It seems that the cluster is at capacity and cannot sustain more writes, that's what the ESRejectedExecutionException hints to. You can take a look at the nodes stats and check if you got increasing rejections in your thread pools.
It seems that the cluster is at capacity and cannot sustain more writes, that's what the ESRejectedExecutionException hints to. You can take a look at the nodes stats and check if you got increasing rejections in your thread pools.
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