[
https://issues.apache.org/jira/browse/DRILL-5670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16164240#comment-16164240
]
Robert Hou commented on DRILL-5670:
-----------------------------------
I tried with disabling exchanges, and got a different error. It looks like
sort did not complete in this case.
{noformat}
ALTER SESSION SET `exec.sort.disable_managed` = false
alter session set `planner.memory.max_query_memory_per_node` = 482344960
alter session set `planner.width.max_per_node` = 1
alter session set `planner.width.max_per_query` = 1
alter session set `planner.disable_exchanges` = true
select count(*) from (select * from
dfs.`/drill/testdata/resource-manager/3500cols.tbl` order by
columns[450],columns[330],columns[230],columns[220],columns[110],columns[90],columns[80],columns[70],columns[40],columns[10],columns[20],columns[30],columns[40],columns[50],
columns[454],columns[413],columns[940],columns[834],columns[73],columns[140],columns[104],columns[2222],columns[30],columns[2420],columns[1520],
columns[1410],
columns[1110],columns[1290],columns[2380],columns[705],columns[45],columns[1054],columns[2430],columns[420],columns[404],columns[3350],
columns[3333],columns[153],columns[356],columns[84],columns[745],columns[1450],columns[103],columns[2065],columns[343],columns[3420],columns[530],
columns[3210] ) d where d.col433 = 'sjka skjf'
{noformat}
Here is the stack trace:
{noformat}
| 00-00 Screen
00-01 Project(EXPR$0=[$0])
00-02 StreamAgg(group=[{}], EXPR$0=[COUNT()])
00-03 Project($f0=[0])
00-04 SelectionVectorRemover
00-05 Filter(condition=[=(ITEM($0, 'col433'), 'sjka skjf')])
00-06 Project(T8¦¦*=[$0])
00-07 SelectionVectorRemover
00-08 Sort(sort0=[$1], sort1=[$2], sort2=[$3], sort3=[$4],
sort4=[$5], sort5=[$6], sort6=[$7], sort7=[$8], sort8=[$9], sort9=[$10],
sort10=[$11], sort11=[$12], sort12=[$9], sort13=[$13], sort14=[$14],
sort15=[$15], sort16=[$16], sort17=[$17], sort18=[$18], sort19=[$19],
sort20=[$20], sort21=[$21], sort22=[$12], sort23=[$22], sort24=[$23],
sort25=[$24], sort26=[$25], sort27=[$26], sort28=[$27], sort29=[$28],
sort30=[$29], sort31=[$30], sort32=[$31], sort33=[$32], sort34=[$33],
sort35=[$34], sort36=[$35], sort37=[$36], sort38=[$37], sort39=[$38],
sort40=[$39], sort41=[$40], sort42=[$41], sort43=[$42], sort44=[$43],
sort45=[$44], sort46=[$45], sort47=[$46], dir0=[ASC], dir1=[ASC], dir2=[ASC],
dir3=[ASC], dir4=[ASC], dir5=[ASC], dir6=[ASC], dir7=[ASC], dir8=[ASC],
dir9=[ASC], dir10=[ASC], dir11=[ASC], dir12=[ASC], dir13=[ASC], dir14=[ASC],
dir15=[ASC], dir16=[ASC], dir17=[ASC], dir18=[ASC], dir19=[ASC], dir20=[ASC],
dir21=[ASC], dir22=[ASC], dir23=[ASC], dir24=[ASC], dir25=[ASC], dir26=[ASC],
dir27=[ASC], dir28=[ASC], dir29=[ASC], dir30=[ASC], dir31=[ASC], dir32=[ASC],
dir33=[ASC], dir34=[ASC], dir35=[ASC], dir36=[ASC], dir37=[ASC], dir38=[ASC],
dir39=[ASC], dir40=[ASC], dir41=[ASC], dir42=[ASC], dir43=[ASC], dir44=[ASC],
dir45=[ASC], dir46=[ASC], dir47=[ASC])
00-09 Project(T8¦¦*=[$0], EXPR$1=[ITEM($1, 450)],
EXPR$2=[ITEM($1, 330)], EXPR$3=[ITEM($1, 230)], EXPR$4=[ITEM($1, 220)],
EXPR$5=[ITEM($1, 110)], EXPR$6=[ITEM($1, 90)], EXPR$7=[ITEM($1, 80)],
EXPR$8=[ITEM($1, 70)], EXPR$9=[ITEM($1, 40)], EXPR$10=[ITEM($1, 10)],
EXPR$11=[ITEM($1, 20)], EXPR$12=[ITEM($1, 30)], EXPR$13=[ITEM($1, 50)],
EXPR$14=[ITEM($1, 454)], EXPR$15=[ITEM($1, 413)], EXPR$16=[ITEM($1, 940)],
EXPR$17=[ITEM($1, 834)], EXPR$18=[ITEM($1, 73)], EXPR$19=[ITEM($1, 140)],
EXPR$20=[ITEM($1, 104)], EXPR$21=[ITEM($1, 2222)], EXPR$22=[ITEM($1, 2420)],
EXPR$23=[ITEM($1, 1520)], EXPR$24=[ITEM($1, 1410)], EXPR$25=[ITEM($1, 1110)],
EXPR$26=[ITEM($1, 1290)], EXPR$27=[ITEM($1, 2380)], EXPR$28=[ITEM($1, 705)],
EXPR$29=[ITEM($1, 45)], EXPR$30=[ITEM($1, 1054)], EXPR$31=[ITEM($1, 2430)],
EXPR$32=[ITEM($1, 420)], EXPR$33=[ITEM($1, 404)], EXPR$34=[ITEM($1, 3350)],
EXPR$35=[ITEM($1, 3333)], EXPR$36=[ITEM($1, 153)], EXPR$37=[ITEM($1, 356)],
EXPR$38=[ITEM($1, 84)], EXPR$39=[ITEM($1, 745)], EXPR$40=[ITEM($1, 1450)],
