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https://issues.apache.org/jira/browse/DRILL-3673?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Victoria Markman resolved DRILL-3673.
-------------------------------------
Resolution: Fixed
> Memory leak in parquet writer on CTAS
> -------------------------------------
>
> Key: DRILL-3673
> URL: https://issues.apache.org/jira/browse/DRILL-3673
> Project: Apache Drill
> Issue Type: Bug
> Components: Storage - Writer
> Affects Versions: 1.2.0
> Reporter: Victoria Markman
> Assignee: Deneche A. Hakim
> Priority: Critical
> Fix For: 1.2.0
>
> Attachments: 10000_rows.dat, ctas.sh
>
>
> First CTAS executes successfully, second runs out of memory.
> If I change storage.format to 'csv' this problem goes away.
> {code}
> 0: jdbc:drill:schema=dfs> create table lineitem as select
> . . . . . . . . . . . . > cast(columns[0] as int) l_orderkey,
> . . . . . . . . . . . . > cast(columns[1] as int) l_partkey,
> . . . . . . . . . . . . > cast(columns[2] as int) l_suppkey,
> . . . . . . . . . . . . > cast(columns[3] as int) l_linenumber,
> . . . . . . . . . . . . > cast(columns[4] as double) l_quantity,
> . . . . . . . . . . . . > cast(columns[5] as double) l_extendedprice,
> . . . . . . . . . . . . > cast(columns[6] as double) l_discount,
> . . . . . . . . . . . . > cast(columns[7] as double) l_tax,
> . . . . . . . . . . . . > cast(columns[8] as varchar(200)) l_returnflag,
> . . . . . . . . . . . . > cast(columns[9] as varchar(200)) l_linestatus,
> . . . . . . . . . . . . > cast(columns[10] as date) l_shipdate,
> . . . . . . . . . . . . > cast(columns[11] as date) l_commitdate,
> . . . . . . . . . . . . > cast(columns[12] as date) l_receiptdate,
> . . . . . . . . . . . . > cast(columns[13] as varchar(200))
> l_shipinstruct,
> . . . . . . . . . . . . > cast(columns[14] as varchar(200)) l_shipmode,
> . . . . . . . . . . . . > cast(columns[15] as varchar(200)) l_comment
> . . . . . . . . . . . . > from `lineitem.dat`;
> +-----------+----------------------------+
> | Fragment | Number of records written |
> +-----------+----------------------------+
> | 1_9 | 2084034 |
> | 1_18 | 2083936 |
> | 1_7 | 2083619 |
> | 1_6 | 2083933 |
> | 1_8 | 2084177 |
> | 1_21 | 2084148 |
> | 1_17 | 2084039 |
> | 1_16 | 2083863 |
> | 1_13 | 2083740 |
> | 1_20 | 2083774 |
> | 1_22 | 2083954 |
> | 1_10 | 2083929 |
> | 1_19 | 2083804 |
> | 1_11 | 2084107 |
> | 1_12 | 2083968 |
> | 1_14 | 2084002 |
> | 1_15 | 2083988 |
> | 1_5 | 3633178 |
> | 1_1 | 4184330 |
> | 1_3 | 4184246 |
> | 1_0 | 4192872 |
> | 1_2 | 4184342 |
> | 1_4 | 4180069 |
> +-----------+----------------------------+
> 23 rows selected (89.147 seconds)
> 0: jdbc:drill:schema=dfs> select * from sys.memory;
> +--------------------+------------+---------------+-------------+-----------------+---------------------+-------------+
> | hostname | user_port | heap_current | heap_max |
> direct_current | jvm_direct_current | direct_max |
> +--------------------+------------+---------------+-------------+-----------------+---------------------+-------------+
> | atsqa4-133.qa.lab | 31010 | 305725032 | 4294967296 | 9799113
> | 5570050038 | 8589934592 |
> +--------------------+------------+---------------+-------------+-----------------+---------------------+-------------+
> 1 row selected (0.225 seconds)
> *****************************
> *** Delete line item file ***
> *****************************
> 0: jdbc:drill:schema=dfs> create table lineitem as select
> . . . . . . . . . . . . > cast(columns[0] as int) l_orderkey,
