Github user srdo commented on a diff in the pull request:
https://github.com/apache/storm/pull/2754#discussion_r209078742
--- Diff:
storm-webapp/src/main/java/org/apache/storm/daemon/logviewer/handler/LogviewerLogPageHandler.java
---
@@ -61,18 +63,21 @@
import org.apache.commons.lang.StringUtils;
import org.apache.storm.daemon.logviewer.LogviewerConstant;
import org.apache.storm.daemon.logviewer.utils.DirectoryCleaner;
+import org.apache.storm.daemon.logviewer.utils.ExceptionMeters;
import org.apache.storm.daemon.logviewer.utils.LogviewerResponseBuilder;
import org.apache.storm.daemon.logviewer.utils.ResourceAuthorizer;
import org.apache.storm.daemon.logviewer.utils.WorkerLogs;
import org.apache.storm.daemon.ui.InvalidRequestException;
import org.apache.storm.daemon.ui.UIHelpers;
import org.apache.storm.daemon.utils.StreamUtil;
import org.apache.storm.daemon.utils.UrlBuilder;
+import org.apache.storm.metric.StormMetricsRegistry;
import org.apache.storm.utils.ConfigUtils;
import org.apache.storm.utils.ServerUtils;
import org.jooq.lambda.Unchecked;
public class LogviewerLogPageHandler {
+ private static final Meter numPageRead =
StormMetricsRegistry.registerMeter("logviewer:num-page-read");
--- End diff --
What is this metric useful for?
---
