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compaction_picker_target_level
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compaction_picker_target_level
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init 1
----
init_cp
----
base: 6
queue
----
init 1
6: 1
----
init_cp
----
base: 6
queue
----
init 1
6: 1000000
----
init_cp
----
base: 1
queue
----
init 1
5: 1
6: 10
----
init_cp
----
base: 5
queue
----
L5->L6: 1.0
init 1
5: 2
6: 10
----
init_cp
----
base: 5
queue
----
L5->L6: 2.2
# Smoothing multiplier is
# `(size(Lbottom)/size(Lbase))^(Lbottom-Lbase) = (30/1)^(1/(6-4)) = 30^(1/2)`
#
# size(L4) = size(Lbase) = 1
# size(L5) = size(L4) * 30^(1/2) ~= 5
# size(L6) = size(L5) * 30^(1/2) = 30
init 1
5: 2
6: 30
----
init_cp
----
base: 4
queue
----
init 1
4: 2
5: 2
6: 100
----
init_cp
----
base: 4
queue
----
L4->L5: 10.0
init 1
4: 1
5: 2
6: 100
----
init_cp
----
base: 4
queue
----
L4->L5: 5.0
init 1
4: 1
5: 11
6: 100
----
init_cp
----
base: 4
queue
----
L5->L6: 1.1
init 1
4: 2
5: 11
6: 100
----
init_cp
----
base: 4
queue
----
L4->L5: 1.8
init 1
0: 4
----
init_cp
----
base: 6
queue
----
L0->L6: 200.0
init 1
0: 5
----
init_cp
----
base: 6
queue
----
L0->L6: 250.0
init 1
0: 5
5: 2
6: 10
----
init_cp
----
base: 5
queue
----
L5->L6: 3.2
pick
----
L5->L6: 3.2
pick ongoing=(5,6)
----
no compaction
init 1
0: 10
4: 10
5: 6
6: 10
----
init_cp
----
base: 4
queue
----
L4->L5: 10.0
L4->L5: 7.7
pick ongoing=(5,6)
----
L0->L4: 1.0
pick ongoing=(0,4)
----
L5->L6: 3.3
pick ongoing=(0,0,0,4)
----
no compaction
init_cp
----
base: 4
pick ongoing=(0,5)
----
no compaction
init 1
0: 20
6: 10
----
init_cp ongoing=(0,5)
----
base: 4
queue
----
L0->L4: 2000.0
pick
----
L0->L4: 2000.0
pick ongoing=(0,4)
----
no compaction
# We'll only pick a concurrent compaction if it is "high" priority
# (i.e. has a score >= highPriorityThreshold).
init 1
0: 20
5: 1
6: 10
----
init_cp ongoing=(0,4)
----
base: 4
queue
----
L0->L4: 2000.0
pick ongoing=(0,4,4,5)
----
no compaction
pick ongoing=(4,5)
----
L0->L4: 2000.0
# Verify we can start concurrent Ln->Ln+1 compactions given sufficient
# priority.
init 1
5: 4
6: 10
----
init_cp
----
base: 5
queue
----
L5->L6: 5.2
pick
----
L5->L6: 5.2
pick ongoing=(5,6)
----
no compaction
# Verify that successive manual compactions interleaved with an automatic
# compaction does not trigger an error.
init 5
0: 10
5: 10
6: 5
----
init_cp
----
base: 5
queue
----
L5->L6: 9.2
L5->L6: 6.9
pick_manual level=0 start=0 end=12
----
L0->L5, retryLater = false
pick
----
L5->L6: 9.2
# Assume the above two compactions (one manual L0 -> L5 and one automatic
# L5 -> L6) have run, and Lbase = L6 now, but the manual compaction code is
# still going to try running a manual compaction from L5 -> L6 since L5 was the
# output of the last manual compaction. No compaction should be picked.
init 5
0: 7
6: 5
----
init_cp
----
base: 5
pick_manual level=5 start=0 end=12
----
nil, retryLater = false