> . . . . . . . . . . . . > cast(columns[1] as int) l_partkey,
> . . . . . . . . . . . . > cast(columns[2] as int) l_suppkey,
> . . . . . . . . . . . . > cast(columns[3] as int) l_linenumber,
> . . . . . . . . . . . . > cast(columns[4] as double) l_quantity,
> . . . . . . . . . . . . > cast(columns[5] as double) l_extendedprice,
> . . . . . . . . . . . . > cast(columns[6] as double) l_discount,
> . . . . . . . . . . . . > cast(columns[7] as double) l_tax,
> . . . . . . . . . . . . > cast(columns[8] as varchar(200)) l_returnflag,
> . . . . . . . . . . . . > cast(columns[9] as varchar(200)) l_linestatus,
> . . . . . . . . . . . . > cast(columns[10] as date) l_shipdate,
> . . . . . . . . . . . . > cast(columns[11] as date) l_commitdate,
> . . . . . . . . . . . . > cast(columns[12] as date) l_receiptdate,
> . . . . . . . . . . . . > cast(columns[13] as varchar(200))
> l_shipinstruct,
> . . . . . . . . . . . . > cast(columns[14] as varchar(200)) l_shipmode,
> . . . . . . . . . . . . > cast(columns[15] as varchar(200)) l_comment
> . . . . . . . . . . . . > from `lineitem.dat`;
> java.lang.RuntimeException: java.sql.SQLException: RESOURCE ERROR: One or
> more nodes ran out of memory while executing the query.
> Fragment 1:1
> [Error Id: 18befee1-e0e9-4e76-b72a-f8180d5f190a on atsqa4-133.qa.lab:31010]
> at sqlline.IncrementalRows.hasNext(IncrementalRows.java:73)
> at
> sqlline.TableOutputFormat$ResizingRowsProvider.next(TableOutputFormat.java:87)
> at sqlline.TableOutputFormat.print(TableOutputFormat.java:118)
> at sqlline.SqlLine.print(SqlLine.java:1583)
> at sqlline.Commands.execute(Commands.java:852)
> at sqlline.Commands.sql(Commands.java:751)
> at sqlline.SqlLine.dispatch(SqlLine.java:738)
> at sqlline.SqlLine.begin(SqlLine.java:612)
> at sqlline.SqlLine.start(SqlLine.java:366)
> at sqlline.SqlLine.main(SqlLine.java:259)
> 0: jdbc:drill:schema=dfs> select * from sys.memory;
> +--------------------+------------+---------------+-------------+-----------------+---------------------+-------------+
> | hostname | user_port | heap_current | heap_max |
> direct_current | jvm_direct_current | direct_max |
> +--------------------+------------+---------------+-------------+-----------------+---------------------+-------------+
> | atsqa4-133.qa.lab | 31010 | 772476800 | 4294967296 | 483060536
> | 7113553910 | 8589934592 |
> +--------------------+------------+---------------+-------------+-----------------+---------------------+-------------+
> 1 row selected (0.179 seconds)
> {code}
> To reproduce:
> 1. Vanilla single node drill
> 2. DRILL_MAX_DIRECT_MEMORY="8G"
> DRILL_HEAP="4G"
> 3. To create lineitem.dat:
> Download attached 1000_rows.dat
> Download attached ctas.sh
> chmod +x ctas.sh
> ./ctas.sh
> 4. Run following SQL statement:
> {code}
> create table lineitem as select
> cast(columns[0] as int) l_orderkey,
> cast(columns[1] as int) l_partkey,
> cast(columns[2] as int) l_suppkey,
> cast(columns[3] as int) l_linenumber,
> cast(columns[4] as double) l_quantity,
> cast(columns[5] as double) l_extendedprice,
> cast(columns[6] as double) l_discount,
> cast(columns[7] as double) l_tax,
> cast(columns[8] as varchar(200)) l_returnflag,
> cast(columns[9] as varchar(200)) l_linestatus,
> cast(columns[10] as date) l_shipdate,
> cast(columns[11] as date) l_commitdate,
> cast(columns[12] as date) l_receiptdate,
> cast(columns[13] as varchar(200)) l_shipinstruct,
> cast(columns[14] as varchar(200)) l_shipmode,
> cast(columns[15] as varchar(200)) l_comment
> from `lineitem.dat`;
> {code}
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