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https://issues.apache.org/jira/browse/FLINK-4975?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15648123#comment-15648123
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ASF GitHub Bot commented on FLINK-4975:
---------------------------------------
Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/2754#discussion_r87035590
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/decline/CheckpointDeclineOnCancellationBarrierException.java
---
@@ -0,0 +1,32 @@
+/*
+ * 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.
+ */
+
+package org.apache.flink.runtime.checkpoint.decline;
+
+/**
+ * Exception indicating that a checkpoint was declined because a task was
not
+ * ready to perform a checkpoint.
--- End diff --
JavaDocs and exception message seem to diverge a little bit.
> Add a limit for how much data may be buffered during checkpoint alignment
> -------------------------------------------------------------------------
>
> Key: FLINK-4975
> URL: https://issues.apache.org/jira/browse/FLINK-4975
> Project: Flink
> Issue Type: Improvement
> Components: State Backends, Checkpointing
> Affects Versions: 1.1.3
> Reporter: Stephan Ewen
> Assignee: Stephan Ewen
> Fix For: 1.2.0, 1.1.4
>
>
> During checkpoint alignment, data may be buffered/spilled.
> We should introduce an upper limit for the spilled data volume. After
> exceeding that limit, the checkpoint alignment should abort and the
> checkpoint be canceled.
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