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Posted to issues@bookkeeper.apache.org by GitBox <gi...@apache.org> on 2018/09/07 05:05:54 UTC

[GitHub] jvrao opened a new issue #1664: Scheduled SpeculativeReads are not getting canceled

jvrao opened a new issue #1664: Scheduled SpeculativeReads are not getting canceled  
URL: https://github.com/apache/bookkeeper/issues/1664
 
 
   Is this a question, feature request, bug report, or bookkeeper proposal?
   
   **QUESTION**
   
   **BUG REPORT**
   
   1. Please describe the issue you observed:
   
       If configured, every read request schedules a Future task
       to send speculative reads on speculativeReadTimeout.
       When the read is completed successfully, this task must be
       canceled otherwise it leads to memory consumption and under
       heavy load the tasks get accumulated which forces lengthy
       GC cycles. These lengthy GC cycles may cause ZK lease expiry
       and all other sorts of problems eventually resulting in application
       errors.
   
   
   

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