Cassandra
  1. Cassandra
  2. CASSANDRA-1470

Avoid polluting page cache during compaction

        Details

        • Type: Improvement Improvement
        • Status: Resolved
        • Priority: Major Major
        • Resolution: Fixed
        • Fix Version/s: 0.7.1
        • Component/s: Core
        • Labels:
          None

          Description

          When compaction scans through a group of sstables, it forces the data in the os buffer cache being used for hot reads, which can have a dramatic negative effect on performance.

          1. Text File
            use.DirectIORandomAccessFile.for.commitlog.against.1022235.patch
            1.0 kB
            Robert Coli
          2. Text File
            CASSANDRA-1470-v9-for-0.7.patch
            33 kB
            Pavel Yaskevich
          3. Text File
            CASSANDRA-1470-v8-for-0.7.patch
            33 kB
            Pavel Yaskevich
          4. Text File
            CASSANDRA-1470-v7-for-0.7.patch
            32 kB
            T Jake Luciani
          5. Text File
            CASSANDRA-1470-v6-for-0.7.patch
            31 kB
            Pavel Yaskevich
          6. Text File
            CASSANDRA-1470-v5-for-0.7.patch
            30 kB
            Pavel Yaskevich
          7. Text File
            CASSANDRA-1470-v4-for-0.7.patch
            17 kB
            Pavel Yaskevich
          8. Text File
            CASSANDRA-1470-v3-0.7-with-LastErrorException-support.patch
            8 kB
            Pavel Yaskevich
          9. Text File
            CASSANDRA-1470-v2.patch
            8 kB
            Pavel Yaskevich
          10. Text File
            CASSANDRA-1470-v14-0.7.patch
            34 kB
            T Jake Luciani
          11. Text File
            CASSANDRA-1470-v13-0.7.patch
            36 kB
            Pavel Yaskevich
          12. Text File
            CASSANDRA-1470-v12-0.7.patch
            36 kB
            Pavel Yaskevich
          13. Text File
            CASSANDRA-1470-v11-for-0.7.patch
            38 kB
            T Jake Luciani
          14. Text File
            CASSANDRA-1470-v10-for-0.7.patch
            37 kB
            T Jake Luciani
          15. Text File
            CASSANDRA-1470-for-0.6.patch
            7 kB
            Pavel Yaskevich
          16. Text File
            CASSANDRA-1470.patch
            7 kB
            Pavel Yaskevich
          17. Text File
            1470-v2.txt
            23 kB
            Jonathan Ellis
          18. Text File
            1470.txt
            30 kB
            Jonathan Ellis

            Issue Links

            is related to

            Improvement - An improvement or enhancement to an existing feature or task. CASSANDRA-1908 Implement the CLibrary using JNI module to avoid the LGPL dependency on JNA

            • Major - Major loss of function.
            • Resolved

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              No work has yet been logged on this issue.

                People

                • Assignee:
                  Pavel Yaskevich
                  Reporter:
                  Jonathan Ellis
                  Reviewer:
                  T Jake Luciani
                • Votes:
                  0 Vote for this issue
                  Watchers:
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                  Dates

                  • Created:
                    Updated:
                    Resolved:

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