3,397 reputation
31437
bio website yandex.ru/search
location Russia
age 27
visits member for 5 years, 6 months
seen Dec 11 at 22:58

Mad Skillz:

 - Programming
 - System Administration
 - L2/L3/L4 network knowledge
 - FreeBSD and Linux experience
 - Highload passion
 - HPC(GPFS/Infiniband) user
 - IPv6 evangelist
 - nginx fan
 - p2p lover

Nov
29
awarded  Caucus
Nov
24
answered Oops in syslog and freeze the server with docker
Sep
30
awarded  Explainer
Sep
20
answered Linux Network tuning to prevent tcp rcvpruned and backlogdrop?
May
30
awarded  Yearling
Apr
24
comment FreeBSD Established Connections Maxing out at 300
It's most likely application scalability issue not connected to kernel.
Apr
24
comment “show_signal_msg: N callbacks suppressed” then pegged at 100% and machine unresponsive
No, I just suggested that "unresponsiveness" can be connected to codedumps being written to disk.
Apr
23
comment “show_signal_msg: N callbacks suppressed” then pegged at 100% and machine unresponsive
If 12 callbacks from show_signal_msg were suppressed that means that something segfaulted 13 times in a row. Do you have coredumps enabled on that box?
Apr
17
comment kvm hypervisor kernel panic
Memory failure? What does SEL (System Event Log) says?
Apr
11
reviewed Reject What is the t in drwxrwxrwt or the value of t?
Apr
2
revised How to safely restart an ubuntu server lamp stack?
edited tags
Mar
11
comment Centos 6.5 crashing with kernel panics
I suspect CPU failure.
Mar
11
answered bad page map bug during snapshot
Mar
3
revised Why does 1GBit card have output limited to 80 MiB?
added 37 characters in body
Feb
16
reviewed Approve How can I drop privileges and still clean up my pid file in /var/run?
Feb
14
comment freebsd 7.2 kern.threads.max_threads_per_proc doesn't change after reboot
kern.threads.max_threads_per_proc is read-write tunable so you should place it in /etc/sysctl.conf
Feb
6
comment Java causing kernel panic
It's kernel panic in interrupt context - most likely java is not a culprit there - just interrupt happen to strike in the middle of java execution.
Jan
24
revised FreeBSD performance tuning. Sysctls, loader.conf, kernel
What's new for FreeBSD 11 link
Jan
20
revised What is creating the generated/autoconf.h?
edited tags
Jan
13
comment ext4 production ready on kernel 2.6.32 (debian6)?
Bugfixes are already done by LTS (long term support) kernel maintainers. Backporting new hardware support and features is crucial for Enterprise distros, otherwise for example you would not be able to run RHEL5 on modern hardware at all. Also if RedHat would not backport features from recent kernels it will loose customers. Anyway just look at release notes of RHEL 6.5: access.redhat.com/site/documentation/en-US/… and look for has been added or support for.