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https://issues.apache.org/jira/browse/DRILL-2795?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jacques Nadeau resolved DRILL-2795.
-----------------------------------
Resolution: Fixed
Resolved as part of c0d5a69
> Group-By query on TPC-DS SF100 produces results but does not terminate due to
> exception
> ---------------------------------------------------------------------------------------
>
> Key: DRILL-2795
> URL: https://issues.apache.org/jira/browse/DRILL-2795
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Flow
> Affects Versions: 0.9.0
> Reporter: Aman Sinha
> Assignee: Jacques Nadeau
>
> The following simplified group-by query with limit on TPC-DS SF100 eventually
> produces results (the performance seems too slow for this scale factor) but
> does not terminate. The log files show an IllegalStateException. I found
> that after that first minute or so, all cpu's on the cluster show 99% idle
> time.
> {code}
> alter session set `planner.slice_target` = 100;
> select cr_call_center_sk , cr_catalog_page_sk , cr_item_sk , cr_reason_sk ,
> cr_refunded_addr_sk , cr_refunded_customer_sk from catalog_returns_dri100
> group by cr_call_center_sk, cr_catalog_page_sk, cr_item_sk, cr_reason_sk,
> cr_refunded_addr_sk, cr_refunded_customer_sk limit 10;
> {code}
> Cardinality of the table is relatively small:
> {code}
> 0: jdbc:drill:schema=dfs.tpcds> select count(*) from catalog_returns_dri100;
> +------------+
> | EXPR$0 |
> +------------+
> | 14404374 |
> +------------+
> {code}
> {code}
> 2015-04-14 15:41:55,163 ucs-node17.perf.lab [BitServer-3] ERROR
> o.a.d.exec.rpc.RpcExceptionHandler - Exception in pipeline. Closing channel
> between local /10.10.120.117:31011 and
> remote /10.10.120.109:34899
> io.netty.handler.codec.DecoderException: java.lang.IllegalStateException: Get
> Runnable can only be run once.
> at
> io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:99)
> [netty-codec-4.0.24.Final.jar:4.0.24.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
> at
> io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
> [netty-codec-4.0.24.Final.jar:4.0.24.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
> at
> io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:161)
> [netty-codec-4.0.24.Final.jar:4.0.24.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
> at
> io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
> at
> io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:787)
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
> at
> io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:130)
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
> at
> io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
> at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
> [netty-transport-4.0.24.Final.jar:4.0.24.Final]
> {code}
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