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NIFI-11636: Do not buffer Parquet content into memory unnecessarily

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NIFI-11636: Change default log level from parquet internal reader to WARN as it logs excessively at INFO level
Signed-off-by: Matt Burgess <mattyb149@apache.org>
This commit is contained in:
Mark Payne 2023-06-02 13:21:15 -04:00 committed by Matt Burgess
parent d4e9bd5ce9
commit 5da77e8e74
3 changed files with 7 additions and 8 deletions
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2
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-resources/src/main/resources/conf/logback.xml
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@ -119,7 +119,7 @@
<logger name="org.apache.nifi.processors.standard.LogAttribute" level="INFO"/>
<logger name="org.apache.nifi.processors.standard.LogMessage" level="INFO"/>
<logger name="org.apache.nifi.controller.repository.StandardProcessSession" level="WARN" />
<logger name="org.apache.parquet.hadoop.InternalParquetRecordReader" level="WARN" />
<logger name="org.apache.zookeeper.ClientCnxn" level="ERROR" />
<logger name="org.apache.zookeeper.server.NIOServerCnxn" level="ERROR" />

5
nifi-nar-bundles/nifi-parquet-bundle/nifi-parquet-processors/src/main/java/org/apache/nifi/parquet/stream/NifiParquetInputFile.java
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@ -20,7 +20,6 @@ import org.apache.nifi.stream.io.ByteCountingInputStream;
import org.apache.parquet.io.InputFile;
import org.apache.parquet.io.SeekableInputStream;
import java.io.IOException;
import java.io.InputStream;
public class NifiParquetInputFile implements InputFile {
@ -42,12 +41,12 @@ public class NifiParquetInputFile implements InputFile {
}
@Override
public long getLength() throws IOException {
public long getLength() {
return length;
}
@Override
public SeekableInputStream newStream() throws IOException {
public SeekableInputStream newStream() {
return new NifiSeekableInputStream(input);
}
}

8
nifi-nar-bundles/nifi-parquet-bundle/nifi-parquet-processors/src/main/java/org/apache/nifi/parquet/stream/NifiSeekableInputStream.java
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@ -29,11 +29,11 @@ public class NifiSeekableInputStream extends DelegatingSeekableInputStream {
public NifiSeekableInputStream(final ByteCountingInputStream input) {
super(input);
this.input = input;
this.input.mark(Integer.MAX_VALUE);
this.input.mark(8192);
}
@Override
public long getPos() throws IOException {
public long getPos() {
return input.getBytesConsumed();
}
@ -47,7 +47,7 @@ public class NifiSeekableInputStream extends DelegatingSeekableInputStream {
if (newPos < currentPos) {
// seeking backwards so first reset back to beginning of the stream then seek
input.reset();
input.mark(Integer.MAX_VALUE);
input.mark(8192);
}
// must call getPos() again in case reset was called above
@ -65,7 +65,7 @@ public class NifiSeekableInputStream extends DelegatingSeekableInputStream {
}
@Override
public synchronized void reset() throws IOException {
public synchronized void reset() {
throw new UnsupportedOperationException("Mark/reset is not supported");
}
}