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https://issues.apache.org/jira/browse/FLINK-5891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17336797#comment-17336797
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Flink Jira Bot commented on FLINK-5891:
---------------------------------------
This issue was labeled "stale-major" 7 ago and has not received any updates so
it is being deprioritized. If this ticket is actually Major, please raise the
priority and ask a committer to assign you the issue or revive the public
discussion.
> ConnectedComponents is broken when object reuse enabled
> -------------------------------------------------------
>
> Key: FLINK-5891
> URL: https://issues.apache.org/jira/browse/FLINK-5891
> Project: Flink
> Issue Type: Bug
> Components: Library / Graph Processing (Gelly)
> Affects Versions: 1.3.0
> Reporter: Greg Hogan
> Priority: Major
> Labels: stale-major
>
> {{org.apache.flink.graph.library.ConnectedComponents.CCUpdater#updateVertex}}
> is storing a value from its iterator.
> {{GSAConnectedComponents}} does not have this limitation.
> {code}
> public static final class CCUpdater<K, VV extends Comparable<VV>>
> extends GatherFunction<K, VV, VV> {
> @Override
> public void updateVertex(Vertex<K, VV> vertex,
> MessageIterator<VV> messages) throws Exception {
> VV current = vertex.getValue();
> VV min = current;
> for (VV msg : messages) {
> if (msg.compareTo(min) < 0) {
> min = msg;
> }
> }
> if (!min.equals(current)) {
> setNewVertexValue(min);
> }
> }
> }
> {code}
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