[ https://issues.apache.org/jira/browse/MINIFI-498?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Aldrin Piri reassigned MINIFI-498: ---------------------------------- Assignee: Corinne Jukes (was: Aldrin Piri) > C2 Server Error - Too Many Open Files > ------------------------------------- > > Key: MINIFI-498 > URL: https://issues.apache.org/jira/browse/MINIFI-498 > Project: Apache NiFi MiNiFi > Issue Type: Bug > Components: Command and Control > Affects Versions: 0.5.0 > Environment: OS: Amazon Linux 2 (4.14.77-86.82.amzn2.x86_64) > Java: 1.8.0_191-b12 > ulimits: > core file size (blocks, -c) 0 > data seg size (kbytes, -d) unlimited > scheduling priority (-e) 0 > file size (blocks, -f) unlimited > pending signals (-i) 31769 > max locked memory (kbytes, -l) 64 > max memory size (kbytes, -m) unlimited > open files (-n) 50000 > pipe size (512 bytes, -p) 8 > POSIX message queues (bytes, -q) 819200 > real-time priority (-r) 0 > stack size (kbytes, -s) 8192 > cpu time (seconds, -t) unlimited > max user processes (-u) 10000 > virtual memory (kbytes, -v) unlimited > file locks (-x) unlimited > Reporter: Michael > Assignee: Corinne Jukes > Priority: Blocker > Fix For: 0.6.0 > > > After several days of running C2 the errors are being logged about having > "Too Many Open Files". At this point, C2 is not responsive to clients trying > to check for new configurations. > _33e79e: Too many open files_ > _Apr 29 14:33:22 ********ec2.internal c2.sh[20851]: Caused by: > java.nio.file.FileSystemException: > /opt/minifi-c2/./files/5233730D-AC58-4853-9C0E-273D0E_ > > Running _lsof_ shows an increasingly larger number of open files. Our MiNiFi > instances are checking for new files every few seconds (probably too short), > but it seems like maybe some file handles are not being cleaned up. > Restarting C2 clears up this condition and C2 becomes responsive again. -- This message was sent by Atlassian Jira (v8.3.4#803005)