fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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84 lines
2.7 KiB
84 lines
2.7 KiB
7 years ago
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[Rule "stall-too-many-memtables"]
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suggestions=inc-bg-flush:inc-write-buffer
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conditions=stall-too-many-memtables
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[Condition "stall-too-many-memtables"]
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source=LOG
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regex=Stopping writes because we have \d+ immutable memtables \(waiting for flush\), max_write_buffer_number is set to \d+
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[Rule "stall-too-many-L0"]
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suggestions=inc-max-subcompactions:inc-max-bg-compactions:inc-write-buffer-size:dec-max-bytes-for-level-base:inc-l0-slowdown-writes-trigger
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conditions=stall-too-many-L0
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[Condition "stall-too-many-L0"]
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source=LOG
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regex=Stalling writes because we have \d+ level-0 files
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[Rule "stop-too-many-L0"]
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suggestions=inc-max-bg-compactions:inc-write-buffer-size:inc-l0-stop-writes-trigger
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conditions=stop-too-many-L0
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[Condition "stop-too-many-L0"]
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source=LOG
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regex=Stopping writes because we have \d+ level-0 files
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[Rule "stall-too-many-compaction-bytes"]
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suggestions=inc-max-bg-compactions:inc-write-buffer-size:inc-hard-pending-compaction-bytes-limit:inc-soft-pending-compaction-bytes-limit
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conditions=stall-too-many-compaction-bytes
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[Condition "stall-too-many-compaction-bytes"]
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source=LOG
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regex=Stalling writes because of estimated pending compaction bytes \d+
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[Suggestion "inc-bg-flush"]
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option=DBOptions.max_background_flushes
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action=increase
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[Suggestion "inc-write-buffer"]
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option=CFOptions.max_write_buffer_number
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action=increase
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[Suggestion "inc-max-subcompactions"]
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option=DBOptions.max_subcompactions
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action=increase
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[Suggestion "inc-max-bg-compactions"]
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option=DBOptions.max_background_compactions
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action=increase
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[Suggestion "inc-write-buffer-size"]
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option=CFOptions.write_buffer_size
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action=increase
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[Suggestion "dec-max-bytes-for-level-base"]
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option=CFOptions.max_bytes_for_level_base
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action=decrease
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[Suggestion "inc-l0-slowdown-writes-trigger"]
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option=CFOptions.level0_slowdown_writes_trigger
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action=increase
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[Suggestion "inc-l0-stop-writes-trigger"]
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option=CFOptions.level0_stop_writes_trigger
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action=increase
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[Suggestion "inc-hard-pending-compaction-bytes-limit"]
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option=CFOptions.hard_pending_compaction_bytes_limit
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action=increase
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[Suggestion "inc-soft-pending-compaction-bytes-limit"]
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option=CFOptions.soft_pending_compaction_bytes_limit
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action=increase
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[Rule "level0-level1-ratio"]
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conditions=level0-level1-ratio
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suggestions=l0-l1-ratio-health-check
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[Condition "level0-level1-ratio"]
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source=OPTIONS
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options=CFOptions.level0_file_num_compaction_trigger:CFOptions.write_buffer_size:CFOptions.max_bytes_for_level_base
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evaluate=int(options[0])*int(options[1])-int(options[2])>=-268173312 # should evaluate to a boolean, condition triggered if evaluates to true
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[Suggestion "l0-l1-ratio-health-check"]
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description='modify options such that (level0_file_num_compaction_trigger * write_buffer_size - max_bytes_for_level_base < -268173312) is satisfied'
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