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Posted to hdfs-dev@hadoop.apache.org by "Aravindan Vijayan (Jira)" <ji...@apache.org> on 2019/09/19 05:08:00 UTC
[jira] [Created] (HDDS-2151) Ozone client prints the entire request
payload in DEBUG level.
Aravindan Vijayan created HDDS-2151:
---------------------------------------
Summary: Ozone client prints the entire request payload in DEBUG level.
Key: HDDS-2151
URL: https://issues.apache.org/jira/browse/HDDS-2151
Project: Hadoop Distributed Data Store
Issue Type: Bug
Reporter: Aravindan Vijayan
In XceiverClientRatis.java:221, we have the following snippet where we have a DEBUG line that prints out the entire Container Request proto.
{code}
ContainerCommandRequestProto finalPayload =
ContainerCommandRequestProto.newBuilder(request)
.setTraceID(TracingUtil.exportCurrentSpan())
.build();
boolean isReadOnlyRequest = HddsUtils.isReadOnly(finalPayload);
ByteString byteString = finalPayload.toByteString();
LOG.debug("sendCommandAsync {} {}", isReadOnlyRequest, finalPayload);
return isReadOnlyRequest ?
getClient().sendReadOnlyAsync(() -> byteString) :
getClient().sendAsync(() -> byteString);
{code}
This causes OOM while writing large (~300MB) keys.
{code}
SLF4J: Failed toString() invocation on an object of type [org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos$ContainerCommandRequestProto]
Reported exception:
java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:3332)
at java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:124)
at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:649)
at java.lang.StringBuilder.append(StringBuilder.java:202)
at org.apache.ratis.thirdparty.com.google.protobuf.TextFormatEscaper.escapeBytes(TextFormatEscaper.java:75)
at org.apache.ratis.thirdparty.com.google.protobuf.TextFormatEscaper.escapeBytes(TextFormatEscaper.java:94)
at org.apache.ratis.thirdparty.com.google.protobuf.TextFormat.escapeBytes(TextFormat.java:1836)
at org.apache.ratis.thirdparty.com.google.protobuf.TextFormat$Printer.printFieldValue(TextFormat.java:436)
at org.apache.ratis.thirdparty.com.google.protobuf.TextFormat$Printer.printSingleField(TextFormat.java:376)
at org.apache.ratis.thirdparty.com.google.protobuf.TextFormat$Printer.printField(TextFormat.java:338)
at org.apache.ratis.thirdparty.com.google.protobuf.TextFormat$Printer.print(TextFormat.java:325)
at org.apache.ratis.thirdparty.com.google.protobuf.TextFormat$Printer.printFieldValue(TextFormat.java:449)
at org.apache.ratis.thirdparty.com.google.protobuf.TextFormat$Printer.printSingleField(TextFormat.java:376)
at org.apache.ratis.thirdparty.com.google.protobuf.TextFormat$Printer.printField(TextFormat.java:338)
at org.apache.ratis.thirdparty.com.google.protobuf.TextFormat$Printer.print(TextFormat.java:325)
at org.apache.ratis.thirdparty.com.google.protobuf.TextFormat$Printer.access$000(TextFormat.java:307)
at org.apache.ratis.thirdparty.com.google.protobuf.TextFormat.print(TextFormat.java:68)
at org.apache.ratis.thirdparty.com.google.protobuf.TextFormat.printToString(TextFormat.java:148)
at org.apache.ratis.thirdparty.com.google.protobuf.AbstractMessage.toString(AbstractMessage.java:117)
at org.slf4j.helpers.MessageFormatter.safeObjectAppend(MessageFormatter.java:299)
at org.slf4j.helpers.MessageFormatter.deeplyAppendParameter(MessageFormatter.java:271)
at org.slf4j.helpers.MessageFormatter.arrayFormat(MessageFormatter.java:233)
at org.slf4j.helpers.MessageFormatter.arrayFormat(MessageFormatter.java:173)
at org.slf4j.helpers.MessageFormatter.format(MessageFormatter.java:151)
at org.slf4j.impl.Log4jLoggerAdapter.debug(Log4jLoggerAdapter.java:252)
at org.apache.hadoop.hdds.scm.XceiverClientRatis.sendRequestAsync(XceiverClientRatis.java:221)
at org.apache.hadoop.hdds.scm.XceiverClientRatis.sendCommandAsync(XceiverClientRatis.java:302)
at org.apache.hadoop.hdds.scm.storage.ContainerProtocolCalls.writeChunkAsync(ContainerProtocolCalls.java:310)
at org.apache.hadoop.hdds.scm.storage.BlockOutputStream.writeChunkToContainer(BlockOutputStream.java:601)
at org.apache.hadoop.hdds.scm.storage.BlockOutputStream.writeChunk(BlockOutputStream.java:459)
at org.apache.hadoop.hdds.scm.storage.BlockOutputStream.write(BlockOutputStream.java:240)
at org.apache.hadoop.ozone.client.io.BlockOutputStreamEntry.write(BlockOutputStreamEntry.java:129)
SLF4J: Failed toString() invocation on an object of type [org.apache.hadoop.hdds.protocol.datanode.proto.ContainerProtos$ContainerCommandRequestProto]
Reported exception:
java.lang.OutOfMemoryError: Java heap space
{code}
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