keith-turner commented on a change in pull request #829: Stop creating double OuputStreams
for WAL
URL: https://github.com/apache/accumulo/pull/829#discussion_r242221206
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File path: server/tserver/src/main/java/org/apache/accumulo/tserver/log/DfsLogger.java
##########
@@ -443,8 +436,12 @@ public synchronized void open(String address) throws IOException {
byte[] cryptoParams = encrypter.getDecryptionParameters();
CryptoUtils.writeParams(cryptoParams, logFile);
- encryptingLogFile = new DataOutputStream(
- encrypter.encryptStream(new NoFlushOutputStream(logFile)));
+ // write directly to logFile if no crypto detected
+ if (encrypter instanceof NoFileEncrypter) {
+ encryptingLogFile = logFile;
+ } else {
+ encryptingLogFile = new NoFlushOutputStream(encrypter.encryptStream(logFile));
Review comment:
I think `encryptingLogFile` could be of type `DataOutput`. Based on this we could change
the if to the following. This will accomplish the same thing with less assumptions.
```java
OutputStream tmp = encrypter.encryptStream(logFile);
if(tmp instanceof DataOutput) {
encryptingLogFile = (DataOutput) tmp;
} else {
encryptingLogFile = NoFlushOutputStream(encrypter.encryptStream(logFile));
}
```
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