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my replicaset consists of one primary node, one secondery node and one arbitery node. Recently,my secondry node terminate very frequently. By checking the log, I found some documents are too large, but not all of the document cause the termination. Here is the last two log before secondery down:
2017-12-31T16:41:10.748+0800 F - [repl writer worker 4] terminate() called. An exception is active; attempting to gather more information
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2017-12-31T16:41:10.872+0800 F - [repl writer worker 4] DBException::toString(): 10334 BSONObj size: 17027099 (0x103D01B) is invalid. Size must be between 0 and 16793600(16MB) First element: 0:
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