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Posted to bugs@httpd.apache.org by bu...@apache.org on 2022/09/22 11:24:09 UTC
[Bug 66273] New: Traffic is halted in apache when one of the worker network connection is down
https://bz.apache.org/bugzilla/show_bug.cgi?id=66273
Bug ID: 66273
Summary: Traffic is halted in apache when one of the worker
network connection is down
Product: Apache httpd-2
Version: 2.4.34
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: mod_proxy_balancer
Assignee: bugs@httpd.apache.org
Reporter: lepakshidivakar@gmail.com
Target Milestone: ---
In loadbalancer config file ,below two works are configured. When high load is
running , one of the worker network interface is down (to check the robustness
- 10.192.1.2 ). On Apache , there was not traffic is passed for almost 60 secs
or more. And there were some timeout and 503 errors are client side.
No other timeouts are set in the apache configuration.
BalancerMember https://10.192.1.2:9443 ttl=60
BalancerMember https://10.192.1.3:9443 ttl=60
Expectation is apache should halt the traffic for 60 secs , it should divert
the traffic to working worker (10.192.1.3).
Could you please help me understanding apache behavior when some of the
workers down and is there any configuration can be used for turning the
behavior.
Let me know if any more information is needed
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[Bug 66273] Traffic is halted in apache when one of the worker network connection is down
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=66273
--- Comment #2 from MDReddy <le...@gmail.com> ---
Update : Performed the same test with connectiontimeout=5 and results are
little different compare to above mentioned. There was no halt seen but no of
requests sent to other node is very limited. Throughput was very down for 2 or
3 minutes and later healthy worker picked up the load . Apache should send the
traffic to other worker when one worker is down and there would be any delay in
traffic.
proxy_hcheck_module (hcmethod=TCP hcinterval=2 hcpasses=1 hcfails=1
connectiontimeout=5) also used in the configuration and there was no different
in the above behaviour. Very slow traffic was observed significant time(1 to 3
minutes ) before increasing the load on healthy worker.
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[Bug 66273] Traffic is halted in apache when one of the worker network connection is down
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=66273
MDReddy <le...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
OS| |All
--- Comment #1 from MDReddy <le...@gmail.com> ---
In loadbalancer config file ,below two workers are configured. When high load
is running , one of the worker network interface is down (to check the
robustness - 10.192.1.2 ). On Apache , there was no traffic passed for almost
60 secs or more. And there were some timeouts and 503 errors are on client
side.
There is no timeout related configurations are configured in apache
configuration.
BalancerMember https://10.192.1.2:9443 ttl=60
BalancerMember https://10.192.1.3:9443 ttl=60
Expectation is apache should not halt the traffic for 60 secs , it should
divert the traffic to working worker (10.192.1.3).
Could you please help me understanding apache behaviour when some of the
workers down and is there any configuration can be used for turning the
behaviour.
Let me know if any more information is needed
--
You are receiving this mail because:
You are the assignee for the bug.
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