[STORM-250] Storm UI: Too many open files

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: storm-core
• Labels: storm ui

Environment

# cat /etc/redhat-release
CentOS release 6.2 (Final)
# uname -a
Linux {{redacted}} 2.6.32-220.el6.x86_64 #1 SMP Tue Dec 6 19:48:22 GMT 2011 x86_64 x86_64 x86_64 GNU/Linux
# ulimit -a
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 30514
max locked memory (kbytes, -l) 64
max memory size (kbytes, -m) unlimited
open files (-n) 1024
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) 10240
cpu time (seconds, -t) unlimited
max user processes (-u) 1024
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited

• Assignee: Unassigned
• Reporter: Vito Laurenza
• Created: 04/Mar/14 16:07
• Updated: 09/Oct/15 00:23

Description

Occasionally, the ui daemon runs out of available file handles and can't open a socket to the nimbus:

1. grep -A1 ERROR ui.log
   2014-02-28 07:44:14 o.a.t.t.TSocket [ERROR] Could not configure socket.
   java.net.SocketException: Too many open files
   –
   2014-03-01 16:44:10 o.a.t.t.TSocket [ERROR] Could not configure socket.
   java.net.SocketException: Too many open files
   –
   2014-03-03 01:29:04 o.a.t.t.TSocket [ERROR] Could not configure socket.
   java.net.SocketException: Too many open files
   –
   2014-03-03 01:34:04 o.a.t.t.TSocket [ERROR] Could not configure socket.
   java.net.SocketException: Too many open files
   –
   2014-03-04 09:39:01 o.a.t.t.TSocket [ERROR] Could not configure socket.
   java.net.SocketException: Too many open files
   –
   2014-03-04 09:45:33 o.a.t.t.TSocket [ERROR] Could not configure socket.
   java.net.SocketException: Too many open files