dclim commented on a change in pull request #6588: autosize processing buffers
based on direct memory sizing by default
URL: https://github.com/apache/incubator-druid/pull/6588#discussion_r233975143
##########
File path:
processing/src/main/java/org/apache/druid/query/DruidProcessingConfig.java
##########
@@ -20,17 +20,56 @@
package org.apache.druid.query;
import org.apache.druid.java.util.common.concurrent.ExecutorServiceConfig;
+import org.apache.druid.java.util.common.logger.Logger;
import org.apache.druid.segment.column.ColumnConfig;
+import org.apache.druid.utils.JvmUtils;
import org.skife.config.Config;
+import java.util.concurrent.atomic.AtomicReference;
+
public abstract class DruidProcessingConfig extends ExecutorServiceConfig
implements ColumnConfig
{
+ private static final Logger log = new Logger(DruidProcessingConfig.class);
+
public static final int DEFAULT_NUM_MERGE_BUFFERS = -1;
+ public static final int DEFAULT_PROCESSING_BUFFER_SIZE_BYTES = -1;
+ public static final int MAX_DEFAULT_PROCESSING_BUFFER_SIZE_BYTES = 1024 *
1024 * 1024;
+
+ private AtomicReference<Integer> computedBufferSizeBytes = new
AtomicReference<>();
@Config({"druid.computation.buffer.size", "${base_path}.buffer.sizeBytes"})
+ public int intermediateComputeSizeBytesConfigured()
+ {
+ return DEFAULT_PROCESSING_BUFFER_SIZE_BYTES;
+ }
+
public int intermediateComputeSizeBytes()
{
- return 1024 * 1024 * 1024;
+ int sizeBytesConfigured = intermediateComputeSizeBytesConfigured();
+ if (sizeBytesConfigured != DEFAULT_PROCESSING_BUFFER_SIZE_BYTES) {
+ return Math.min(sizeBytesConfigured, Integer.MAX_VALUE);
Review comment:
How can `sizeBytesConfigured` be bigger than Integer.MAX_VALUE?
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