rmahindra123 commented on a change in pull request #3128:
URL: https://github.com/apache/hudi/pull/3128#discussion_r667255510
##########
File path:
hudi-common/src/main/java/org/apache/hudi/common/util/collection/DiskBasedMap.java
##########
@@ -395,4 +417,48 @@ public int compareTo(ValueMetadata o) {
return Long.compare(this.offsetOfValue, o.offsetOfValue);
}
}
+
+ private static class DiskCompressionInstance implements Serializable {
+ public static final int DISK_COMPRESSION_INITIAL_BUFFER_SIZE = 1048576;
+
+ // Caching ByteArrayOutputStreams to avoid recreating it for every
operation
+ private final ByteArrayOutputStream compressBaos;
+ private final ByteArrayOutputStream decompressBaos;
+ private final byte[] decompressBuffer;
+
+ DiskCompressionInstance() {
+ compressBaos = new
ByteArrayOutputStream(DISK_COMPRESSION_INITIAL_BUFFER_SIZE);
+ decompressBaos = new
ByteArrayOutputStream(DISK_COMPRESSION_INITIAL_BUFFER_SIZE);
+ decompressBuffer = new byte[8192];
+ }
+
+ public byte[] compressBytes(final byte [] value) throws IOException {
+ compressBaos.reset();
Review comment:
sorry did not follow here.
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