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  1. Core Server
  2. SERVER-14573

Why my cluster is imbalance?

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    Description

      Hello,I am a user from China. I'm sorry my English is not good,but I will try my best to describe my problem clearly.

      I have a cluster with 3 shards 3 config servers and 3 mongos.The dataset size is about 1T.I have may database and collections on this cluster.but almost all of the collectiosns is imbalance.The chunks moves very Slowly.

      I check the logs,there are some problems:
      【warning:config servers A and B differ】 this warning appears very often.
      【ERROR: config servers not in sync !】
      【when split chunk:the collection's metadata lock is taken】

      I don't know what causes these problems occur.I hope to get help!
      Thank you very much

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            ramon.fernandez@mongodb.com Ramon Fernandez Marina
            gaoyuanopenfire GaoYuan
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