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  1. Core Server
  2. SERVER-1645

could be issues with replication of background create index?


    • Type: Bug
    • Status: Closed
    • Priority: Minor - P4
    • Resolution: Duplicate
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: Replication
    • Labels:
    • Operating System:


      it seems that if you do a background index build, we also build it on the background on the slave.

      that might be desirable, but if we keep that, we need to (1) have a test for it.

      (2) i think there may be an issue: you cannot do two background index builds at once. the administrator might do them one at a time on the master, but if the slave is slower, theymight overlap; in that case, the 2nd index wouldn't get built.

      one solution is to do bg indexing only on the primary, but i think users would prefer to have it do background everywhere.

      one fix might be : on the slave, do it in the background if one is not in progress; if one is alerady in progress, sleep and poll until that finishes. (kind of like sleepdelay). another option would be to just build int he foreground.

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