{"action":"created","comment":{"url":"https://api.github.com/repos/amplab/tachyon/pulls/comments/29714240","id":29714240,"diff_hunk":"@@ -0,0 +1,91 @@\n+/*\n+ * Licensed to the University of California, Berkeley under one or more contributor license\n+ * agreements. See the NOTICE file distributed with this work for additional information regarding\n+ * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the\n+ * \"License\"); you may not use this file except in compliance with the License. You may obtain a\n+ * copy of the License at\n+ *\n+ * http://www.apache.org/licenses/LICENSE-2.0\n+ *\n+ * Unless required by applicable law or agreed to in writing, software distributed under the License\n+ * is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express\n+ * or implied. See the License for the specific language governing permissions and limitations under\n+ * the License.\n+ */\n+\n+package tachyon.metrics.sink;\n+\n+import java.io.IOException;\n+import java.util.Properties;\n+import java.util.concurrent.TimeUnit;\n+\n+import javax.servlet.ServletException;\n+import javax.servlet.http.HttpServlet;\n+import javax.servlet.http.HttpServletRequest;\n+import javax.servlet.http.HttpServletResponse;\n+\n+import org.eclipse.jetty.servlet.ServletContextHandler;\n+import org.eclipse.jetty.servlet.ServletHolder;\n+\n+import com.codahale.metrics.MetricRegistry;\n+import com.codahale.metrics.json.MetricsModule;\n+import com.fasterxml.jackson.databind.ObjectMapper;\n+\n+\n+public class MetricsServlet implements Sink {","path":"core/src/main/java/tachyon/metrics/sink/MetricsServlet.java","position":35,"original_position":35,"commit_id":"9d2b639998a8c1e0f71fe163c2a29f48098f078c","original_commit_id":"9d2b639998a8c1e0f71fe163c2a29f48098f078c","user":{"login":"calvinjia","id":2223813,"avatar_url":"https://avatars.githubusercontent.com/u/2223813?v=3","gravatar_id":"","url":"https://api.github.com/users/calvinjia","html_url":"https://github.com/calvinjia","followers_url":"https://api.github.com/users/calvinjia/followers","following_url":"https://api.github.com/users/calvinjia/following{/other_user}","gists_url":"https://api.github.com/users/calvinjia/gists{/gist_id}","starred_url":"https://api.github.com/users/calvinjia/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/calvinjia/subscriptions","organizations_url":"https://api.github.com/users/calvinjia/orgs","repos_url":"https://api.github.com/users/calvinjia/repos","events_url":"https://api.github.com/users/calvinjia/events{/privacy}","received_events_url":"https://api.github.com/users/calvinjia/received_events","type":"User","site_admin":false},"body":"Why does this implement Sink?","created_at":"2015-05-05T21:19:03Z","updated_at":"2015-05-05T21:19:03Z","html_url":"https://github.com/amplab/tachyon/pull/892#discussion_r29714240","pull_request_url":"https://api.github.com/repos/amplab/tachyon/pulls/892","_links":{"self":{"href":"https://api.github.com/repos/amplab/tachyon/pulls/comments/29714240"},"html":{"href":"https://github.com/amplab/tachyon/pull/892#discussion_r29714240"},"pull_request":{"href":"https://api.github.com/repos/amplab/tachyon/pulls/892"}}},"pull_request":{"url":"https://api.github.com/repos/amplab/tachyon/pulls/892","id":34707475,"html_url":"https://github.com/amplab/tachyon/pull/892","diff_url":"https://github.com/amplab/tachyon/pull/892.diff","patch_url":"https://github.com/amplab/tachyon/pull/892.patch","issue_url":"https://api.github.com/repos/amplab/tachyon/issues/892","number":892,"state":"open","locked":false,"title":"[TACHYON-364] Add Sources and Sinks to the metrics system","user":{"login":"carsonwang","id":9278199,"avatar_url":"https://avatars.githubusercontent.com/u/9278199?v=3","gravatar_id":"","url":"https://api.github.com/users/carsonwang","html_url":"https://github.com/carsonwang","followers_url":"https://api.github.com/users/carsonwang/followers","following_url":"https://api.github.com/users/carsonwang/following{/other_user}","gists_url":"https://api.github.com/users/carsonwang/gists{/gist_id}","starred_url":"https://api.github.com/users/carsonwang/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/carsonwang/subscriptions","organizations_url":"https://api.github.com/users/carsonwang/orgs","repos_url":"https://api.github.com/users/carsonwang/repos","events_url":"https://api.github.com/users/carsonwang/events{/privacy}","received_events_url":"https://api.github.com/users/carsonwang/received_events","type":"User","site_admin":false},"body":"https://tachyon.atlassian.net/browse/TACHYON-364\r\n\r\nAdd JvmSource, CsvSink, 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