ceremonyclient/pebble/testdata/compaction_read_triggered
Cassandra Heart 2e2a1e4789
v1.2.0 (#31)
2024-01-03 01:31:42 -06:00

167 lines
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# A simple case of read compaction, 2 files in different levels with overlapping ranges
define
L5
a.SET.55:a b.SET.5:b
L6
a.SET.54:a b.SET.4:b
----
5:
000004:[a#55,SET-b#5,SET]
6:
000005:[a#54,SET-b#4,SET]
add-read-compaction
5: a-b 000004
----
show-read-compactions
----
(level: 5, start: a, end: b)
maybe-compact
----
[JOB 100] compacted(read) L5 [000004] (784B) Score=0.00 + L6 [000005] (784B) Score=0.00 -> L6 [000006] (778B), in 1.0s (2.0s total), output rate 778B/s
show-read-compactions
----
(none)
version
----
6:
000006:[a#0,SET-b#0,SET]
# Check to make sure another compaction will not take place
maybe-compact
----
(none)
# Case where there is an in-progress flush. No compaction should occur while flushing is true.
define
L5
a.SET.55:a b.SET.5:b
L6
a.SET.54:a b.SET.4:b
----
5:
000004:[a#55,SET-b#5,SET]
6:
000005:[a#54,SET-b#4,SET]
add-read-compaction flushing=true
5: a-b 000004
----
show-read-compactions
----
(level: 5, start: a, end: b)
maybe-compact
----
(none)
show-read-compactions
----
(level: 5, start: a, end: b)
version
----
5:
000004:[a#55,SET-b#5,SET]
6:
000005:[a#54,SET-b#4,SET]
add-read-compaction flushing=false
----
show-read-compactions
----
(level: 5, start: a, end: b)
maybe-compact
----
[JOB 100] compacted(read) L5 [000004] (784B) Score=0.00 + L6 [000005] (784B) Score=0.00 -> L6 [000006] (778B), in 1.0s (2.0s total), output rate 778B/s
show-read-compactions
----
(none)
version
----
6:
000006:[a#0,SET-b#0,SET]
# Test case where there is mismatch in the level of chosen read compaction and current version.
# In this case, we skip the compaction.
define
L5
a.SET.55:a b.SET.5:b
L6
a.SET.55:a b.SET.5:b
----
5:
000004:[a#55,SET-b#5,SET]
6:
000005:[a#55,SET-b#5,SET]
add-read-compaction
4: a-b 000004
----
show-read-compactions
----
(level: 4, start: a, end: b)
maybe-compact
----
(none)
show-read-compactions
----
(none)
version
----
5:
000004:[a#55,SET-b#5,SET]
6:
000005:[a#55,SET-b#5,SET]
# The read compaction range overlaps with the appropriate level, but
# the file number is different.
# So, we skip the compaction.
define
L5
a.SET.55:a b.SET.5:b
L6
a.SET.55:a b.SET.5:b
----
5:
000004:[a#55,SET-b#5,SET]
6:
000005:[a#55,SET-b#5,SET]
add-read-compaction
5: a-b 000003
----
show-read-compactions
----
(level: 5, start: a, end: b)
maybe-compact
----
(none)
show-read-compactions
----
(none)
version
----
5:
000004:[a#55,SET-b#5,SET]
6:
000005:[a#55,SET-b#5,SET]