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https://issues.apache.org/jira/browse/DRILL-6724?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16622187#comment-16622187
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ASF GitHub Bot commented on DRILL-6724:
---------------------------------------
KazydubB commented on issue #1455: DRILL-6724: Dump operator context to logs
when error occurs during query execution
URL: https://github.com/apache/drill/pull/1455#issuecomment-423220735
@vdiravka I've addressed your comments, could you take a look, please?
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> Dump operator context to logs when error occurs during query execution
> ----------------------------------------------------------------------
>
> Key: DRILL-6724
> URL: https://issues.apache.org/jira/browse/DRILL-6724
> Project: Apache Drill
> Issue Type: Improvement
> Affects Versions: 1.14.0
> Reporter: Bohdan Kazydub
> Assignee: Bohdan Kazydub
> Priority: Major
> Fix For: 1.15.0
>
>
> * Sometimes when an error occurs it may be helpful to have operator stack
> with context data along with original stacktrace to help developers to track
> down a failure. To achieve this, each operator should provide a context which
> can be dumped to logs. In the end of FragmentExecutor's execution if the
> state is FAILED the operator stack will be dumped to logs before exception
> stacktrace.
>
> Dump example for case
> [DRILL-6670|https://issues.apache.org/jira/projects/DRILL/issues/DRILL-6670]
> (*Operator dump started* and *Operator dump completed* designate start and
> end of dump respectively):
> {code}
> ...
> 2018-09-17 08:26:34,392 [24609ac4-80f6-b318-7296-ee53c406a9f6:frag:0:0] INFO
> o.a.d.e.w.fragment.FragmentExecutor -
> 24609ac4-80f6-b318-7296-ee53c406a9f6:0:0: State change requested RUNNING -->
> FAILED
> 2018-09-17 08:26:34,392 [24609ac4-80f6-b318-7296-ee53c406a9f6:frag:0:0] INFO
> o.a.d.e.physical.impl.BaseRootExec - Operator dump started.
> 2018-09-17 08:26:34,392 [24609ac4-80f6-b318-7296-ee53c406a9f6:frag:0:0] INFO
> o.a.d.e.p.i.p.ProjectRecordBatch - ProjectRecordBatch[projector=null,
> hasRemainder=false, remainderIndex=0, recordCount=0]
> 2018-09-17 08:26:34,392 [24609ac4-80f6-b318-7296-ee53c406a9f6:frag:0:0] INFO
> o.a.d.exec.physical.impl.ScanBatch -
> ScanBatch[container=org.apache.drill.exec.record.VectorContainer@383d6f45[recordCount
> = 0, schemaChanged = true, schema = null, wrappers = [], ...],
> currentReader=ParquetRecordReader[File=/home/mapr/example.parquet, Row group
> index=0, Records in row group=1, Total records read=-1,
> MetadataParquetMetaData{FileMetaData{schema: message schema {
> optional binary name (UTF8);
> optional binary creation_parameters (UTF8);
> optional int64 creation_date (TIMESTAMP_MICROS);
> optional int32 data_version;
> optional int32 schema_version;
> }
> , metadata: \{pandas={"index_columns": [], "column_indexes": [], "columns":
> [{"name": "name", "field_name": "name", "pandas_type": "unicode",
> "numpy_type": "object", "metadata": null}, \{"name": "creation_parameters",
> "field_name": "creation_parameters", "pandas_type": "unicode", "numpy_type":
> "object", "metadata": null}, \{"name": "creation_date", "field_name":
> "creation_date", "pandas_type": "datetime", "numpy_type": "datetime64[ns]",
> "metadata": null}, \{"name": "data_version", "field_name": "data_version",
> "pandas_type": "int32", "numpy_type": "int32", "metadata": null}, \{"name":
> "schema_version", "field_name": "schema_version", "pandas_type": "int32",
> "numpy_type": "int32", "metadata": null}], "pandas_version": "0.21.0"}}},
> blocks: [BlockMetaData\{1, 331 [ColumnMetaData{SNAPPY [name] optional binary
> name (UTF8) [PLAIN, PLAIN_DICTIONARY, RLE], 27}, ColumnMetaData\{SNAPPY
> [creation_parameters] optional binary creation_parameters (UTF8) [PLAIN,
> PLAIN_DICTIONARY, RLE], 140}, ColumnMetaData\{SNAPPY [creation_date] optional
> int64 creation_date (TIMESTAMP_MICROS) [PLAIN, PLAIN_DICTIONARY, RLE], 267},
> ColumnMetaData\{SNAPPY [data_version] optional int32 data_version [PLAIN,
> PLAIN_DICTIONARY, RLE], 430}, ColumnMetaData\{SNAPPY [schema_version]
> optional int32 schema_version [PLAIN, PLAIN_DICTIONARY, RLE], 567}]}]}],
> schema=null]
> 2018-09-17 08:26:34,392 [24609ac4-80f6-b318-7296-ee53c406a9f6:frag:0:0] INFO
> o.a.d.e.physical.impl.BaseRootExec - Operator dump completed.
> 2018-09-17 08:26:34,392 [24609ac4-80f6-b318-7296-ee53c406a9f6:frag:0:0] INFO
> o.a.d.e.w.fragment.FragmentExecutor -
> 24609ac4-80f6-b318-7296-ee53c406a9f6:0:0: State change requested FAILED -->
> FINISHED
> ...
> {code}
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