On Monday, June 16, 2014 1:47:14 PM UTC-4, Brian Marick wrote:
We have a small Clojure app on Heroku that performs backend tasks for a
Rails app. Low traffic (like a request a minute). Heap is 400M. We've been
having long (10 sec) GC pauses using both the default and G1 GC (both
untuned).
On Jun 16, 2014, at 2:57 PM, Daniel Compton d...@danielcompton.net wrote:
You didn't mention whether this was on the free tier or a paid dyno. I would
expect the paid dynos to not be as heavily provisioned and could possibly
alleviate this.
Paid. (And using 2X dynos didn't seem to make a
Have you tried increasing your permgen size?
Loading our codebase uses up just about all of the default Java permgen,
and when it gets close to out I believe I've seen it thrashing the GC on
the main heap.
On Tuesday, June 17, 2014 6:38:46 AM UTC-7, Brian Marick wrote:
On Jun 16, 2014,
Some good tactics at bottom:
https://blogs.oracle.com/poonam/entry/troubleshooting_long_gc_pauses
On Tue, Jun 17, 2014 at 9:38 AM, Brian Marick mar...@exampler.com wrote:
On Jun 16, 2014, at 2:57 PM, Daniel Compton d...@danielcompton.net
wrote:
You didn't mention whether this was on
We have a small Clojure app on Heroku that performs backend tasks for a Rails
app. Low traffic (like a request a minute). Heap is 400M. We've been having
long (10 sec) GC pauses using both the default and G1 GC (both untuned).
Browsing our logs today, I found:
[GC pause (young)
Something I would ask your co-worker is if he has ever run heaps of that
size on Heroku. From what I can tell, Heroku runs on AWS. Not sure if they
are using dedicated boxes under the sheets, but the fact is you are
probably running on a provisioned device. One that may have many other
users. I've
On Jun 16, 2014, at 1:19 PM, Timothy Baldridge tbaldri...@gmail.com wrote:
The rules for debugging this sort of thing are always 1) assume nothing.
Yes, but. The plural of anecdote is data*. If there are five responses saying
we run Clojure on Heroku [or a Heroku-like environment], didn't
You didn't mention whether this was on the free tier or a paid dyno. I would
expect the paid dynos to not be as heavily provisioned and could possibly
alleviate this.
---
Daniel
On 17/06/2014, at 5:47 am, Brian Marick mar...@exampler.com wrote:
We have a small Clojure app on Heroku that
