Github user phrocker commented on a diff in the pull request:
https://github.com/apache/accumulo/pull/106#discussion_r65523717
--- Diff:
core/src/main/java/org/apache/accumulo/core/file/rfile/bcfile/Compression.java
---
@@ -81,38 +89,60 @@ public void flush() throws IOException {
* Compression algorithms.
*/
public static enum Algorithm {
+
LZO(COMPRESSION_LZO) {
- private transient boolean checked = false;
+ private AtomicBoolean checked = new AtomicBoolean(false);
private static final String defaultClazz =
"org.apache.hadoop.io.compress.LzoCodec";
private transient CompressionCodec codec = null;
+ /**
+ * Configuration option for LZO buffer size
+ */
+ private static final String BUFFER_SIZE_OPT =
"io.compression.codec.lzo.buffersize";
+
+ /**
+ * Default buffer size
+ */
+ private static final int DEFAULT_BUFFER_SIZE = 64 * 1024;
+
@Override
- public synchronized boolean isSupported() {
--- End diff --
The code is now predicated upon the static initializer. I think this goes
to Keith's point that we not only need a comment block to dictate the changes
better, but additional tests to make this obvious.
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