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Posted to commits@pulsar.apache.org by GitBox <gi...@apache.org> on 2017/12/13 13:18:03 UTC

[GitHub] ivankelly opened a new issue #967: Compaction algorithm implementation

ivankelly opened a new issue #967: Compaction algorithm implementation
URL: https://github.com/apache/incubator-pulsar/issues/967
 
 
   As in the prototype (https://github.com/ivankelly/incubator-pulsar/pull/1). 
   
   1. Reads all the messages from the topic.
   2. Find the highest message id for each key.
   3. Read all messages again, selecting those which are highest keys, and writing them to a ledger.
   4. Close the ledger and notify the topic that compaction has occurred

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