[DRILL-6207] Too many open files in distributed mode

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved

Environment

version-1.11,1.12

• Assignee: Unassigned
• Reporter: Arun
• Created: 03/Mar/18 10:06
• Updated: 25/May/18 07:16

Description

I am using jetty to import into apache drill when i kill the apache drill the jetty start to throw too many open files i have checked with the Jira DRILL-1735 but it is solved for local mode but i am using it in distributed mode

 

Caused by: java.lang.IllegalStateException: failed to create a child event loop
 at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:68)
 at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:49)
 at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:61)
 at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:52)
 at org.apache.drill.exec.rpc.TransportCheck.createEventLoopGroup(TransportCheck.java:75)
 at org.apache.drill.exec.server.BootStrapContext.<init>(BootStrapContext.java:45)
 at org.apache.drill.exec.server.Drillbit.<init>(Drillbit.java:95)
 at org.apache.drill.jdbc.DrillConnectionImpl.<init>(DrillConnectionImpl.java:78)
 ... 18 more
 Caused by: io.netty.channel.ChannelException: failed to open a new selector
 at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:128)
 at io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:120)
 at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:87)
 at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:64)
 ... 25 more
 Caused by: java.io.IOException: Too many open files
 at sun.nio.ch.IOUtil.makePipe(Native Method)
 at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:126)
 ... 28 more

Issue Links

• relates to: DRILL-1735 JDBC driver's close() leaks resources in local mode