[
https://issues.apache.org/jira/browse/LUCENE-6386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14392282#comment-14392282
]
Shai Erera commented on LUCENE-6386:
------------------------------------
Right, therefore I still think we consume up to 2X additional space? When we
build level2, we have source + level1 + level2. When level2 is complete, we
delete level1, and so we have source + level2. When we build level3 (the CFS),
we have source + level2 + level3. No?
> TestIndexWriterForceMerge still unreliable in NIGHTLY
> -----------------------------------------------------
>
> Key: LUCENE-6386
> URL: https://issues.apache.org/jira/browse/LUCENE-6386
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Robert Muir
> Assignee: Michael McCandless
> Fix For: Trunk, 5.1
>
> Attachments: LUCENE-6386.patch
>
>
> Discovered by ryan beasting (trunk):
> ant test -Dtestcase=TestIndexWriterForceMerge
> -Dtests.method=testForceMergeTempSpaceUsage -Dtests.seed=DC9ADB74850A581B
> -Dtests.multiplier=2 -Dtests.nightly=true -Dtests.slow=true
> -Dtests.locale=sr__#Latn -Dtests.timezone=Indian/Chagos -Dtests.asserts=true
> -Dtests.file.encoding=US-ASCII
> {noformat}
> [junit4] 2> NOTE: reproduce with: ant test
> -Dtestcase=TestIndexWriterForceMerge
> -Dtests.method=testForceMergeTempSpaceUsage -Dtests.seed=DC9ADB74850A581B
> -Dtests.multiplier=2 -Dtests.nightly=true -Dtests.slow=true
> -Dtests.locale=sr__#Latn -Dtests.timezone=Indian/Chagos -Dtests.asserts=true
> -Dtests.file.encoding=US-ASCII
> [junit4] FAILURE 1.20s |
> TestIndexWriterForceMerge.testForceMergeTempSpaceUsage <<<
> [junit4] > Throwable #1: java.lang.AssertionError: forceMerge used too
> much temporary space: starting usage was 291570 bytes; final usage was 262469
> bytes; max temp usage was 1079501 but should have been 874710 (= 3X starting
> usage), BEFORE=
> [junit4] > _u.scf 146329
> [junit4] > _u.si 635
> [junit4] > |- (inside compound file) _u.fld 2214
> [junit4] > |- (inside compound file) _u.inf 392
> [junit4] > |- (inside compound file) _u.len 2381
> [junit4] > |- (inside compound file) _u.pst 36758
> [junit4] > |- (inside compound file) _u.vec 104144
> [junit4] > _s.pst 1338
> [junit4] > _s.inf 392
> [junit4] > _s.fld 94
> [junit4] > _s.len 221
> [junit4] > _s.vec 3744
> [junit4] > _s.si 624
> [junit4] > _t.fld 94
> [junit4] > _t.len 221
> [junit4] > _t.pst 1338
> [junit4] > _t.inf 392
> [junit4] > _t.vec 3744
> [junit4] > _t.si 624
> [junit4] > _v.fld 94
> [junit4] > _v.pst 1338
> [junit4] > _v.inf 392
> [junit4] > _v.vec 3744
> [junit4] > _v.si 624
> [junit4] > _v.len 221
> [junit4] > _w.len 221
> [junit4] > _w.pst 1338
> [junit4] > _w.inf 392
> [junit4] > _w.fld 94
> [junit4] > _w.si 624
> [junit4] > _w.vec 3744
> [junit4] > _x.vec 3744
> [junit4] > _x.inf 392
> [junit4] > _x.pst 1338
> [junit4] > _x.fld 94
> [junit4] > _x.si 624
> [junit4] > _x.len 221
> [junit4] > _y.fld 94
> [junit4] > _y.pst 1338
> [junit4] > _y.inf 392
> [junit4] > _y.si 624
> [junit4] > _y.vec 3744
> [junit4] > _y.len 221
> [junit4] > _z.fld 94
> [junit4] > _z.pst 1338
> [junit4] > _z.inf 392
> [junit4] > _z.len 221
> [junit4] > _z.vec 3744
> [junit4] > _z.si 624
> [junit4] > _10.si 630
> [junit4] > _10.fld 94
> [junit4] > _10.pst 1338
> [junit4] > _10.inf 392
> [junit4] > _10.vec 3744
> [junit4] > _10.len 221
> [junit4] > _11.len 221
> [junit4] > _11.si 630
