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340 lines
7.0 KiB
Plaintext
340 lines
7.0 KiB
Plaintext
# Init a multi-level compaction, because multi level write amp is lower
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setup-inputs a a
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L1
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a.SET.1-b.SET.2 size=1
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L2
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a.SET.3-c.SET.4 size=1
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L3
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c.SET.3-d.SET.2 size=1
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----
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L1
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000001:[a#1,1-b#2,1]
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L2
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000002:[a#3,1-c#4,1]
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L3
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000003:[c#3,1-d#2,1]
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init-multi-level(1,2,3)
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Original WriteAmp 2.00; ML WriteAmp 1.50
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Original OverlappingRatio 1.00; ML OverlappingRatio 0.50
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# Verify that the input level size should not affect the decision to conduct a multi
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# level compaction.
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setup-inputs a a
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L1
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a.SET.1-b.SET.2 size=10
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L2
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a.SET.3-c.SET.4 size=1
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L3
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c.SET.3-d.SET.2 size=1
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----
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L1
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000001:[a#1,1-b#2,1]
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L2
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000002:[a#3,1-c#4,1]
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L3
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000003:[c#3,1-d#2,1]
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init-multi-level(1,2,3)
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Original WriteAmp 1.10; ML WriteAmp 1.09
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Original OverlappingRatio 0.10; ML OverlappingRatio 0.09
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# Don't init a multi-level compaction because write amp from multi level compaction is larger
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setup-inputs a a
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L1
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a.SET.1-b.SET.2 size=1
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L2
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a.SET.3-c.SET.4 size=1
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L3
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c.SET.3-d.SET.2 size=3
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----
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L1
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000001:[a#1,1-b#2,1]
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L2
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000002:[a#3,1-c#4,1]
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# Init a multi-level compaction, but note that the second files in L2 and L3 do not get
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# chosen, as they don't overlap with the original compaction.
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setup-inputs a a
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L1
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a.SET.1-b.SET.2 size=6
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L2
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a.SET.3-c.SET.4 size=5
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e.SET.1-h.SET.4 size=4
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L3
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c.SET.3-d.SET.2 size=6
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e.SET.2-h.SET.4 size=4
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----
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L1
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000001:[a#1,1-b#2,1]
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L2
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000002:[a#3,1-c#4,1]
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L3
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000004:[c#3,1-d#2,1]
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init-multi-level(1,2,3)
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Original WriteAmp 1.83; ML WriteAmp 1.55
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Original OverlappingRatio 0.83; ML OverlappingRatio 0.55
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# Init a multi-level compaction without an overlapping file in the lowest level.
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setup-inputs a a
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L1
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a.SET.1-b.SET.2 size=6
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L2 max-size=5
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a.SET.3-c.SET.4 size=5
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L3
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e.SET.3-f.SET.2 size=100
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----
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L1
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000001:[a#1,1-b#2,1]
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L2
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000002:[a#3,1-c#4,1]
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init-multi-level(1,2,3)
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Original WriteAmp 1.83; ML WriteAmp 1.00
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Original OverlappingRatio 0.83; ML OverlappingRatio 0.00
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# Init a multi-level compaction with no file in the lowest level.
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setup-inputs a a
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L1
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a.SET.1-b.SET.2 size=6
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L2
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a.SET.3-c.SET.4 size=5
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----
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L1
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000001:[a#1,1-b#2,1]
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L2
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000002:[a#3,1-c#4,1]
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init-multi-level(1,2,3)
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Original WriteAmp 1.83; ML WriteAmp 1.00
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Original OverlappingRatio 0.83; ML OverlappingRatio 0.00
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# Don't init a multi-level compaction, as the single level compaction results in a move (
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# write amp is 1) while the multi level compaction results in a Write Amp greater than 1
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setup-inputs a a
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L1
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a.SET.1-b.SET.2 size=6
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L2
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e.SET.3-f.SET.2 size=100
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L3
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a.SET.3-c.SET.4 size=5
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----
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L1
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000001:[a#1,1-b#2,1]
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# Init a multi-level compaction, without an overlapping file in the (tie goes to the ML compaction!)
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# intermediate and output levels
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setup-inputs a a
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L1
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a.SET.1-b.SET.2 size=6
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L2
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e.SET.3-f.SET.2 size=1
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L3
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e.SET.4-f.SET.5 size=5
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----
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L1
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000001:[a#1,1-b#2,1]
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init-multi-level(1,2,3)
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Original WriteAmp 1.00; ML WriteAmp 1.00
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Original OverlappingRatio 0.00; ML OverlappingRatio 0.00
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# Init a multi-level compaction which expands the intermediate level with a file that only
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# overlaps with the lowest level. (I.e. it gets included during second setupInputs call)
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setup-inputs a a
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L1
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a.SET.1-b.SET.2 size=3
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L2
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a.SET.2-b.SET.3 size=5
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c.SET.2-d.SET.3 size=3
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L3
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a.SET.3-c.SET.4 size=3
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----
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L1
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000001:[a#1,1-b#2,1]
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L2
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000002:[a#2,1-b#3,1]
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000003:[c#2,1-d#3,1]
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L3
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000004:[a#3,1-c#4,1]
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init-multi-level(1,2,3)
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Original WriteAmp 2.67; ML WriteAmp 1.27
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Original OverlappingRatio 1.67; ML OverlappingRatio 0.27
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# Init a multi-level compaction which DOES NOT expand the input level with a file that
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# only overlaps with the lowest level, even if it doesn't expand the output level keyspan.
