[CASSANDRA-14355] Memory leak

• Type: Bug
• Status: Open
• Priority: Normal
• Resolution: Unresolved
• Fix Version/s: 3.11.x
• Component/s: Legacy/Core

Environment

Debian Jessie, OpenJDK 1.8.0_151

• Severity: Normal
• Since Version: 3.11.0
• Assignee: Unassigned
• Reporter: Eric Evans
• Created: 29/Mar/18 21:21
• Updated: 25/Oct/22 07:57

Description

We're seeing regular, frequent OutOfMemoryError exceptions.  Similar to CASSANDRA-13754, an analysis of the heap dumps shows the heap consumed by the threadLocals member of the instances of io.netty.util.concurrent.FastThreadLocalThread.