Github user eribeiro commented on a diff in the pull request: https://github.com/apache/zookeeper/pull/307#discussion_r131282046 --- Diff: src/java/main/org/apache/zookeeper/server/FinalRequestProcessor.java --- @@ -460,11 +465,20 @@ public void processRequest(Request request) { if (request.type == OpCode.closeSession) { cnxn.sendCloseSession(); } + checkLatency(request); } catch (IOException e) { LOG.error("FIXMSG",e); } } + private void checkLatency(Request request) { + long requestLatency = Time.currentElapsedTime() - request.createTime; + if((requestWarnThresholdMs > -1 && requestLatency > requestWarnThresholdMs) || requestWarnThresholdMs == 0) { + LOG.warn("Request " + request + " exceeded threshold. Took " + requestLatency + " ms."); --- End diff -- You can leverage the use of interpolation of Strings in logging: ``` LOG.warn("Request {} exceeded {}", obj1, obj2); ``` Again, such a minor suggestion that it's up to you adopt it or not. Cheers!
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