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Posted to commits@hive.apache.org by jc...@apache.org on 2018/05/11 16:20:44 UTC

[2/2] hive git commit: HIVE-19477: Hiveserver2 in http mode not emitting metric default.General.open_connections (Jesus Camacho Rodriguez, reviewed by Vaibhav Gumashta)

HIVE-19477: Hiveserver2 in http mode not emitting metric default.General.open_connections (Jesus Camacho Rodriguez, reviewed by Vaibhav Gumashta)


Project: http://git-wip-us.apache.org/repos/asf/hive/repo
Commit: http://git-wip-us.apache.org/repos/asf/hive/commit/598dcf40
Tree: http://git-wip-us.apache.org/repos/asf/hive/tree/598dcf40
Diff: http://git-wip-us.apache.org/repos/asf/hive/diff/598dcf40

Branch: refs/heads/master
Commit: 598dcf40f3c69dfc1ca52bc28282b58ad30507fb
Parents: e71c469
Author: Jesus Camacho Rodriguez <jc...@apache.org>
Authored: Fri May 11 09:00:51 2018 -0700
Committer: Jesus Camacho Rodriguez <jc...@apache.org>
Committed: Fri May 11 09:00:51 2018 -0700

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 .../cli/thrift/ThriftHttpCLIService.java        | 34 ++++++++++++++++++--
 1 file changed, 32 insertions(+), 2 deletions(-)
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http://git-wip-us.apache.org/repos/asf/hive/blob/598dcf40/service/src/java/org/apache/hive/service/cli/thrift/ThriftHttpCLIService.java
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diff --git a/service/src/java/org/apache/hive/service/cli/thrift/ThriftHttpCLIService.java b/service/src/java/org/apache/hive/service/cli/thrift/ThriftHttpCLIService.java
index a02f13c..0b3f2c3 100644
--- a/service/src/java/org/apache/hive/service/cli/thrift/ThriftHttpCLIService.java
+++ b/service/src/java/org/apache/hive/service/cli/thrift/ThriftHttpCLIService.java
@@ -23,14 +23,17 @@ import java.util.concurrent.ExecutorService;
 import java.util.concurrent.SynchronousQueue;
 import java.util.concurrent.TimeUnit;
 
+import javax.servlet.ServletContextEvent;
+import javax.servlet.ServletContextListener;
 import javax.ws.rs.HttpMethod;
 
+import org.apache.hadoop.hive.common.metrics.common.Metrics;
+import org.apache.hadoop.hive.common.metrics.common.MetricsConstant;
+import org.apache.hadoop.hive.common.metrics.common.MetricsFactory;
 import org.apache.hadoop.hive.conf.HiveConf;
 import org.apache.hadoop.hive.conf.HiveConf.ConfVars;
 import org.apache.hadoop.hive.shims.ShimLoader;
-import org.apache.hadoop.hive.shims.Utils;
 import org.apache.hadoop.security.UserGroupInformation;
-import org.apache.hadoop.util.Shell;
 import org.apache.hive.service.auth.HiveAuthFactory;
 import org.apache.hive.service.cli.CLIService;
 import org.apache.hive.service.rpc.thrift.TCLIService;
@@ -153,6 +156,33 @@ public class ThriftHttpCLIService extends ThriftCLIService {
         LOG.warn("XSRF filter disabled");
       }
 
+      context.addEventListener(new ServletContextListener() {
+        @Override
+        public void contextInitialized(ServletContextEvent servletContextEvent) {
+          Metrics metrics = MetricsFactory.getInstance();
+          if (metrics != null) {
+            try {
+              metrics.incrementCounter(MetricsConstant.OPEN_CONNECTIONS);
+              metrics.incrementCounter(MetricsConstant.CUMULATIVE_CONNECTION_COUNT);
+            } catch (Exception e) {
+              LOG.warn("Error reporting HS2 open connection operation to Metrics system", e);
+            }
+          }
+        }
+
+        @Override
+        public void contextDestroyed(ServletContextEvent servletContextEvent) {
+          Metrics metrics = MetricsFactory.getInstance();
+          if (metrics != null) {
+            try {
+              metrics.decrementCounter(MetricsConstant.OPEN_CONNECTIONS);
+            } catch (Exception e) {
+              LOG.warn("Error reporting HS2 close connection operation to Metrics system", e);
+            }
+          }
+        }
+      });
+
       final String httpPath = getHttpPath(hiveConf
           .getVar(HiveConf.ConfVars.HIVE_SERVER2_THRIFT_HTTP_PATH));