vsftpd uses ext4-formatted filesystem over the Provisioned IOPS (SSD) of
type gp2 volume.
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https://bugs.launchpad.net/bugs/1406605
Title:
vsftp processes crashes Ubuntu
Sorry there are lots of
INFO: task vsftpd:31878 blocked for more than 120 seconds. errors in the
kernel logs also:
Dec 30 12:09:06 localhost kernel: [ 841.204124] INFO: task vsftpd:31878
blocked for more than 120 seconds.
Dec 30 12:09:06 localhost kernel: [ 841.206412] Not tainted
3.13.
Public bug reported:
We've started using vsftpd on an Amazon EC2 instance like 2 months ago.
Server is getting very high concurrent ftp traffic.
But when the concurrency gets higher, vsftpd (standalone version) processes
start to eat up more and more memory (totally all vsftpd processes together