EXPR$41=[ITEM($1, 103)], EXPR$42=[ITEM($1, 2065)], EXPR$43=[ITEM($1, 343)],
EXPR$44=[ITEM($1, 3420)], EXPR$45=[ITEM($1, 530)], EXPR$46=[ITEM($1, 3210)])
00-10 Project(T8¦¦*=[$0], columns=[$1])
00-11 Scan(groupscan=[EasyGroupScan
[selectionRoot=maprfs:/drill/testdata/resource-manager/3500cols.tbl,
numFiles=1, columns=[`*`],
files=[maprfs:///drill/testdata/resource-manager/3500cols.tbl]]])
{noformat}
> Varchar vector throws an assertion error when allocating a new vector
> ---------------------------------------------------------------------
>
> Key: DRILL-5670
> URL: https://issues.apache.org/jira/browse/DRILL-5670
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Relational Operators
> Affects Versions: 1.11.0
> Reporter: Rahul Challapalli
> Assignee: Paul Rogers
> Fix For: 1.12.0
>
> Attachments: 26498995-bbad-83bc-618f-914c37a84e1f.sys.drill,
> 26555749-4d36-10d2-6faf-e403db40c370.sys.drill,
> 266290f3-5fdc-5873-7372-e9ee053bf867.sys.drill,
> 269969ca-8d4d-073a-d916-9031e3d3fbf0.sys.drill, drillbit.log, drillbit.log,
> drillbit.log, drillbit.log, drillbit.log, drillbit.log.sort, drillbit.out,
> drill-override.conf
>
>
> I am running this test on a private branch of [paul's
> repository|https://github.com/paul-rogers/drill]. Below is the commit info
> {code}
> git.commit.id.abbrev=d86e16c
> [email protected]
> git.commit.message.full=DRILL-5601\: Rollup of external sort fixes an
> improvements\n\n- DRILL-5513\: Managed External Sort \: OOM error during the
> merge phase\n- DRILL-5519\: Sort fails to spill and results in an OOM\n-
> DRILL-5522\: OOM during the merge and spill process of the managed external
> sort\n- DRILL-5594\: Excessive buffer reallocations during merge phase of
> external sort\n- DRILL-5597\: Incorrect "bits" vector allocation in nullable
> vectors allocateNew()\n- DRILL-5602\: Repeated List Vector fails to
> initialize the offset vector\n\nAll of the bugs have to do with handling
> low-memory conditions, and with\ncorrectly estimating the sizes of vectors,
> even when those vectors come\nfrom the spill file or from an exchange. Hence,
> the changes for all of\nthe above issues are interrelated.\n
> git.commit.id=d86e16c551e7d3553f2cde748a739b1c5a7a7659
> git.commit.message.short=DRILL-5601\: Rollup of external sort fixes an
> improvements
> git.commit.user.name=Paul Rogers
> git.build.user.name=Rahul Challapalli
> git.commit.id.describe=0.9.0-1078-gd86e16c
> [email protected]
> git.branch=d86e16c551e7d3553f2cde748a739b1c5a7a7659
> git.commit.time=05.07.2017 @ 20\:34\:39 PDT
> git.build.time=12.07.2017 @ 14\:27\:03 PDT
> [email protected]\:paul-rogers/drill.git
> {code}
> Below query fails with an Assertion Error
> {code}
> 0: jdbc:drill:zk=10.10.100.190:5181> ALTER SESSION SET
> `exec.sort.disable_managed` = false;
> +-------+-------------------------------------+
> | ok | summary |
> +-------+-------------------------------------+
> | true | exec.sort.disable_managed updated. |
> +-------+-------------------------------------+
> 1 row selected (1.044 seconds)
> 0: jdbc:drill:zk=10.10.100.190:5181> alter session set
> `planner.memory.max_query_memory_per_node` = 482344960;
> +-------+----------------------------------------------------+
> | ok | summary |
> +-------+----------------------------------------------------+
> | true | planner.memory.max_query_memory_per_node updated. |
> +-------+----------------------------------------------------+
> 1 row selected (0.372 seconds)
> 0: jdbc:drill:zk=10.10.100.190:5181> alter session set
> `planner.width.max_per_node` = 1;
> +-------+--------------------------------------+
> | ok | summary |
> +-------+--------------------------------------+
> | true | planner.width.max_per_node updated. |
> +-------+--------------------------------------+
> 1 row selected (0.292 seconds)
> 0: jdbc:drill:zk=10.10.100.190:5181> alter session set
> `planner.width.max_per_query` = 1;
> +-------+---------------------------------------+
> | ok | summary |
