HADOOP-11714. Add more trace log4j messages to SpanReceiverHost (cmccabe)
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@ -692,6 +692,8 @@ Release 2.7.0 - UNRELEASED
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HADOOP-11642. Upgrade azure sdk version from 0.6.0 to 2.0.0.
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(Shashank Khandelwal and Ivan Mitic via cnauroth)
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HADOOP-11714. Add more trace log4j messages to SpanReceiverHost (cmccabe)
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OPTIMIZATIONS
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HADOOP-11323. WritableComparator#compare keeps reference to byte array.
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@ -134,20 +134,27 @@ public synchronized void loadSpanReceivers(Configuration conf) {
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String[] receiverNames =
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config.getTrimmedStrings(SPAN_RECEIVERS_CONF_KEY);
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if (receiverNames == null || receiverNames.length == 0) {
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if (LOG.isTraceEnabled()) {
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LOG.trace("No span receiver names found in " +
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SPAN_RECEIVERS_CONF_KEY + ".");
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}
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return;
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}
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// It's convenient to have each daemon log to a random trace file when
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// testing.
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if (config.get(LOCAL_FILE_SPAN_RECEIVER_PATH) == null) {
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config.set(LOCAL_FILE_SPAN_RECEIVER_PATH,
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getUniqueLocalTraceFileName());
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String uniqueFile = getUniqueLocalTraceFileName();
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config.set(LOCAL_FILE_SPAN_RECEIVER_PATH, uniqueFile);
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if (LOG.isTraceEnabled()) {
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LOG.trace("Set " + LOCAL_FILE_SPAN_RECEIVER_PATH + " to " + uniqueFile);
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}
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}
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for (String className : receiverNames) {
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try {
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SpanReceiver rcvr = loadInstance(className, EMPTY);
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Trace.addReceiver(rcvr);
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receivers.put(highestId++, rcvr);
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LOG.info("SpanReceiver " + className + " was loaded successfully.");
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LOG.info("Loaded SpanReceiver " + className + " successfully.");
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} catch (IOException e) {
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LOG.error("Failed to load SpanReceiver", e);
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}
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