[GitHub] ctubbsii commented on a change in pull request #829: Stop creating double OuputStreams for WAL

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ctubbsii commented on a change in pull request #829: Stop creating double OuputStreams for WAL
URL: https://github.com/apache/accumulo/pull/829#discussion_r241919099
 
 

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 File path: server/tserver/src/main/java/org/apache/accumulo/tserver/log/DfsLogger.java
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 @@ -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 it would be better to push this conditional down into the encryption abstraction somehow, rather than do this kind of logic directly in DfsLogger. It'd be nice if DfsLogger didn't do any crypto logic at all, and simply talked to the next layer output stream.

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