Re: *SPAM* Re: mod_proxy_balancer issue

2008-08-28 Thread Mladen Turk
Jim Jagielski wrote: As Mladen said, there is some very prelim discussions regarding key aspects of these issue on the httpd-dev list. But it is hardly unique to mod_proxy (mod_dbd could also use a nice robust watchdog hook implementation). Correct. The bottom line is like you said to move di

Re: *SPAM* Re: mod_proxy_balancer issue

2008-08-28 Thread Jim Jagielski
On Aug 28, 2008, at 9:47 AM, Jess Holle wrote: Agreed, but this is concerning *both* mod_jk and mod_proxy and I've been scolded for cross posting... Well, I would say that both mod_jk and mod_proxy are affected by the "same phenomenon" but proposed fixes for mod_proxy shouldn't be discussed

Re: mod_proxy_balancer issue

2008-08-28 Thread Jess Holle
Jess Holle wrote: Agreed, but this is concerning *both* mod_jk and mod_proxy and I've been scolded for cross posting... At the core, I'm looking for 2 things: 1. Something to limit the maximum impact of having many dead workers under a load balancer on normal requests * Assu

Re: mod_proxy_balancer issue

2008-08-28 Thread Jess Holle
Jim Jagielski wrote: On Aug 28, 2008, at 12:41 AM, Mladen Turk wrote: Jess Holle wrote: P.S. I'd also like to quiet attempts to recover workers from errors to a lower (and by default unlogged) logging level. The transition of a worker into an error state should certainly be logged, but log

Re: mod_proxy_balancer issue

2008-08-28 Thread Jim Jagielski
On Aug 28, 2008, at 12:41 AM, Mladen Turk wrote: Jess Holle wrote: P.S. I'd also like to quiet attempts to recover workers from errors to a lower (and by default unlogged) logging level. The transition of a worker into an error state should certainly be logged, but logging every time we

Re: mod_proxy_balancer issue

2008-08-28 Thread Jess Holle
Mladen Turk wrote: Jess Holle wrote: P.S. I'd also like to quiet attempts to recover workers from errors to a lower (and by default unlogged) logging level. The transition of a worker into an error state should certainly be logged, but logging every time we find it to still be in an error sta

Re: mod_proxy_balancer issue

2008-08-27 Thread Mladen Turk
Jess Holle wrote: P.S. I'd also like to quiet attempts to recover workers from errors to a lower (and by default unlogged) logging level. The transition of a worker into an error state should certainly be logged, but logging every time we find it to still be in an error state seems to be exces

Re: mod_proxy_balancer issue

2008-08-27 Thread Jess Holle
P.S. I'd also like to quiet attempts to recover workers from errors to a lower (and by default unlogged) logging level. The transition of a worker into an error state should certainly be logged, but logging every time we find it to still be in an error state seems to be excessive -- at least f

Re: mod_proxy_balancer issue

2008-08-27 Thread Jess Holle
Jess Holle wrote: Jess Holle wrote: Mladen Turk wrote: Jess Holle wrote: Mladen Turk wrote: Is there a means of achieving background-only (or nearly so) testing of dead workers with mod_jk? That's what I'm looking for in both jk and mod_proxy_ajp connectors. I guess I was hoping/assuming

Re: mod_proxy_balancer issue

2008-08-27 Thread Jess Holle
Jess Holle wrote: Jess Holle wrote: Mladen Turk wrote: Jess Holle wrote: Mladen Turk wrote: Is there a means of achieving background-only (or nearly so) testing of dead workers with mod_jk? That's what I'm looking for in both jk and mod_proxy_ajp connectors. I guess I was hoping/assuming

Re: mod_proxy_balancer issue

2008-08-27 Thread Jess Holle
Jess Holle wrote: Mladen Turk wrote: Jess Holle wrote: Mladen Turk wrote: Is there a means of achieving background-only (or nearly so) testing of dead workers with mod_jk? That's what I'm looking for in both jk and mod_proxy_ajp connectors. I guess I was hoping/assuming it was there in mo

Re: mod_proxy_balancer issue

2008-08-27 Thread Jess Holle
Jess Holle wrote: Add JkWatchdogInterval 60 Also how/where would one specify this for the IIS/Tomcat connector? [I need such a capability for IIS and Apache 2.2, specifically.] -- Jess Holle - To unsubscribe, e-mail: [EMAIL

Re: mod_proxy_balancer issue

2008-08-27 Thread Jess Holle
Mladen Turk wrote: Jess Holle wrote: Mladen Turk wrote: Is there a means of achieving background-only (or nearly so) testing of dead workers with mod_jk? That's what I'm looking for in both jk and mod_proxy_ajp connectors. I guess I was hoping/assuming it was there in mod_jk from reading t

Re: mod_proxy_balancer issue

2008-08-27 Thread Mladen Turk
Jess Holle wrote: Mladen Turk wrote: Is there a means of achieving background-only (or nearly so) testing of dead workers with mod_jk? That's what I'm looking for in both jk and mod_proxy_ajp connectors. I guess I was hoping/assuming it was there in mod_jk from reading the docs. There i

Re: mod_proxy_balancer issue

2008-08-27 Thread Jess Holle
Mladen Turk wrote: Jess Holle wrote: I'm quite willing to help, but you're clearly much more familiar with both mod_jk and APR/MPM than I am, so I suspect I'd just get in the way except at the testing level. Well, I plan to create mpm watchdog hook system first. I'll also create a small call

Re: mod_proxy_balancer issue

2008-08-26 Thread Jess Holle
Mladen Turk wrote: Jess Holle wrote: I'm quite willing to help, but you're clearly much more familiar with both mod_jk and APR/MPM than I am, so I suspect I'd just get in the way except at the testing level. Well, I plan to create mpm watchdog hook system first. I'll also create a small call

Re: mod_proxy_balancer issue

2008-08-26 Thread Mladen Turk
Jess Holle wrote: I'm quite willing to help, but you're clearly much more familiar with both mod_jk and APR/MPM than I am, so I suspect I'd just get in the way except at the testing level. Well, I plan to create mpm watchdog hook system first. I'll also create a small callback in mod_proxy

Re: mod_proxy_balancer issue

2008-08-26 Thread Jess Holle
Mladen Turk wrote: Jess Holle wrote: I want to use mod_proxy_balancer to load balance over a set of ports that potentially have Tomcats running on them. Unfortunately there will generally be a good number of ports where no Tomcat is running. Every 'retry' seconds I have a request that takes

Re: mod_proxy_balancer issue

2008-08-25 Thread Mladen Turk
Jess Holle wrote: I want to use mod_proxy_balancer to load balance over a set of ports that potentially have Tomcats running on them. Unfortunately there will generally be a good number of ports where no Tomcat is running. Every 'retry' seconds I have a request that takes about an extra seco

mod_proxy_balancer issue

2008-08-25 Thread Jess Holle
I want to use mod_proxy_balancer to load balance over a set of ports that potentially have Tomcats running on them. Unfortunately there will generally be a good number of ports where no Tomcat is running. Every 'retry' seconds I have a request that takes about an extra second for each Tomcat-