> [junit4] > _11.vec 3744
> [junit4] > _11.pst 1338
> [junit4] > _11.inf 392
> [junit4] > _11.fld 94
> [junit4] > _12.vec 3744
> [junit4] > _12.si 630
> [junit4] > _12.len 221
> [junit4] > _12.fld 94
> [junit4] > _12.pst 1338
> [junit4] > _12.inf 392
> [junit4] > _13.fld 94
> [junit4] > _13.vec 3744
> [junit4] > _13.si 630
> [junit4] > _13.pst 1338
> [junit4] > _13.inf 392
> [junit4] > _13.len 221
> [junit4] > _14.fld 94
> [junit4] > _14.pst 1338
> [junit4] > _14.inf 392
> [junit4] > _14.si 630
> [junit4] > _14.vec 3744
> [junit4] > _14.len 221
> [junit4] > _15.len 221
> [junit4] > _15.vec 3744
> [junit4] > _15.si 630
> [junit4] > _15.pst 1338
> [junit4] > _15.inf 392
> [junit4] > _15.fld 94
> [junit4] > _16.vec 3744
> [junit4] > _16.len 221
> [junit4] > _16.fld 94
> [junit4] > _16.si 630
> [junit4] > _16.pst 1338
> [junit4] > _16.inf 392
> [junit4] > _17.vec 3744
> [junit4] > _17.pst 1338
> [junit4] > _17.inf 392
> [junit4] > _17.len 221
> [junit4] > _17.si 630
> [junit4] > _17.fld 94
> [junit4] > _18.pst 1338
> [junit4] > _18.inf 392
> [junit4] > _18.len 221
> [junit4] > _18.vec 3744
> [junit4] > _18.si 630
> [junit4] > _18.fld 94
> [junit4] > _19.fld 94
> [junit4] > _19.si 630
> [junit4] > _19.len 221
> [junit4] > _19.vec 3744
> [junit4] > _19.pst 1338
> [junit4] > _19.inf 392
> [junit4] > _1a.fld 94
> [junit4] > _1a.pst 1338
> [junit4] > _1a.inf 392
> [junit4] > _1a.len 221
> [junit4] > _1a.vec 3744
> [junit4] > _1a.si 630
> [junit4] > _1b.fld 94
> [junit4] > _1b.si 630
> [junit4] > _1b.pst 1338
> [junit4] > _1b.inf 392
> [junit4] > _1b.vec 3744
> [junit4] > _1b.len 221
> [junit4] > _1c.vec 3744
> [junit4] > _1c.pst 1338
> [junit4] > _1c.inf 392
> [junit4] > _1c.fld 94
> [junit4] > _1c.len 221
> [junit4] > _1c.si 630
> [junit4] > _1d.pst 1338
> [junit4] > _1d.inf 392
> [junit4] > _1d.fld 94
> [junit4] > _1d.len 221
> [junit4] > _1d.vec 3744
> [junit4] > _1d.si 630
> [junit4] > _1e.fld 94
> [junit4] > _1e.pst 1338
> [junit4] > _1e.inf 392
> [junit4] > _1e.len 221
> [junit4] > _1e.vec 3744
> [junit4] > _1e.si 630
> [junit4] > _1f.fld 40
> [junit4] > _1f.pst 195
> [junit4] > _1f.inf 392
> [junit4] > _1f.len 149
> [junit4] > _1f.vec 405
> [junit4] > _1f.si 629
> [junit4] > AFTER=
> [junit4] > _1j.si 635
> [junit4] > _1j.scf 261701
> [junit4] > |- (inside compound file) _1j.fld 3982
> [junit4] > |- (inside compound file) _1j.inf 392
> [junit4] > |- (inside compound file) _1j.len 4149
> [junit4] > |- (inside compound file) _1j.pst 66151
> [junit4] > |- (inside compound file) _1j.vec 186577
> [junit4] > at
> __randomizedtesting.SeedInfo.seed([DC9ADB74850A581B:C6581887EB1ABBDC]:0)
> [junit4] > at
> org.apache.lucene.index.TestIndexWriterForceMerge.testForceMergeTempSpaceUsage(TestIndexWriterForceMerge.java:199)
> [junit4] > at java.lang.Thread.run(Thread.java:745)
> [junit4] 2> NOTE: test params are: codec=SimpleText,
> sim=RandomSimilarityProvider(queryNorm=false,coord=no): {id=IB SPL-D2,
> content=DFR I(F)B1}, locale=sr__#Latn, timezone=Indian/Chagos
> [junit4] 2> NOTE: Linux 3.13.0-45-generic amd64/Oracle Corporation
> 1.8.0_40-ea (64-bit)/cpus=8,threads=1,free=208092000,total=253231104
> [junit4] 2> NOTE: All tests run in this JVM: [TestIndexWriterForceMerge]
> [junit4] Completed in 1.54s, 1 test, 1 failure <<< FAILURES!
> {noformat}
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