RozoFS KPI’s edition 1.4 27/04/2014. © Fizians 2014 - Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 2 RozoFS high level architecture.

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Transcription de la présentation:

RozoFS KPI’s edition /04/2014

© Fizians Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 2 RozoFS high level architecture RozoFSmount storcli Storio DskThread Fuse VFS AF-UNIX+ shared Memory channel IO request Dispatcher Storio DskThread IO request Dispatcher Local FS (i.e: XFS RozoFSmount storcli AF-UNIX+ shared Memory channel File system 1 File system 2 TCP/IP SAS/SATA

© Fizians Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 3 RozoFS client components Rozofsmount:  There is one rozofsmount per exported file system towards RozoFS  Acts as a dispatcher for metadata requests and I/O requests  metadata operations are forwarded to an exportd (metadata server)  I/O operations are load balanced towards storcli process  By default each rozofsmount owns 2 storcli processes  characteristics  32/64 requests in parallel  File system block size : 4K(default), 8K and 16K Storcli  Take care of the read,write and truncate requests  Provides erasure encoding/decoding  Control the communication with the storage nodes (storio)  characteristics  32/64 requests in parallel  512 TCP connections (towards storage nodes)

© Fizians Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 4 Storage virtual node: storio Storio  the storage node performs the input/output operations:  Read/write of the projections associated with a file under the control of a storcli  Projection file deletion  Projection file truncate  Each storage node includes:  An I/O dispatcher: –Dispatches the I/O requests among the disk threads –Handle the TCP connections coming for the storcli  A thread pool: –Performs the read/write towards the local file system –The disk thread are built around a blocking architecture  Storio Characteristics:  Non blocking architecture  768 TCP connections max.  16 requests in parallel  16 disk threads

© Fizians Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 5 Some RozoFS deployment information Rozofsmount and storio can share the same hardware platform More than one rozofsmount can be deployed on the same hardware  It is typically the case when RozoFS exports more than one file system  However, for a given hardware there is only one rozofsmount per exported file system Erasure coding and read/write control is achieved by storcli processes  The number of storcli associated per rozosmount is configurable(max:4) The number of storio processes is configurable  The storio can be shared by the several exported file system (configuration)  At the extreme is might be possible to associate one storio per disk  From a networking standpoint, a storio is identified by an and port  By default all the storio of a server share the same

© Fizians Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 6 RozoFS Filesystem KPI Storio DskThread Fuse VFS IO request Dispatcher Local FS (i.e: XFS RozoFSmount storcli File system 1 TCP/IP SAS/SATA POSIX KPI Read/write KPI Disk KPI Disk timing KPI next

© Fizians Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 7 ROZOFSMOUNT KPIs back

© Fizians Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 8 STORCLI KPI: read/write and truncate back

© Fizians Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 9 STORIO KPI: Disk threads performances back

© Fizians Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 10 STORIO KPI (con’t) : disks detailed timing back

© Fizians Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 11 RozoFS Network KPI Storio DskThread Fuse VFS IO request Dispatcher Local FS (i.e: XFS RozoFSmount storcli File system 1 TCP/IP SAS/SATA Network_interface KPI Storaged TCP KPI Disk KPI RPC transactions statistics next

© Fizians Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 12 ROZOFSMOUNT lbg_entries/tcp_info back

© Fizians Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 13 ROZOFSMOUNT transactions KPI back

© Fizians Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 14 STORCLI lbg_entries/tcp_info back

© Fizians Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 15 Per module CPU information Storio DskThread Fuse VFS IO request Dispatcher Local FS (i.e: XFS RozoFSmount storcli File system 1 TCP/IP SAS/SATA Storcli CPU Storio CPU Rozofsmount CPU

© Fizians Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 16 ROZOSMOUNT: cpu information back

© Fizians Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 17 STORCLI: cpu usage back

© Fizians Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 18 STORIO: cpu usage back

© Fizians Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 19 EXPORTD KPI Exportd Deletion mgt Volume Mgt Fuse VFS request Dispatcher Local FS (i.e: ext4) RozoFSmount storcli File system 1 TCP/IP SAS/SSD Metadata mgt Metadata KPI Per volume statistics

© Fizians Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 20 EXPORTD profiler back

© Fizians Ce document ne peut être reproduit ou communiqué sans autorisation écrite. 21 Per volume statistics back