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From "Nilotpal Nandi (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDDS-1082) OutOfMemoryError while reading key
Date Mon, 11 Feb 2019 11:35:00 GMT
Nilotpal Nandi created HDDS-1082:
------------------------------------

             Summary: OutOfMemoryError while reading key
                 Key: HDDS-1082
                 URL: https://issues.apache.org/jira/browse/HDDS-1082
             Project: Hadoop Distributed Data Store
          Issue Type: Bug
            Reporter: Nilotpal Nandi


steps taken :

--------------------
 # put key with size 100GB
 # Tried to read back the key.

error thrown:

------------------------------
{noformat}
java.lang.OutOfMemoryError: Java heap space
Dumping heap to /tmp/heapdump.bin ...
Heap dump file created [3883178021 bytes in 10.667 secs]
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
 at org.apache.ratis.thirdparty.com.google.protobuf.ByteString.toByteArray(ByteString.java:643)
 at org.apache.hadoop.ozone.common.Checksum.verifyChecksum(Checksum.java:217)
 at org.apache.hadoop.hdds.scm.storage.BlockInputStream.readChunkFromContainer(BlockInputStream.java:227)
 at org.apache.hadoop.hdds.scm.storage.BlockInputStream.prepareRead(BlockInputStream.java:188)
 at org.apache.hadoop.hdds.scm.storage.BlockInputStream.read(BlockInputStream.java:130)
 at org.apache.hadoop.ozone.client.io.KeyInputStream$ChunkInputStreamEntry.read(KeyInputStream.java:232)
 at org.apache.hadoop.ozone.client.io.KeyInputStream.read(KeyInputStream.java:126)
 at org.apache.hadoop.ozone.client.io.OzoneInputStream.read(OzoneInputStream.java:49)
 at java.io.InputStream.read(InputStream.java:101)
 at org.apache.hadoop.io.IOUtils.copyBytes(IOUtils.java:100)
 at org.apache.hadoop.ozone.web.ozShell.keys.GetKeyHandler.call(GetKeyHandler.java:98)
 at org.apache.hadoop.ozone.web.ozShell.keys.GetKeyHandler.call(GetKeyHandler.java:48)
 at picocli.CommandLine.execute(CommandLine.java:919)
 at picocli.CommandLine.access$700(CommandLine.java:104)
 at picocli.CommandLine$RunLast.handle(CommandLine.java:1083)
 at picocli.CommandLine$RunLast.handle(CommandLine.java:1051)
 at picocli.CommandLine$AbstractParseResultHandler.handleParseResult(CommandLine.java:959)
 at picocli.CommandLine.parseWithHandlers(CommandLine.java:1242)
 at picocli.CommandLine.parseWithHandler(CommandLine.java:1181)
 at org.apache.hadoop.hdds.cli.GenericCli.execute(GenericCli.java:61)
 at org.apache.hadoop.hdds.cli.GenericCli.run(GenericCli.java:52)
 at org.apache.hadoop.ozone.web.ozShell.Shell.main(Shell.java:83){noformat}



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