diff options
Diffstat (limited to 'Documentation/filesystems')
| -rw-r--r-- | Documentation/filesystems/nfs/index.rst | 1 | ||||
| -rw-r--r-- | Documentation/filesystems/nfs/localio.rst | 68 |
2 files changed, 35 insertions, 34 deletions
diff --git a/Documentation/filesystems/nfs/index.rst b/Documentation/filesystems/nfs/index.rst index 8536134f31fd..95c2c009874c 100644 --- a/Documentation/filesystems/nfs/index.rst +++ b/Documentation/filesystems/nfs/index.rst @@ -8,6 +8,7 @@ NFS client-identifier exporting + localio pnfs rpc-cache rpc-server-gss diff --git a/Documentation/filesystems/nfs/localio.rst b/Documentation/filesystems/nfs/localio.rst index 4637c0b34753..bd1967e2eab3 100644 --- a/Documentation/filesystems/nfs/localio.rst +++ b/Documentation/filesystems/nfs/localio.rst @@ -39,30 +39,30 @@ The performance advantage realized from LOCALIO's ability to bypass using XDR and RPC for reads, writes and commits can be extreme, e.g.: fio for 20 secs with directio, qd of 8, 16 libaio threads: -- With LOCALIO: - 4K read: IOPS=979k, BW=3825MiB/s (4011MB/s)(74.7GiB/20002msec) - 4K write: IOPS=165k, BW=646MiB/s (678MB/s)(12.6GiB/20002msec) - 128K read: IOPS=402k, BW=49.1GiB/s (52.7GB/s)(982GiB/20002msec) - 128K write: IOPS=11.5k, BW=1433MiB/s (1503MB/s)(28.0GiB/20004msec) - -- Without LOCALIO: - 4K read: IOPS=79.2k, BW=309MiB/s (324MB/s)(6188MiB/20003msec) - 4K write: IOPS=59.8k, BW=234MiB/s (245MB/s)(4671MiB/20002msec) - 128K read: IOPS=33.9k, BW=4234MiB/s (4440MB/s)(82.7GiB/20004msec) - 128K write: IOPS=11.5k, BW=1434MiB/s (1504MB/s)(28.0GiB/20011msec) + - With LOCALIO: + 4K read: IOPS=979k, BW=3825MiB/s (4011MB/s)(74.7GiB/20002msec) + 4K write: IOPS=165k, BW=646MiB/s (678MB/s)(12.6GiB/20002msec) + 128K read: IOPS=402k, BW=49.1GiB/s (52.7GB/s)(982GiB/20002msec) + 128K write: IOPS=11.5k, BW=1433MiB/s (1503MB/s)(28.0GiB/20004msec) + + - Without LOCALIO: + 4K read: IOPS=79.2k, BW=309MiB/s (324MB/s)(6188MiB/20003msec) + 4K write: IOPS=59.8k, BW=234MiB/s (245MB/s)(4671MiB/20002msec) + 128K read: IOPS=33.9k, BW=4234MiB/s (4440MB/s)(82.7GiB/20004msec) + 128K write: IOPS=11.5k, BW=1434MiB/s (1504MB/s)(28.0GiB/20011msec) fio for 20 secs with directio, qd of 8, 1 libaio thread: -- With LOCALIO: - 4K read: IOPS=230k, BW=898MiB/s (941MB/s)(17.5GiB/20001msec) - 4K write: IOPS=22.6k, BW=88.3MiB/s (92.6MB/s)(1766MiB/20001msec) - 128K read: IOPS=38.8k, BW=4855MiB/s (5091MB/s)(94.8GiB/20001msec) - 128K write: IOPS=11.4k, BW=1428MiB/s (1497MB/s)(27.9GiB/20001msec) - -- Without LOCALIO: - 4K read: IOPS=77.1k, BW=301MiB/s (316MB/s)(6022MiB/20001msec) - 4K write: IOPS=32.8k, BW=128MiB/s (135MB/s)(2566MiB/20001msec) - 128K read: IOPS=24.4k, BW=3050MiB/s (3198MB/s)(59.6GiB/20001msec) - 128K write: IOPS=11.4k, BW=1430MiB/s (1500MB/s)(27.9GiB/20001msec) + - With LOCALIO: + 4K read: IOPS=230k, BW=898MiB/s (941MB/s)(17.5GiB/20001msec) + 4K write: IOPS=22.6k, BW=88.3MiB/s (92.6MB/s)(1766MiB/20001msec) + 128K read: IOPS=38.8k, BW=4855MiB/s (5091MB/s)(94.8GiB/20001msec) + 128K write: IOPS=11.4k, BW=1428MiB/s (1497MB/s)(27.9GiB/20001msec) + + - Without LOCALIO: + 4K read: IOPS=77.1k, BW=301MiB/s (316MB/s)(6022MiB/20001msec) + 4K write: IOPS=32.8k, BW=128MiB/s (135MB/s)(2566MiB/20001msec) + 128K read: IOPS=24.4k, BW=3050MiB/s (3198MB/s)(59.6GiB/20001msec) + 128K write: IOPS=11.4k, BW=1430MiB/s (1500MB/s)(27.9GiB/20001msec) FAQ === @@ -174,21 +174,21 @@ The RPC program number for the NFS_LOCALIO_PROGRAM is 400122 (as assigned by IANA, see https://www.iana.org/assignments/rpc-program-numbers/ ): Linux Kernel Organization 400122 nfslocalio -The LOCALIO protocol spec in rpcgen syntax is: +The LOCALIO protocol spec in rpcgen syntax is:: -/* raw RFC 9562 UUID */ -#define UUID_SIZE 16 -typedef u8 uuid_t<UUID_SIZE>; + /* raw RFC 9562 UUID */ + #define UUID_SIZE 16 + typedef u8 uuid_t<UUID_SIZE>; -program NFS_LOCALIO_PROGRAM { - version LOCALIO_V1 { - void - NULL(void) = 0; + program NFS_LOCALIO_PROGRAM { + version LOCALIO_V1 { + void + NULL(void) = 0; - void - UUID_IS_LOCAL(uuid_t) = 1; - } = 1; -} = 400122; + void + UUID_IS_LOCAL(uuid_t) = 1; + } = 1; + } = 400122; LOCALIO uses the same transport connection as NFS traffic. As such, LOCALIO is not registered with rpcbind. |