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# TODO(msbutler): include this file in the compaction
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setup-inputs a a
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L1
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a.SET.1-b.SET.2 size=1
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c.SET.2-d.SET.3 size=10
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L2
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a.SET.2-b.SET.3 size=1
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L3
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a.SET.3-c.SET.4 size=1
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----
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L1
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000001:[a#1,1-b#2,1]
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L2
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000003:[a#2,1-b#3,1]
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L3
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000004:[a#3,1-c#4,1]
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init-multi-level(1,2,3)
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Original WriteAmp 2.00; ML WriteAmp 1.50
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Original OverlappingRatio 1.00; ML OverlappingRatio 0.50
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# Verify an expansion of the output level in the initial setupInputs will init a multi-level
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# compaction. i.e. without the initial expansion, the multil level compaction would not have
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# occurred.
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setup-inputs a a
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L1
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a.SET.5-b.SET.6 size=1
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L2
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a.SET.3-c.SET.4 size=1
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c.SET.3-d.SET.2 size=1
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L3
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c.SET.4-d.SET.4 size=3
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----
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L1
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000001:[a#5,1-b#6,1]
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L2
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000002:[a#3,1-c#4,1]
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000003:[c#3,1-d#2,1]
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L3
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000004:[c#4,1-d#4,1]
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init-multi-level(1,2,3)
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Original WriteAmp 3.00; ML WriteAmp 2.00
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Original OverlappingRatio 2.00; ML OverlappingRatio 1.00
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setup-inputs a a
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L1
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a.SET.5-b.SET.6 size=1
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L2
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a.SET.3-c.SET.4 size=1
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L3
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c.SET.4-d.SET.4 size=3
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----
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L1
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000001:[a#5,1-b#6,1]
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L2
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000002:[a#3,1-c#4,1]
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# Verify the second setupInputs call does not add an intermediate file if doing so would expand the
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# output level (i.e. the pc.grow logic).
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setup-inputs a a
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L1
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a.SET.1-b.SET.2 size=1
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L2
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a.SET.2-b.SET.3 size=1
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d.SET.2-f.SET.2 size=1
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L3
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b.SET.1-d.SET.1 size=1
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e.SET.4-f.SET.5 size=1
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----
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L1
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000001:[a#1,1-b#2,1]
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L2
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000002:[a#2,1-b#3,1]
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L3
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000004:[b#1,1-d#1,1]
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init-multi-level(1,2,3)
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Original WriteAmp 2.00; ML WriteAmp 1.50
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Original OverlappingRatio 1.00; ML OverlappingRatio 0.50
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# Verify the max number of input levels equals 2.
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setup-inputs a a
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L1
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a.SET.1-b.SET.2 size=6
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L2
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a.SET.3-c.SET.4 size=5
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L3
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c.SET.3-d.SET.2 size=2
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L4
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c.SET.4-d.SET.3 size=1
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----
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L1
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000001:[a#1,1-b#2,1]
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L2
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000002:[a#3,1-c#4,1]
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L3
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000003:[c#3,1-d#2,1]
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init-multi-level(1,2,3)
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Original WriteAmp 1.83; ML WriteAmp 1.18
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Original OverlappingRatio 0.83; ML OverlappingRatio 0.18
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# Don't init multi-level compaction if the max size limit exceeded by initial setupInputs.
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setup-inputs avail-bytes=10 a a
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L1
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a.SET.1-b.SET.2 size=6
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L2
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a.SET.5-b.SET.6 size=5
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L3
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a.SET.3-d.SET.4 size=3
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----
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L1
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000001:[a#1,1-b#2,1]
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L2
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000002:[a#5,1-b#6,1]
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# During second setupInputs call, allow output level expansion even if max size
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# limit is exceeded, but not conduct intermediate level expansion.
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#
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# TODO(msbutler): If second setup inputs exceeds maxSize limits, should the first compaction get
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# returned?
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setup-inputs avail-bytes=20 a a
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L1
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a.SET.1-b.SET.2 size=4
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L2
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a.SET.5-b.SET.6 size=5
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c.SET.4-e.SET.3 size=8
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L3
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a.SET.3-d.SET.4 size=2
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d.SET.2-e.SET.2 size=2
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----
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L1
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000001:[a#1,1-b#2,1]
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L2
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000002:[a#5,1-b#6,1]
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L3
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000004:[a#3,1-d#4,1]
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000005:[d#2,1-e#2,1]
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init-multi-level(1,2,3)
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Original WriteAmp 2.25; ML WriteAmp 1.44
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Original OverlappingRatio 1.25; ML OverlappingRatio 0.44
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# Don't init a multi-level compaction if the start level is L5.
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setup-inputs a a
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L5
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a.SET.1-b.SET.2 size=6
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L6
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a.SET.3-c.SET.4 size=5
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----
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L5
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000001:[a#1,1-b#2,1]
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L6
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000002:[a#3,1-c#4,1]
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# Don't init a multi-level compaction if the start level is L0.
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setup-inputs a a
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L0
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a.SET.1-b.SET.2 size=6
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L1
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a.SET.3-c.SET.4 size=5
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----
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L0
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000001:[a#1,1-b#2,1]
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L1
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000002:[a#3,1-c#4,1]
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# Verify a multi level compaction will not init on a compacting file.
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setup-inputs a a
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L1
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a.SET.1-b.SET.2 size=1
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L2
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a.SET.3-c.SET.4 size=1
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L3
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c.SET.3-d.SET.2 size=1 compacting
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----
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L1
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000001:[a#1,1-b#2,1]
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L2
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000002:[a#3,1-c#4,1]
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