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  1. Jackrabbit Oak
  2. OAK-3055

Improve segment cache in SegmentTracker

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    Description

      The hand crafted segment cache in SegmentTracker is prone to lock contentions in concurrent access scenarios. As SegmentNodeStore#merge might also end up acquiring this lock while holding the commit semaphore the situation can easily lead to many threads being blocked on the commit semaphore. The SegmentTracker cache doesn't differentiate between read and write access, which means that reader threads can block writer threads.

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        1. OAK-3055.patch
          4 kB
          Michael Dürig

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          depends upon

          New Feature - A new feature of the product, which has yet to be developed. OAK-3095 Add eviction listener to LIRS cache

          • Major - Major loss of function.
          • Closed
          is blocked by

          New Feature - A new feature of the product, which has yet to be developed. OAK-3095 Add eviction listener to LIRS cache

          • Major - Major loss of function.
          • Closed
          is depended upon by

          Bug - A problem which impairs or prevents the functions of the product. OAK-3168 SegmentCache flushes Segment on update

          • Major - Major loss of function.
          • Closed
          is related to

          Bug - A problem which impairs or prevents the functions of the product. OAK-3168 SegmentCache flushes Segment on update

          • Major - Major loss of function.
          • Closed
          relates to

          Bug - A problem which impairs or prevents the functions of the product. OAK-3007 SegmentStore cache does not take "string" map into account

          • Major - Major loss of function.
          • Closed

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              mduerig Michael Dürig
              mduerig Michael Dürig
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                Updated:
                Resolved: