There was a segfault on gqas001, have a look when you get a sec: Core was generated by `/usr/sbin/glusterfs -s localhost --volfile-id rebalance/testvol --xlator-option'. Program terminated with signal 11, Segmentation fault. #0 gf_defrag_get_entry (this=0x7f26f8011180, defrag=0x7f26f8031ef0, loc=0x7f26f4dbbfd0, migrate_data=0x7f2707874be8) at dht-rebalance.c:2032 2032 GF_FREE (tmp_container->parent_loc); (gdb) bt #0 gf_defrag_get_entry (this=0x7f26f8011180, defrag=0x7f26f8031ef0, loc=0x7f26f4dbbfd0, migrate_data=0x7f2707874be8) at dht-rebalance.c:2032 #1 gf_defrag_process_dir (this=0x7f26f8011180, defrag=0x7f26f8031ef0, loc=0x7f26f4dbbfd0, migrate_data=0x7f2707874be8) at dht-rebalance.c:2207 #2 0x00007f26fdae1eb8 in gf_defrag_fix_layout (this=0x7f26f8011180, defrag=0x7f26f8031ef0, loc=0x7f26f4dbbfd0, fix_layout=0x7f2707874b5c, migrate_data=0x7f2707874be8) at dht-rebalance.c:2299 #3 0x00007f26fdae1f4b in gf_defrag_fix_layout (this=0x7f26f8011180, defrag=0x7f26f8031ef0, loc=0x7f26f4dbc200, fix_layout=0x7f2707874b5c, migrate_data=0x7f2707874be8) at dht-rebalance.c:2416 #4 0x00007f26fdae1f4b in gf_defrag_fix_layout (this=0x7f26f8011180, defrag=0x7f26f8031ef0, loc=0x7f26f4dbc430, fix_layout=0x7f2707874b5c, migrate_data=0x7f2707874be8) at dht-rebalance.c:2416 #5 0x00007f26fdae1f4b in gf_defrag_fix_layout (this=0x7f26f8011180, defrag=0x7f26f8031ef0, loc=0x7f26f4dbc660, fix_layout=0x7f2707874b5c, migrate_data=0x7f2707874be8) at dht-rebalance.c:2416 #6 0x00007f26fdae1f4b in gf_defrag_fix_layout (this=0x7f26f8011180, defrag=0x7f26f8031ef0, loc=0x7f26f4dbc890, fix_layout=0x7f2707874b5c, migrate_data=0x7f2707874be8) at dht-rebalance.c:2416 #7 0x00007f26fdae1f4b in gf_defrag_fix_layout (this=0x7f26f8011180, defrag=0x7f26f8031ef0, loc=0x7f26f4dbcac0, fix_layout=0x7f2707874b5c, migrate_data=0x7f2707874be8) at dht-rebalance.c:2416 #8 0x00007f26fdae1f4b in gf_defrag_fix_layout (this=0x7f26f8011180, defrag=0x7f26f8031ef0, loc=0x7f26f4dbccf0, fix_layout=0x7f2707874b5c, migrate_data=0x7f2707874be8) at dht-rebalance.c:2416 #9 0x00007f26fdae1f4b in gf_defrag_fix_layout (this=0x7f26f8011180, defrag=0x7f26f8031ef0, loc=0x7f26f4dbcf60, fix_layout=0x7f2707874b5c, migrate_data=0x7f2707874be8) at dht-rebalance.c:2416 #10 0x00007f26fdae2524 in gf_defrag_start_crawl (data=0x7f26f8011180) at dht-rebalance.c:2599 #11 0x00007f2709024f62 in synctask_wrap (old_task=<value optimized out>) at syncop.c:375 #12 0x0000003648c438f0 in ?? () from /lib64/libc-2.12.so #13 0x0000000000000000 in ?? ()
On Fri, May 1, 2015 at 12:53 AM, Benjamin Turner <bennytu...@gmail.com> wrote: > Ok I have all my data created and I just started the rebalance. One thing > to not in the client log I see the following spamming: > > [root@gqac006 ~]# cat /var/log/glusterfs/gluster-mount-.log | wc -l > 394042 > > [2015-05-01 00:47:55.591150] I [MSGID: 109036] > [dht-common.c:6478:dht_log_new_layout_for_dir_selfheal] 0-testvol-dht: > Setting layout of /file_dstdir/ > gqac006.sbu.lab.eng.bos.redhat.com/thrd_05/d_001/d_000/d_004/d_006 with > [Subvol_name: testvol-replicate-0, Err: -1 , Start: 0 , Stop: 2141429669 ], > [Subvol_name: testvol-replicate-1, Err: -1 , Start: 2141429670 , Stop: > 4294967295 ], > [2015-05-01 00:47:55.596147] I > [dht-selfheal.c:1587:dht_selfheal_layout_new_directory] 0-testvol-dht: > chunk size = 0xffffffff / 19920276 = 0xd7 > [2015-05-01 00:47:55.596177] I > [dht-selfheal.c:1626:dht_selfheal_layout_new_directory] 0-testvol-dht: > assigning range size 0x7fa39fa6 to testvol-replicate-1 > [2015-05-01 00:47:55.596189] I > [dht-selfheal.c:1626:dht_selfheal_layout_new_directory] 0-testvol-dht: > assigning range size 0x7fa39fa6 to testvol-replicate-0 > [2015-05-01 00:47:55.597081] I [MSGID: 109036] > [dht-common.c:6478:dht_log_new_layout_for_dir_selfheal] 0-testvol-dht: > Setting layout of /file_dstdir/ > gqac006.sbu.lab.eng.bos.redhat.com/thrd_05/d_001/d_000/d_004/d_005 with > [Subvol_name: testvol-replicate-0, Err: -1 , Start: 2141429670 , Stop: > 4294967295 ], [Subvol_name: testvol-replicate-1, Err: -1 , Start: 0 , Stop: > 2141429669 ], > [2015-05-01 00:47:55.601853] I > [dht-selfheal.c:1587:dht_selfheal_layout_new_directory] 0-testvol-dht: > chunk size = 0xffffffff / 19920276 = 0xd7 > [2015-05-01 00:47:55.601882] I > [dht-selfheal.c:1626:dht_selfheal_layout_new_directory] 0-testvol-dht: > assigning range size 0x7fa39fa6 to testvol-replicate-1 > [2015-05-01 00:47:55.601895] I > [dht-selfheal.c:1626:dht_selfheal_layout_new_directory] 0-testvol-dht: > assigning range size 0x7fa39fa6 to testvol-replicate-0 > > Just to confirm the patch is > in, glusterfs-3.8dev-0.71.gita7f8482.el6.x86_64. Correct? > > Here is the info on the data set: > > hosts in test : ['gqac006.sbu.lab.eng.bos.redhat.com', ' > gqas003.sbu.lab.eng.bos.redhat.com'] > top test directory(s) : ['/gluster-mount'] > peration : create > files/thread : 500000 > threads : 8 > record size (KB, 0 = maximum) : 0 > file size (KB) : 64 > file size distribution : fixed > files per dir : 100 > dirs per dir : 10 > total threads = 16 > total files = 7222600 > total data = 440.833 GB > 90.28% of requested files processed, minimum is 70.00 > 8107.852862 sec elapsed time > 890.815377 files/sec > 890.815377 IOPS > 55.675961 MB/sec > > Here is the rebalance run after about 5 or so minutes: > > [root@gqas001 ~]# gluster v rebalance testvol status > Node Rebalanced-files size > scanned failures skipped status run time in > secs > --------- ----------- ----------- > ----------- ----------- ----------- ------------ > -------------- > localhost 32203 2.0GB > 120858 0 5184 in progress > 1294.00 > gqas011.sbu.lab.eng.bos.redhat.com 0 0Bytes > 0 0 0 failed > 0.00 > gqas016.sbu.lab.eng.bos.redhat.com 9364 585.2MB > 53121 0 0 in progress > 1294.00 > gqas013.sbu.lab.eng.bos.redhat.com 0 0Bytes > 14750 0 0 in progress > 1294.00 > gqas014.sbu.lab.eng.bos.redhat.com 0 0Bytes > 0 0 0 failed > 0.00 > gqas015.sbu.lab.eng.bos.redhat.com 0 0Bytes > 196382 0 0 in progress > 1294.00 > volume rebalance: testvol: success: > > The hostnames are there if you want to poke around. I had a problem with > one of the added systems being on a different version of glusterfs so I had > to update everything to glusterfs-3.8dev-0.99.git7d7b80e.el6.x86_64, remove > the bricks I just added, and add them back. Something may have went wrong > in that process but I thought I did everything correctly. I'll start fresh > tomorrow. I figured I'd let this run over night. > > -b > > > > > On Wed, Apr 29, 2015 at 9:48 PM, Benjamin Turner <bennytu...@gmail.com> > wrote: > >> Sweet! Here is the baseline: >> >> [root@gqas001 ~]# gluster v rebalance testvol status >> Node Rebalanced-files size >> scanned failures skipped status run time in >> secs >> --------- ----------- ----------- >> ----------- ----------- ----------- ------------ >> -------------- >> localhost 1328575 81.1GB >> 9402953 0 0 completed >> 98500.00 >> gqas012.sbu.lab.eng.bos.redhat.com 0 0Bytes >> 8000011 0 0 completed >> 51982.00 >> gqas003.sbu.lab.eng.bos.redhat.com 0 0Bytes >> 8000011 0 0 completed >> 51982.00 >> gqas004.sbu.lab.eng.bos.redhat.com 1326290 81.0GB >> 9708625 0 0 completed >> 98500.00 >> gqas013.sbu.lab.eng.bos.redhat.com 0 0Bytes >> 8000011 0 0 completed >> 51982.00 >> gqas014.sbu.lab.eng.bos.redhat.com 0 0Bytes >> 8000011 0 0 completed >> 51982.00 >> volume rebalance: testvol: success: >> >> I'll have a run on the patch started tomorrow. >> >> -b >> >> On Wed, Apr 29, 2015 at 12:51 PM, Nithya Balachandran < >> nbala...@redhat.com> wrote: >> >>> >>> Doh my mistake, I thought it was merged. I was just running with the >>> upstream 3.7 daily. Can I use this run as my baseline and then I can run >>> next time on the patch to show the % improvement? I'll wipe everything >>> and >>> try on the patch, any idea when it will be merged? >>> >>> Yes, it would be very useful to have this run as the baseline. The patch >>> has just been merged in master. It should be backported to 3.7 in a day or >>> so. >>> >>> Regards, >>> Nithya >>> >>> >>> > > > > >>> > > > > > >>> > > > > > On Wed, Apr 22, 2015 at 1:10 AM, Nithya Balachandran >>> > > > > > <nbala...@redhat.com> >>> > > > > > wrote: >>> > > > > > >>> > > > > > > That sounds great. Thanks. >>> > > > > > > >>> > > > > > > Regards, >>> > > > > > > Nithya >>> > > > > > > >>> > > > > > > ----- Original Message ----- >>> > > > > > > From: "Benjamin Turner" <bennytu...@gmail.com> >>> > > > > > > To: "Nithya Balachandran" <nbala...@redhat.com> >>> > > > > > > Cc: "Susant Palai" <spa...@redhat.com>, "Gluster Devel" < >>> > > > > > > gluster-devel@gluster.org> >>> > > > > > > Sent: Wednesday, 22 April, 2015 12:14:14 AM >>> > > > > > > Subject: Re: [Gluster-devel] Rebalance improvement design >>> > > > > > > >>> > > > > > > I am setting up a test env now, I'll have some feedback for >>> you >>> > this >>> > > > > > > week. >>> > > > > > > >>> > > > > > > -b >>> > > > > > > >>> > > > > > > On Tue, Apr 21, 2015 at 11:36 AM, Nithya Balachandran >>> > > > > > > <nbala...@redhat.com >>> > > > > > > > >>> > > > > > > wrote: >>> > > > > > > >>> > > > > > > > Hi Ben, >>> > > > > > > > >>> > > > > > > > Did you get a chance to try this out? >>> > > > > > > > >>> > > > > > > > Regards, >>> > > > > > > > Nithya >>> > > > > > > > >>> > > > > > > > ----- Original Message ----- >>> > > > > > > > From: "Susant Palai" <spa...@redhat.com> >>> > > > > > > > To: "Benjamin Turner" <bennytu...@gmail.com> >>> > > > > > > > Cc: "Gluster Devel" <gluster-devel@gluster.org> >>> > > > > > > > Sent: Monday, April 13, 2015 9:55:07 AM >>> > > > > > > > Subject: Re: [Gluster-devel] Rebalance improvement design >>> > > > > > > > >>> > > > > > > > Hi Ben, >>> > > > > > > > Uploaded a new patch here: >>> > http://review.gluster.org/#/c/9657/. >>> > > > > > > > We >>> > > > > > > > can >>> > > > > > > > start perf test on it. :) >>> > > > > > > > >>> > > > > > > > Susant >>> > > > > > > > >>> > > > > > > > ----- Original Message ----- >>> > > > > > > > From: "Susant Palai" <spa...@redhat.com> >>> > > > > > > > To: "Benjamin Turner" <bennytu...@gmail.com> >>> > > > > > > > Cc: "Gluster Devel" <gluster-devel@gluster.org> >>> > > > > > > > Sent: Thursday, 9 April, 2015 3:40:09 PM >>> > > > > > > > Subject: Re: [Gluster-devel] Rebalance improvement design >>> > > > > > > > >>> > > > > > > > Thanks Ben. RPM is not available and I am planning to >>> refresh >>> > the >>> > > > > > > > patch >>> > > > > > > in >>> > > > > > > > two days with some more regression fixes. I think we can >>> run >>> > the >>> > > > > > > > tests >>> > > > > > > post >>> > > > > > > > that. Any larger data-set will be good(say 3 to 5 TB). >>> > > > > > > > >>> > > > > > > > Thanks, >>> > > > > > > > Susant >>> > > > > > > > >>> > > > > > > > ----- Original Message ----- >>> > > > > > > > From: "Benjamin Turner" <bennytu...@gmail.com> >>> > > > > > > > To: "Vijay Bellur" <vbel...@redhat.com> >>> > > > > > > > Cc: "Susant Palai" <spa...@redhat.com>, "Gluster Devel" < >>> > > > > > > > gluster-devel@gluster.org> >>> > > > > > > > Sent: Thursday, 9 April, 2015 2:10:30 AM >>> > > > > > > > Subject: Re: [Gluster-devel] Rebalance improvement design >>> > > > > > > > >>> > > > > > > > >>> > > > > > > > I have some rebalance perf regression stuff I have been >>> > working on, >>> > > > > > > > is >>> > > > > > > > there an RPM with these patches anywhere so that I can try >>> it >>> > on my >>> > > > > > > > systems? If not I'll just build from: >>> > > > > > > > >>> > > > > > > > >>> > > > > > > > git fetch git:// review.gluster.org/glusterfs >>> > > > > > > > refs/changes/57/9657/8 >>> > > > > > > > && >>> > > > > > > > git cherry-pick FETCH_HEAD >>> > > > > > > > >>> > > > > > > > >>> > > > > > > > >>> > > > > > > > I will have _at_least_ 10TB of storage, how many TBs of >>> data >>> > should >>> > > > > > > > I >>> > > > > > > > run >>> > > > > > > > with? >>> > > > > > > > >>> > > > > > > > >>> > > > > > > > -b >>> > > > > > > > >>> > > > > > > > >>> > > > > > > > On Tue, Apr 7, 2015 at 9:07 AM, Vijay Bellur < >>> > vbel...@redhat.com > >>> > > > > > > wrote: >>> > > > > > > > >>> > > > > > > > >>> > > > > > > > >>> > > > > > > > >>> > > > > > > > On 04/07/2015 03:08 PM, Susant Palai wrote: >>> > > > > > > > >>> > > > > > > > >>> > > > > > > > Here is one test performed on a 300GB data set and around >>> > 100%(1/2 >>> > > > > > > > the >>> > > > > > > > time) improvement was seen. >>> > > > > > > > >>> > > > > > > > [root@gprfs031 ~]# gluster v i >>> > > > > > > > >>> > > > > > > > Volume Name: rbperf >>> > > > > > > > Type: Distribute >>> > > > > > > > Volume ID: 35562662-337e-4923-b862- d0bbb0748003 >>> > > > > > > > Status: Started >>> > > > > > > > Number of Bricks: 4 >>> > > > > > > > Transport-type: tcp >>> > > > > > > > Bricks: >>> > > > > > > > Brick1: gprfs029-10ge:/bricks/ gprfs029/brick1 >>> > > > > > > > Brick2: gprfs030-10ge:/bricks/ gprfs030/brick1 >>> > > > > > > > Brick3: gprfs031-10ge:/bricks/ gprfs031/brick1 >>> > > > > > > > Brick4: gprfs032-10ge:/bricks/ gprfs032/brick1 >>> > > > > > > > >>> > > > > > > > >>> > > > > > > > Added server 32 and started rebalance force. >>> > > > > > > > >>> > > > > > > > Rebalance stat for new changes: >>> > > > > > > > [root@gprfs031 ~]# gluster v rebalance rbperf status >>> > > > > > > > Node Rebalanced-files size scanned failures skipped status >>> run >>> > time >>> > > > > > > > in >>> > > > > > > secs >>> > > > > > > > --------- ----------- ----------- ----------- ----------- >>> > > > > > > > ----------- >>> > > > > > > > ------------ -------------- >>> > > > > > > > localhost 74639 36.1GB 297319 0 0 completed 1743.00 >>> > > > > > > > 172.17.40.30 67512 33.5GB 269187 0 0 completed 1395.00 >>> > > > > > > > gprfs029-10ge 79095 38.8GB 284105 0 0 completed 1559.00 >>> > > > > > > > gprfs032-10ge 0 0Bytes 0 0 0 completed 402.00 >>> > > > > > > > volume rebalance: rbperf: success: >>> > > > > > > > >>> > > > > > > > Rebalance stat for old model: >>> > > > > > > > [root@gprfs031 ~]# gluster v rebalance rbperf status >>> > > > > > > > Node Rebalanced-files size scanned failures skipped status >>> run >>> > time >>> > > > > > > > in >>> > > > > > > secs >>> > > > > > > > --------- ----------- ----------- ----------- ----------- >>> > > > > > > > ----------- >>> > > > > > > > ------------ -------------- >>> > > > > > > > localhost 86493 42.0GB 634302 0 0 completed 3329.00 >>> > > > > > > > gprfs029-10ge 94115 46.2GB 687852 0 0 completed 3328.00 >>> > > > > > > > gprfs030-10ge 74314 35.9GB 651943 0 0 completed 3072.00 >>> > > > > > > > gprfs032-10ge 0 0Bytes 594166 0 0 completed 1943.00 >>> > > > > > > > volume rebalance: rbperf: success: >>> > > > > > > > >>> > > > > > > > >>> > > > > > > > This is interesting. Thanks for sharing & well done! Maybe >>> we >>> > > > > > > > should >>> > > > > > > > attempt a much larger data set and see how we fare there >>> :). >>> > > > > > > > >>> > > > > > > > Regards, >>> > > > > > > > >>> > > > > > > > >>> > > > > > > > Vijay >>> > > > > > > > >>> > > > > > > > >>> > > > > > > > ______________________________ _________________ >>> > > > > > > > Gluster-devel mailing list >>> > > > > > > > Gluster-devel@gluster.org >>> > > > > > > > http://www.gluster.org/ mailman/listinfo/gluster-devel >>> > > > > > > > >>> > > > > > > > _______________________________________________ >>> > > > > > > > Gluster-devel mailing list >>> > > > > > > > Gluster-devel@gluster.org >>> > > > > > > > http://www.gluster.org/mailman/listinfo/gluster-devel >>> > > > > > > > _______________________________________________ >>> > > > > > > > Gluster-devel mailing list >>> > > > > > > > Gluster-devel@gluster.org >>> > > > > > > > http://www.gluster.org/mailman/listinfo/gluster-devel >>> > > > > > > > >>> > > > > > > >>> > > > > > >>> > > > > _______________________________________________ >>> > > > > Gluster-devel mailing list >>> > > > > Gluster-devel@gluster.org >>> > > > > http://www.gluster.org/mailman/listinfo/gluster-devel >>> > > > > >>> > > > _______________________________________________ >>> > > > Gluster-devel mailing list >>> > > > Gluster-devel@gluster.org >>> > > > http://www.gluster.org/mailman/listinfo/gluster-devel >>> > > > >>> > > >>> > >>> >> >> >
_______________________________________________ Gluster-devel mailing list Gluster-devel@gluster.org http://www.gluster.org/mailman/listinfo/gluster-devel