We upgraded Storm version to 1.2.1 , and since then have been consistently observing Zookeeper session timeouts .
On analysis , we observed that there is high frequency of updates on workerbeats znode with data upto size of 50KB. This causes the Garbage Collector to kickoff lasting more than 15 secs , resulting in Zookeper session timeout I understand , increasing the session timeout will alleviate the issue , but we have already done that twice My questions are: 1) What is stored in Workerbeats znode? 2) Which settings control the frequency of workerbeats update 3)What will be the impact if the frequency is reduced
