peng-yongsheng edited a comment on issue #3021: Using ArryList instead of LinkedList URL: https://github.com/apache/skywalking/pull/3021#issuecomment-510859880 > Hi @peng-yongsheng , > We want to know the effect of large arrays on GC. Garbage collector need to check all elements of array every time. That will cost more CPU and make GC taking more time. But we are not sure how many it will cost. So we do this test. @dmsolr Maybe it's better to do an OAP server comparison. Mock the same amount segments and post into the OAP server, then compare the GC report between before and after modification. This can let us know the performance in a real scenario. Just compare with datacarrier's code is not so good, this queue is just for SkyWalking, not a common queue.
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