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Assorted fixes for the performance tests

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- Bail out early if we're running the perf tests and forget to
  specify disks.
- Allow perf tests to run with any number of disks.
- Remove weekly vs. nightly settings
- Move variables with common values to perf.shlib
- Use zinject to clear the ARC over export/import
- Fix dbuf cache size calculation

When the meaning of `dbuf_cache_max_bytes` changed, the performance
test that covers the dbuf cache started to fail. The test would try to
write files for the test using the max possible size of the cache,
inevitably filling the pool and failing. This change uses
`dbuf_cache_shift` to correctly calculate the dbuf cache size.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Tony Nguyen <tony.nguyen@delphix.com>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: John Kennedy <john.kennedy@delphix.com>
Closes #12408
This commit is contained in:
John Wren Kennedy
2021-07-26 15:47:08 -06:00
committed by GitHub
parent d8381f50d6
commit bdd2bfd02c
14 changed files with 128 additions and 269 deletions
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tests/zfs-tests/include/tunables.cfg
+1 -1
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@@ -27,7 +27,7 @@ COMPRESSED_ARC_ENABLED compressed_arc_enabled zfs_compressed_arc_enabled
CONDENSE_INDIRECT_COMMIT_ENTRY_DELAY_MS condense.indirect_commit_entry_delay_ms zfs_condense_indirect_commit_entry_delay_ms
CONDENSE_INDIRECT_OBSOLETE_PCT condense.indirect_obsolete_pct zfs_condense_indirect_obsolete_pct
CONDENSE_MIN_MAPPING_BYTES condense.min_mapping_bytes zfs_condense_min_mapping_bytes
DBUF_CACHE_MAX_BYTES dbuf_cache.max_bytes dbuf_cache_max_bytes
DBUF_CACHE_SHIFT dbuf.cache_shift dbuf_cache_shift
DEADMAN_CHECKTIME_MS deadman.checktime_ms zfs_deadman_checktime_ms
DEADMAN_FAILMODE deadman.failmode zfs_deadman_failmode
DEADMAN_SYNCTIME_MS deadman.synctime_ms zfs_deadman_synctime_ms