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f29f3873ea
It is tested on FreeBSD 10.2-RELEASE and Linux (ZFS on Linux 0.6.5.4). On FreeBSD, Solaris, etc. ZFS metrics are exposed through sysctls. ZFS on Linux exposes the same metrics through procfs `/proc/spl/...`. In addition to sysctl metrics, 'computed metrics' are exposed by the collector, which are based on several sysctl values. There is some conditional logic involved in computing these metrics which cannot be easily mapped to PromQL. Not all 92 ARC sysctls are exposed right now but this can be changed with one additional LOC each.
79 lines
3.5 KiB
Plaintext
79 lines
3.5 KiB
Plaintext
kstat.zfs.misc.arcstats.arc_meta_max: 1503210048
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kstat.zfs.misc.arcstats.arc_meta_limit: 393216000
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kstat.zfs.misc.arcstats.arc_meta_used: 392649848
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kstat.zfs.misc.arcstats.duplicate_reads: 0
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kstat.zfs.misc.arcstats.duplicate_buffers_size: 0
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kstat.zfs.misc.arcstats.duplicate_buffers: 0
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kstat.zfs.misc.arcstats.memory_throttle_count: 0
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kstat.zfs.misc.arcstats.l2_write_buffer_list_null_iter: 0
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kstat.zfs.misc.arcstats.l2_write_buffer_list_iter: 0
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kstat.zfs.misc.arcstats.l2_write_buffer_bytes_scanned: 0
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kstat.zfs.misc.arcstats.l2_write_pios: 0
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kstat.zfs.misc.arcstats.l2_write_buffer_iter: 0
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kstat.zfs.misc.arcstats.l2_write_full: 0
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kstat.zfs.misc.arcstats.l2_write_not_cacheable: 29425
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kstat.zfs.misc.arcstats.l2_write_io_in_progress: 0
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kstat.zfs.misc.arcstats.l2_write_in_l2: 0
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kstat.zfs.misc.arcstats.l2_write_spa_mismatch: 0
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kstat.zfs.misc.arcstats.l2_write_passed_headroom: 0
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kstat.zfs.misc.arcstats.l2_write_trylock_fail: 0
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kstat.zfs.misc.arcstats.l2_compress_failures: 0
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kstat.zfs.misc.arcstats.l2_compress_zeros: 0
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kstat.zfs.misc.arcstats.l2_compress_successes: 0
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kstat.zfs.misc.arcstats.l2_hdr_size: 0
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kstat.zfs.misc.arcstats.l2_asize: 0
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kstat.zfs.misc.arcstats.l2_size: 0
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kstat.zfs.misc.arcstats.l2_io_error: 0
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kstat.zfs.misc.arcstats.l2_cksum_bad: 0
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kstat.zfs.misc.arcstats.l2_abort_lowmem: 0
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kstat.zfs.misc.arcstats.l2_cdata_free_on_write: 0
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kstat.zfs.misc.arcstats.l2_free_on_write: 0
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kstat.zfs.misc.arcstats.l2_evict_reading: 0
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kstat.zfs.misc.arcstats.l2_evict_lock_retry: 0
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kstat.zfs.misc.arcstats.l2_writes_hdr_miss: 0
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kstat.zfs.misc.arcstats.l2_writes_error: 0
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kstat.zfs.misc.arcstats.l2_writes_done: 0
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kstat.zfs.misc.arcstats.l2_writes_sent: 0
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kstat.zfs.misc.arcstats.l2_write_bytes: 0
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kstat.zfs.misc.arcstats.l2_read_bytes: 0
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kstat.zfs.misc.arcstats.l2_rw_clash: 0
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kstat.zfs.misc.arcstats.l2_feeds: 0
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kstat.zfs.misc.arcstats.l2_misses: 0
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kstat.zfs.misc.arcstats.l2_hits: 0
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kstat.zfs.misc.arcstats.other_size: 166832272
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kstat.zfs.misc.arcstats.data_size: 1200779776
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kstat.zfs.misc.arcstats.hdr_size: 27244008
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kstat.zfs.misc.arcstats.size: 1394856056
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kstat.zfs.misc.arcstats.c_max: 1572864000
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kstat.zfs.misc.arcstats.c_min: 196608000
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kstat.zfs.misc.arcstats.c: 1470553736
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kstat.zfs.misc.arcstats.p: 665524427
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kstat.zfs.misc.arcstats.hash_chain_max: 7
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kstat.zfs.misc.arcstats.hash_chains: 14180
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kstat.zfs.misc.arcstats.hash_collisions: 2180398
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kstat.zfs.misc.arcstats.hash_elements_max: 238188
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kstat.zfs.misc.arcstats.hash_elements: 111458
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kstat.zfs.misc.arcstats.evict_l2_ineligible: 60262400
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kstat.zfs.misc.arcstats.evict_l2_eligible: 35702978560
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kstat.zfs.misc.arcstats.evict_l2_cached: 0
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kstat.zfs.misc.arcstats.evict_skip: 21716568
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kstat.zfs.misc.arcstats.mutex_miss: 873
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kstat.zfs.misc.arcstats.recycle_miss: 5018771
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kstat.zfs.misc.arcstats.stolen: 1327563
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kstat.zfs.misc.arcstats.deleted: 1187256
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kstat.zfs.misc.arcstats.allocated: 10150518
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kstat.zfs.misc.arcstats.mfu_ghost_hits: 1408986
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kstat.zfs.misc.arcstats.mfu_hits: 51952454
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kstat.zfs.misc.arcstats.mru_ghost_hits: 696819
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kstat.zfs.misc.arcstats.mru_hits: 11115835
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kstat.zfs.misc.arcstats.prefetch_metadata_misses: 32
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kstat.zfs.misc.arcstats.prefetch_metadata_hits: 2
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kstat.zfs.misc.arcstats.prefetch_data_misses: 0
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kstat.zfs.misc.arcstats.prefetch_data_hits: 0
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kstat.zfs.misc.arcstats.demand_metadata_misses: 9231542
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kstat.zfs.misc.arcstats.demand_metadata_hits: 40650947
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kstat.zfs.misc.arcstats.demand_data_misses: 75230
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kstat.zfs.misc.arcstats.demand_data_hits: 22417340
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kstat.zfs.misc.arcstats.misses: 9306804
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kstat.zfs.misc.arcstats.hits: 63068289
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