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https://issues.apache.org/jira/browse/DRILL-2865?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Victoria Markman updated DRILL-2865:
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Attachment: scritpts.tar
> Drillbit runs out of memory on multiple consecutive CTAS
> --------------------------------------------------------
>
> Key: DRILL-2865
> URL: https://issues.apache.org/jira/browse/DRILL-2865
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 0.9.0
> Reporter: Victoria Markman
> Attachments: drillbit.log, scritpts.tar
>
>
> Hardware configuration:
> - single node
> - 64GB RAM
> Drill configuration
> DRILL_MAX_DIRECT_MEMORY="8G"
> DRILL_MAX_HEAP="4G"
> `planner.enable_multiphase_agg` = false;
> `store.parquet.block-size` = 134217728;
> `planner.enable_mux_exchange` = false;
> `exec.min_hash_table_size` = 67108864;
> `planner.enable_hashagg` = true;
> `planner.width.max_per_node` = 23;
> Aggregation query on TPCDS scale factor 1:
> {code}
> select
> ss_sold_date_sk ,
> ss_sold_time_sk ,
> ss_item_sk ,
> ss_customer_sk ,
> ss_cdemo_sk,
> count(*) from store_sales
> group by
> ss_sold_date_sk ,
> ss_sold_time_sk ,
> ss_item_sk ,
> ss_customer_sk ,
> ss_cdemo_sk
> ;
> {code}
> 1. Executing CTAS with this query and store.format = 'parquet' fails on
> iteration #9 with this configuration consistently
> 2. Ran query by itself: 47 iterations successfully
> 3. Ran CTAS with this query and store.format = 'csv': - 30 iterations did not
> reproduce the problem
> Attached:
> - drillbit.log
> - scripts.tar (contains script that reproduces OOM)
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