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Disable buffering to disk for Azure output streams #18298

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merged 1 commit into from
Jul 27, 2023
Merged

Disable buffering to disk for Azure output streams #18298

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5 changes: 5 additions & 0 deletions lib/trino-hdfs/src/main/java/io/trino/hdfs/azure/TrinoAzureConfigurationInitializer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,8 @@

import static com.google.common.base.Preconditions.checkArgument;
import static java.lang.String.format;
import static org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys.DATA_BLOCKS_BUFFER;
import static org.apache.hadoop.fs.store.DataBlocks.DATA_BLOCKS_BUFFER_ARRAY;

public class TrinoAzureConfigurationInitializer
implements ConfigurationInitializer
Expand Down Expand Up @@ -117,6 +119,9 @@ public void initializeConfiguration(Configuration config)

// do not rely on information returned from local system about users and groups
config.set("fs.azure.skipUserGroupMetadataDuringInitialization", "true");

// disable buffering Azure output streams to disk(default is DATA_BLOCKS_BUFFER_DISK)
config.set(DATA_BLOCKS_BUFFER, DATA_BLOCKS_BUFFER_ARRAY);
}

private static Optional<String> dropEmpty(Optional<String> optional)
Expand Down