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The 'scan canceled' logs do not contain enough information to pinpoint the root of excessive or long scanning. The report should contain: * thread dump (at least 2) to hint a possible deadlock, or the time-consuming code * proper "absorbed" chain of updater works * classpath changes leading to the update work * time spent in individual Indexers * the root being indexed at the time scanning was canceled + time spent on that root Tresholds on rate of events that trigger scanning should be added, and rate of scanning start/stop exceeds that treshold, the above information should be dumped to the log file.
Relevant changesets: http://hg.netbeans.org/jet-main/rev/2f76718810bb http://hg.netbeans.org/jet-main/rev/c15a32a9f211 http://hg.netbeans.org/jet-main/rev/5601ffc1fe2b http://hg.netbeans.org/jet-main/rev/544301dc7d51 http://hg.netbeans.org/jet-main/rev/88da152b9884
verified in trunk
Please integrate the fixes into 7.1.2, thanks http://wiki.netbeans.org/NetBeansPatchesProcess
tranplanted into 7.1.2 in changesets (+ solving merge conflicts): 8f11c11baa35 a56ce786b257 9e827a0c1ed8 e00b2d29d966 a21f2aa09598 2f36e30192d5 485bc0ac6a4d cdfa092001bd cc5d7cd9bf34 7c718d4446ff 1f39f9d8bc56 e8a6a1158a9e a666e073e8fc