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https://issues.apache.org/jira/browse/RATIS-197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16355802#comment-16355802
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Mukul Kumar Singh commented on RATIS-197:
-----------------------------------------
Added some debug logging and determined that the reads were failing because of
{code}
org.apache.ratis.shaded.io.grpc.StatusRuntimeException: INTERNAL: Frame size
16777607 exceeds maximum: 4194304. If this is normal, increase the
maxMessageSize in the channel/server builder
{code}
In order to support bigger key sizes, max message size should be supported by
NettyChannelBuilder as well.
> Reads are failing in Ozone for keys of size greater than 4MB
> ------------------------------------------------------------
>
> Key: RATIS-197
> URL: https://issues.apache.org/jira/browse/RATIS-197
> Project: Ratis
> Issue Type: Bug
> Affects Versions: 0.2.0-alpha
> Reporter: Mukul Kumar Singh
> Assignee: Mukul Kumar Singh
> Priority: Major
> Fix For: 0.2.0-alpha
>
>
> Read of keys are failing in Ozone with the following exception.
> {code}
> an 23, 2018 6:25:44 AM
> org.apache.ratis.shaded.io.grpc.netty.NettyServerHandler onStreamError
> WARNING: Stream Error
> org.apache.ratis.shaded.io.netty.handler.codec.http2.Http2Exception$StreamException:
> Stream closed before write could take place
> at
> org.apache.ratis.shaded.io.netty.handler.codec.http2.Http2Exception.streamError(Http2Exception.java:149)
> at
> org.apache.ratis.shaded.io.netty.handler.codec.http2.DefaultHttp2RemoteFlowController$FlowState.cancel(DefaultHttp2RemoteFlowController.java:487)
> at
> org.apache.ratis.shaded.io.netty.handler.codec.http2.DefaultHttp2RemoteFlowController$FlowState.cancel(DefaultHttp2RemoteFlowController.java:468)
> at
> org.apache.ratis.shaded.io.netty.handler.codec.http2.DefaultHttp2RemoteFlowController$1.onStreamClosed(DefaultHttp2RemoteFlowController.java:103)
> at
> org.apache.ratis.shaded.io.netty.handler.codec.http2.DefaultHttp2Connection.notifyClosed(DefaultHttp2Connection.java:343)
> at
> org.apache.ratis.shaded.io.netty.handler.codec.http2.DefaultHttp2Connection$ActiveStreams.removeFromActiveStreams(DefaultHttp2Connection.java:1151)
> at
> org.apache.ratis.shaded.io.netty.handler.codec.http2.DefaultHttp2Connection$ActiveStreams.deactivate(DefaultHttp2Connection.java:1099)
> at
> org.apache.ratis.shaded.io.netty.handler.codec.http2.DefaultHttp2Connection$DefaultStream.close(DefaultHttp2Connection.java:521)
> at
> org.apache.ratis.shaded.io.netty.handler.codec.http2.DefaultHttp2Connection.close(DefaultHttp2Connection.java:149)
> at
> org.apache.ratis.shaded.io.netty.handler.codec.http2.Http2ConnectionHandler$BaseDecoder.channelInactive(Http2ConnectionHandler.java:181)
> at
> org.apache.ratis.shaded.io.netty.handler.codec.http2.Http2ConnectionHandler.channelInactive(Http2ConnectionHandler.java:372)
> at
> org.apache.ratis.shaded.io.grpc.netty.NettyServerHandler.channelInactive(NettyServerHandler.java:280)
> at
> org.apache.ratis.shaded.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:255)
> at
> org.apache.ratis.shaded.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:241)
> at
> org.apache.ratis.shaded.io.netty.channel.AbstractChannelHandlerContext.fireChannelInactive(AbstractChannelHandlerContext.java:234)
> at
> org.apache.ratis.shaded.io.netty.channel.DefaultChannelPipeline$HeadContext.channelInactive(DefaultChannelPipeline.java:1329)
> at
> org.apache.ratis.shaded.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:255)
> at
> org.apache.ratis.shaded.io.netty.channel.AbstractChannelHandlerContext.invokeChannelInactive(AbstractChannelHandlerContext.java:241)
> at
> org.apache.ratis.shaded.io.netty.channel.DefaultChannelPipeline.fireChannelInactive(DefaultChannelPipeline.java:908)
> at
> org.apache.ratis.shaded.io.netty.channel.AbstractChannel$AbstractUnsafe$7.run(AbstractChannel.java:744)
> at
> org.apache.ratis.shaded.io.netty.util.concurrent.SingleThreadEventExecutor.safeExecute(SingleThreadEventExecutor.java:451)
> at
> org.apache.ratis.shaded.io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:418)
> at
> org.apache.ratis.shaded.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:401)
> at
> org.apache.ratis.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:877)
> at
> org.apache.ratis.shaded.io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144)
> at java.lang.Thread.run(Thread.java:745)
> {code}
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