Date: Thu, 22 Feb 2018 07:50:37 +0100 From: Karli =?ISO-8859-1?Q?Sj=F6berg?= <karli@inparadise.se> To: Marcin Cieslak <saper@saper.info> Cc: ports@freebsd.org, ruby@freeebsd.org Subject: Re: monitoring ruby app memory usage with passenger-recycler (was: Cannot require library for passenger in ruby) Message-ID: <1519282237.1980.26.camel@inparadise.se> In-Reply-To: <nycvar.OFS.7.76.6.1802202034350.2659@z.fncre.vasb> References: <nycvar.OFS.7.76.6.1802202034350.2659@z.fncre.vasb>
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--=-pMZNubfP/BdZAwM60cNO Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Tue, 2018-02-20 at 21:31 +0000, Marcin Cieslak wrote: > On Mon, 19 Feb 2018, Karli Sj=C3=B6berg wrote: >=20 > > > What is the tool you are trying to deploy? foreman_maintain? >=20 > Sorry, I was too quick. This foreman_main is used to download/update > foreman > from RedHat Satellite servers, which is not what you want. Well, I want the "foreman_maintain" package, which includes "passenger- recycler", so I guess I do want it :) >=20 > However, the passenger-recycler script is a standalone script which > could possibly used with this little fix: Ooh, awesome! