GlusterFS座談会テクニカルセッション
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One of the presentations used in a discussion meeting about GlusterFS held on Sep. 14, 2011 in Japan. Ust: http://www.ustream.tv/channel/glusterfs Togetter: http://togetter.com/li/188183
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GlusterFS座談会テクニカルセッション
- 1. GlusterFS @keithseahus September 14, 2011
- 2. Agenda ! ! ! ! ! 2 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 3. Agenda ! ! ! ! ! 3 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 4. ! @keithseahus – ! @jincl16 – ! – NTTPC – – Gluster 4 4 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 5. from NTTPC ! @moromizu – ! @tk_hamaguchi – 5 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 6. Agenda ! ! ! ! ! 6 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 7. ! C ! 231,277 , 200 (*.c) – 8,693 7 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 8. ! ! shared object ! ! volum e 8 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 9. ! (glusterfsd) – storage/posix – protocol/server – performance/io-threads – features/locks ! (glusterfs) – protocol/client – cluster/dht – cluster/afr – cluster/storipe – performance/read-ahead – performance/io-cache – performance/quick-read – performance/stat-prefetch – performance/write-behind 9 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 10. storage/posix ! POSIX I/O ! – o-direct GF_OPTION_TYPE_BOOL – directory GF_OPTION_TYPE_PATH – export-statfs-size GF_OPTION_TYPE_BOOL – mandate-attribute GF_OPTION_TYPE_BOOL 10 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 11. protocol/server ! glusterfsd glusterfs ! – transport-type GF_OPTION_TYPE_STR • tcp|socket|ib-verbs|unix|ib-sdp|tcp/client|ib-verbs/client – volume-filename.* GF_OPTION_TYPE_PATH – inode-lru-limit GF_OPTION_TYPE_INT 0-(1 * GF_UNIT_MB – client-volume-filename GF_OPTION_TYPE_PATH 11 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 12. protocol/client ! glusterfs glusterfsd ! – username GF_OPTION_TYPE_ANY – password GF_OPTION_TYPE_ANY – transport-type GF_OPTION_TYPE_STR • tcp|socket|ib-verbs|unix|ib-sdp|tcp/client|ib-verbs/client – remote-host GF_OPTION_TYPE_ANY – remote-subvolume GF_OPTION_TYPE_ANY – transport-timeout GF_OPTION_TYPE_TIME • 5-1013 12 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 13. cluster/dht ! Elastic Hashing Algorithm • brick 32bit • 12 bricks – • brick1 = 1- 357913941 • brick2 = 357913942 - 715827883 • brick3 = 715827884 – 1073741823 • …brick12 = 3937053354 – 4294967295 • • /share/somefiles/data/glusterrules.txt = 815827884 • brick I/O • 13 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 14. cluster/afr ! Automatic File Replication ! self-heal ! – read-subvolume GF_OPTION_TYPE_XLATOR – favorite-child GF_OPTION_TYPE_XLATOR – data-self-heal GF_OPTION_TYPE_BOOL – metadata-self-heal GF_OPTION_TYPE_BOOL – entry-self-heal GF_OPTION_TYPE_BOOL – data-change-log GF_OPTION_TYPE_BOOL – metadata-change-log GF_OPTION_TYPE_BOOL – entry-change-log GF_OPTION_TYPE_BOOL – data-lock-server-count GF_OPTION_TYPE_INT 0 – metadata-lock-server-count GF_OPTION_TYPE_INT 0 – entry-lock-server-count GF_OPTION_TYPE_INT 0 14 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 15. afr - Gluster Native Clinet (FUSE) 15 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 16. afr - gNFS glusterfs = gNFS (gluste r NFS ) 16 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 17. cluster/stripe ! ! – block-size GF_OPTION_TYPE_ANY – use-xattr GF_OPTION_TYPE_BOOL 17 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 18. performance/read-ahead ! ! – force-atime-update GF_OPTION_TYPE_BOOL – page-size GF_OPTION_TYPE_SIZET • (64 * GF_UNIT_KB)-(2 * GF_UNIT_MB) – page-count GF_OPTION_TYPE_INT • 1-16 18 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 19. performance/io-cache ! ! – priority GF_OPTION_TYPE_ANY – cache-timeout (force-revalidate-timeout) GF_OPTION_TYPE_INT • 0-60 – page-size GF_OPTION_TYPE_SIZET • (16 * GF_UNIT_KB)-(4 * GF_UNIT_MB) – cache-size GF_OPTION_TYPE_SIZET • (4 * GF_UNIT_MB)-(6 * GF_UNIT_GB) 19 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 20. performance/quick-read ! ! open(), read (), close() 1 ! – cache-timeout GF_OPTION_TYPE_INT • 1-60 – max-file-size GF_OPTION_TYPE_SIZET • 0-(1000 * GF_UNIT_KB) 20 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 21. performance/stat-prefetch ! stat() dentry 21 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 22. performance/write-behind ! write() ! write() ! – flush-behind GF_OPTION_TYPE_BOOL – aggregate-size GF_OPTION_TYPE_SIZET • (128 * GF_UNIT_KB)-(4 * GF_UNIT_MB) – window-size GF_OPTION_TYPE_SIZET • (512 * GF_UNIT_KB)-(1 * GF_UNIT_GB) – enable-O_SYNC GF_OPTION_TYPE_BOOL – disable-for-first-nbytes GF_OPTION_TYPE_SIZET • 1 - (1 * GF_UNIT_MB) 22 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 23. performance/io-threads ! glusterfsd I/O ! glusterfs I/ O ! – thread-count GF_OPTION_TYPE_INT • 1-32 23 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 24. features/locks ! glusterfsd fcntl() flock() ! – mandatory-locks (mandatory) GF_OPTION_TYPE_BOOL 24 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 25. glusterd-volgen ! volume gluster 25 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 26. CLI ! – gluster peer {probe|detach|status|help} ! – gluster volume {create|delete|start|stop|set| info|add-brick|remove-brick|rebalance| replace-brick|log|sync|reset|profile|quota|top| geo-replication} 26 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 27. Agenda ! ! ! ! ! 27 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 28. ! CIFS – Samba + Native Client – – CTDB ! WebDAV – Apache httpd + Native Client ! iSCSI – iSCSI Enterprise Target + Native Client gNFS 28 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 29. 29 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 30. Agenda ! ! ! ! ! 30 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 31. ! – 1 ! – glusterfs-logrotate volume nfs.log logrotate.d orz ! self-heal – find hoge | xargs stat ls –lRf – entire-self-heal ! – GlusterFS QoS – tc 31 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 32. Agenda ! ! ! ! ! 32 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 33. ! glusterfs-1.3.x – symlink self-heal … ! glusterfs-2.0.x – write-behind … ! glusterfs-3.0.x – thin-provisioning 33 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 34. GlusterFS ! on Google Groups – http://groups.google.com/group/gluster-ja – @keithseahus + @thatsdone 34 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.
- 35. ! ! ! ! ! 35 Copyright © 2011 NTTPC Communications, Inc. And Gluster, Inc. All Rights Reserved.