> +-------+---------------------------------------+
> | true | planner.width.max_per_query updated. |
> +-------+---------------------------------------+
> 1 row selected (0.25 seconds)
> 0: jdbc:drill:zk=10.10.100.190:5181> select count(*) from (select * from
> dfs.`/drill/testdata/resource-manager/3500cols.tbl` order by
> columns[450],columns[330],columns[230],columns[220],columns[110],columns[90],columns[80],columns[70],columns[40],columns[10],columns[20],columns[30],columns[40],columns[50],
>
> columns[454],columns[413],columns[940],columns[834],columns[73],columns[140],columns[104],columns[2222],columns[30],columns[2420],columns[1520],
> columns[1410],
> columns[1110],columns[1290],columns[2380],columns[705],columns[45],columns[1054],columns[2430],columns[420],columns[404],columns[3350],
>
> columns[3333],columns[153],columns[356],columns[84],columns[745],columns[1450],columns[103],columns[2065],columns[343],columns[3420],columns[530],
> columns[3210] ) d where d.col433 = 'sjka skjf';
> Error: RESOURCE ERROR: External Sort encountered an error while spilling to
> disk
> Fragment 2:0
> [Error Id: 26b55576-1a5c-4756-96d6-fbec25eecf03 on qa-node190.qa.lab:31010]
> (java.lang.AssertionError) null
> org.apache.drill.exec.vector.VarCharVector.allocateNew():400
> org.apache.drill.exec.vector.RepeatedVarCharVector.allocateNew():272
>
> org.apache.drill.exec.vector.AllocationHelper.allocatePrecomputedChildCount():37
> org.apache.drill.exec.vector.AllocationHelper.allocate():44
> org.apache.drill.exec.record.SmartAllocationHelper.allocateVector():117
> org.apache.drill.exec.record.SmartAllocationHelper.allocateVector():97
> org.apache.drill.exec.record.SmartAllocationHelper.allocateBatch():87
>
> org.apache.drill.exec.physical.impl.xsort.managed.PriorityQueueCopierWrapper$BatchMerger.next():262
>
> org.apache.drill.exec.physical.impl.xsort.managed.SpilledRuns.doMergeAndSpill():171
>
> org.apache.drill.exec.physical.impl.xsort.managed.SpilledRuns.safeMergeAndSpill():138
>
> org.apache.drill.exec.physical.impl.xsort.managed.SpilledRuns.mergeAndSpill():91
>
> org.apache.drill.exec.physical.impl.xsort.managed.SortImpl.spillFromMemory():298
> org.apache.drill.exec.physical.impl.xsort.managed.SortImpl.addBatch():191
>
> org.apache.drill.exec.physical.impl.xsort.managed.ExternalSortBatch.loadBatch():402
>
> org.apache.drill.exec.physical.impl.xsort.managed.ExternalSortBatch.load():338
>
> org.apache.drill.exec.physical.impl.xsort.managed.ExternalSortBatch.innerNext():290
> org.apache.drill.exec.record.AbstractRecordBatch.next():162
>
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next():225
> org.apache.drill.exec.record.AbstractRecordBatch.next():119
> org.apache.drill.exec.record.AbstractRecordBatch.next():109
> org.apache.drill.exec.record.AbstractSingleRecordBatch.innerNext():51
>
> org.apache.drill.exec.physical.impl.svremover.RemovingRecordBatch.innerNext():93
> org.apache.drill.exec.record.AbstractRecordBatch.next():162
>
> org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next():225
> org.apache.drill.exec.physical.impl.BaseRootExec.next():105
>
> org.apache.drill.exec.physical.impl.SingleSenderCreator$SingleSenderRootExec.innerNext():92
> org.apache.drill.exec.physical.impl.BaseRootExec.next():95
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run():234
> org.apache.drill.exec.work.fragment.FragmentExecutor$1.run():227
> java.security.AccessController.doPrivileged():-2
> javax.security.auth.Subject.doAs():415
> org.apache.hadoop.security.UserGroupInformation.doAs():1595
> org.apache.drill.exec.work.fragment.FragmentExecutor.run():227
> org.apache.drill.common.SelfCleaningRunnable.run():38
> java.util.concurrent.ThreadPoolExecutor.runWorker():1145
> java.util.concurrent.ThreadPoolExecutor$Worker.run():615
> java.lang.Thread.run():745 (state=,code=0)
> {code}
> The data set is too large to attach here. Logs and profiles are attached
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