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  1. JGroups
  2. JGRP-1912

LockService can fail under heavy load

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    • Icon: Bug Bug
    • Resolution: Cannot Reproduce
    • Icon: Major Major
    • 3.6.3
    • 3.6.1
    • None
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      Run the attached test client program with increasing levels of contention:

      I almost always see at lease one failure with:
      --item-range 2
      and
      --lock-duration 0

      Show
      Run the attached test client program with increasing levels of contention: I almost always see at lease one failure with: --item-range 2 and --lock-duration 0

      Once in awhile, the LockService will get stuck acquiring a lock.
      These seems to occur most often when two threads are simultaneously trying to acquire the same lock. (i.e.: exact same millisecond on a server with multiple processors).

        1. LockServiceTestClient.java
          12 kB
        2. LockServiceTestClient.java
          11 kB
        3. logFile
          10 kB
        4. logFile2
          8 kB
        5. runLockServiceTestClient.sh
          0.2 kB
        6. udp.xml
          3 kB

              rhn-engineering-bban Bela Ban
              cgentile_jira Chris Gentile (Inactive)
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                Created:
                Updated:
                Resolved: