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This change introduces a new performance test which does random reads
and writes, but instead of using `bssplit` to determine the block size,
it uses a fixed blocksize. Additionally, some new IO sizes are added to
other tests and timestamp data is recorded with the performance data.
Authored by: Ahmed Gahnem <[email protected]>
Reviewed by: Dan Kimmel <[email protected]>
Reviewed by: John Kennedy <[email protected]>
Reviewed-by: George Melikov <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Tony Nguyen <[email protected]>
Ported-by: John Kennedy <[email protected]>
Signed-off-by: John Wren Kennedy <[email protected]>
Requires-builders: perf
OpenZFS-issue: https://www.illumos.org/issues/9184
OpenZFS-commit: https://github.com/openzfs/openzfs/pull/659
External-issue: DLPX-46724
Closes #7660
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This adds a new test to measure ZIL performance.
- Adds the ability to induce IO delays with zinject
- Adds a new variable (PERF_NTHREADS_PER_FS) to allow fio threads to
be distributed to individual file systems as opposed to all IO going
to one, as happens elsewhere.
- Refactoring of do_fio_run
Authored by: Prakash Surya <[email protected]>
Reviewed by: Dan Kimmel <[email protected]>
Reviewed by: Matthew Ahrens <[email protected]>
Reviewed-by: George Melikov <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Ported-by: John Wren Kennedy <[email protected]>
OpenZFS-issue: https://www.illumos.org/issues/9082
OpenZFS-commit: https://github.com/openzfs/openzfs/pull/634
External-issue: DLPX-48625
Closes #7491
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This change adds a test for sequential reads out of the dbuf cache.
It's essentially a copy of sequential_reads_cached, using a smaller
data set. The sequential read tests are renamed to differentiate them.
Authored by: Dan Kimmel <[email protected]>
Reviewed by: Paul Dagnelie <[email protected]>
Reviewed by: Matt Ahrens <[email protected]>
Reviewed by: George Wilson <[email protected]>
Reviewed by: Brian Behlendorf <[email protected]>
Signed-off-by: John Wren Kennedy <[email protected]>
Closes #7225
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A prior commit changed test-runner to enable tagging
of testgroups within a test suite runfile. They must
be specified in each runfile. Update the runfile for
performance regressions so it is properly tagged.
Reviewed-by: George Melikov <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: Giuseppe Di Natale <[email protected]>
Closes #6830
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Author: John Wren Kennedy <[email protected]>
Reviewed by: Prakash Surya <[email protected]>
Reviewed by: Dan Kimmel <[email protected]>
Reviewed by: Matt Ahrens <[email protected]>
Reviewed by: Paul Dagnelie <[email protected]>
Reviewed by: Don Brady <[email protected]>
Reviewed by: Richard Elling <[email protected]>
Reviewed by: Brian Behlendorf <[email protected]>
Reviewed-by: David Quigley <[email protected]>
Approved by: Richard Lowe <[email protected]>
Ported-by: Don Brady <[email protected]>
OpenZFS-issue: https://www.illumos.org/issues/6950
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/dcbf3bd6
Delphix-commit: https://github.com/delphix/delphix-os/commit/978ed49
Closes #4929
ZFS Test Suite Performance Regression Tests
This was pulled into OpenZFS via the compressed arc featureand was
separated out in zfsonlinux as a separate pull request from PR-4768.
It originally came in as QA-4903 in Delphix-OS from John Kennedy.
Expected Usage:
$ DISKS="sdb sdc sdd" zfs-tests.sh -r perf-regression.run
Porting Notes:
1. Added assertions in the setup script to make sure required tools
(fio, mpstat, ...) are present.
2. For the config.json generation in perf.shlib used arcstats and
other binaries instead of dtrace to query the values.
3. For the perf data collection:
- use "zpool iostat -lpvyL" instead of the io.d dtrace script
(currently not collecting zfs_read/write latency stats)
- mpstat and iostat take different arguments
- prefetch_io.sh is a placeholder that uses arcstats instead of
dtrace
4. Build machines require fio, mdadm and sysstat pakage (YMMV).
Future Work:
- Need a way to measure zfs_read and zfs_write latencies per pool.
- Need tools to takes two sets of output and display/graph the
differences
- Bring over additional regression tests from Delphix
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