[JBoss JIRA] (ISPN-4024) Cross-Site State transfer: alpha version
by Pedro Ruivo (JIRA)
Pedro Ruivo created ISPN-4024:
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Summary: Cross-Site State transfer: alpha version
Key: ISPN-4024
URL: https://issues.jboss.org/browse/ISPN-4024
Project: Infinispan
Issue Type: Task
Components: Cross-Site Replication
Affects Versions: 6.0.1.Final
Reporter: Pedro Ruivo
Assignee: Pedro Ruivo
Fix For: 7.0.0.Alpha1, 7.0.0.Final
Cross-Site Replication State Transfer in a stable topology (i.e. no nodes leaving or joining during the state transfer).
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12 years, 1 month
[JBoss JIRA] (ISPN-4022) M/R: Run the combiner concurrently with the mapper
by Dan Berindei (JIRA)
Dan Berindei created ISPN-4022:
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Summary: M/R: Run the combiner concurrently with the mapper
Key: ISPN-4022
URL: https://issues.jboss.org/browse/ISPN-4022
Project: Infinispan
Issue Type: Feature Request
Components: Core, Distributed Execution and Map/Reduce
Affects Versions: 6.0.1.Final
Reporter: Dan Berindei
Assignee: Vladimir Blagojevic
Fix For: 7.0.0.Final
Because we only run the combiner after we finished the mapping phase, we need to keep all the results of the mapping phase in memory at once. We should split the output of the mapper into chunks and allow the combiner to process chunks while the mapper is still running, relieving some of the memory pressure. Maybe even block the mapper if there are too many chunks in-flight.
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12 years, 1 month