volume dht0-writebehind > type performance/write-behind > option aggregate-size 128KB # default is 0bytes > option window-size 2MB # default is equal to aggregate-size > option flush-behind on # default is 'off' > subvolumes dht0-io-cache > end-volume > > volume dht0 > type features/filter > option read-only off > #option root-squashing enable > option fixed-uid 99 > option fixed-gid 99 > #option translate-uid 0=999 > #option translate-gid 0=999 > subvolumes dht0-writebehind > #subvolumes dht0-io-cache > end-volume > ############################ > > > > > > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://zresearch.com/cgi-bin/mailman/listinfo/gluster-users > -- Raghavendra G -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://zresearch.com/pipermail/gluster-users/attachments/20090324/45144a7a/attachment-0001.htm>
