Write queue size in elasticsearch 6.8.5

Elastic Stack Elasticsearch
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settings : thread_pool.write.queue_size: 500 , default value is 200
exception thrown : failed to execute pipeline for a bulk request org.elasticsearch.common.util.concurrent.EsRejectedExecutionException: rejected execution...queue capacity = 500, org.elasticsearch.common.util.concurrent.EsThreadPoolExecutor@766bbb6a[Running, pool size = 32, active threads = 32, queued tasks = 576, completed tasks = 3994308]

i want to know if increasing the queue size to 1000 or more can have undesirable effect on perfermance

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It sure can, check out Any idea what these errors mean version 2.4.2 - #5 by jasontedor, which is still relevant today.

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