I wonder if its related to this bug (below) that’s currently unresolved, albeit it being reproduced way back in 2.1.11
https://issues.apache.org/jira/browse/CASSANDRA-10689 From: qf zhou [mailto:zhouqf2...@gmail.com] Sent: 31 August 2017 10:58 To: user@cassandra.apache.org Subject: Re: Cassandra - Nodes can't restart due to java.lang.OutOfMemoryError: Direct buffer memory I am using Cassandra 3.9 with cqlsh 5.0.1. 在 2017年8月31日,下午5:54,Jonathan Baynes <jonathan.bay...@tradeweb.com<mailto:jonathan.bay...@tradeweb.com>> 写道: again ________________________________________________________________________ This e-mail may contain confidential and/or privileged information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and destroy it. Any unauthorized copying, disclosure or distribution of the material in this e-mail is strictly forbidden. Tradeweb reserves the right to monitor all e-mail communications through its networks. If you do not wish to receive marketing emails about our products / services, please let us know by contacting us, either by email at contac...@tradeweb.com or by writing to us at the registered office of Tradeweb in the UK, which is: Tradeweb Europe Limited (company number 3912826), 1 Fore Street Avenue London EC2Y 9DT. To see our privacy policy, visit our website @ www.tradeweb.com.