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Posted to commits@flink.apache.org by se...@apache.org on 2017/01/16 10:55:31 UTC
[08/10] flink git commit: [FLINK-5459] [docs] Add templates for
debugging classloading and debugging event time issues
[FLINK-5459] [docs] Add templates for debugging classloading and debugging event time issues
Project: http://git-wip-us.apache.org/repos/asf/flink/repo
Commit: http://git-wip-us.apache.org/repos/asf/flink/commit/ef185d77
Tree: http://git-wip-us.apache.org/repos/asf/flink/tree/ef185d77
Diff: http://git-wip-us.apache.org/repos/asf/flink/diff/ef185d77
Branch: refs/heads/release-1.2
Commit: ef185d777d6c5debf139833b6af88e9cbfa583bf
Parents: 4b0c4d9
Author: Stephan Ewen <se...@apache.org>
Authored: Tue Jan 10 22:56:16 2017 +0100
Committer: Stephan Ewen <se...@apache.org>
Committed: Mon Jan 16 11:53:55 2017 +0100
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docs/monitoring/debugging_classloading.md | 45 ++++++++++++++++++++++++++
docs/monitoring/debugging_event_time.md | 37 +++++++++++++++++++++
2 files changed, 82 insertions(+)
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http://git-wip-us.apache.org/repos/asf/flink/blob/ef185d77/docs/monitoring/debugging_classloading.md
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diff --git a/docs/monitoring/debugging_classloading.md b/docs/monitoring/debugging_classloading.md
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+---
+title: "Debugging Classloading"
+nav-parent_id: monitoring
+nav-pos: 8
+---
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership. The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied. See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+* ToC
+{:toc}
+
+## Overview of Classloading in Flink
+
+ - What is in the Application Classloader for different deployment techs
+ - What is in the user code classloader
+
+ - Access to the user code classloader for applications
+
+## Classpath Setups
+
+ - Finding classpaths in logs
+ - Moving libraries and/or user code to the Application Classpath
+
+## Unloading of Dynamically Loaded Classes
+
+ - Checkpoint statistics overview
+ - Interpret time until checkpoints
+ - Synchronous vs. asynchronous checkpoint time
+
http://git-wip-us.apache.org/repos/asf/flink/blob/ef185d77/docs/monitoring/debugging_event_time.md
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diff --git a/docs/monitoring/debugging_event_time.md b/docs/monitoring/debugging_event_time.md
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+---
+title: "Debugging Windows & Event Time"
+nav-parent_id: monitoring
+nav-pos: 9
+---
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership. The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied. See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+* ToC
+{:toc}
+
+## Monitoring Current Event Time
+
+ - What metrics, how to access in the UI
+ - Event time dominated by furthest-behind source
+
+## Handling Event Time Stragglers
+
+ - Approach 1: Watermark stays late (indicated completeness), windows fire early
+ - Approach 2: Watermark heuristic with maximum lateness, windows accept late data
+