[CASSANDRA-10055] High CPU load for Cassandra 2.1.8

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Not A Problem
• Component/s: Local/Config
• Labels: triaged

Environment

Prod

• Severity: Normal
• Assignee: Unassigned
• Reporter: vijay
• Created: 12/Aug/15 14:52
• Updated: 16/Apr/19 09:31
• Resolved: 30/Oct/15 13:06

Description

We are seeing High CPU Load about 80% to 100% in Cassandra 2.1.8 when doing Data ingest, we did not had this issue in 2.0.x version of Cassandra
we tested this in different Cloud platforms and results are same.
CPU: Tested with M3 2xlarge AWS instances
Ingest rate: Injecting 1 million Inserts each insert is of 1000bytes
no other Operations are happening except inserts in Cassandra
let me know if more info is needed.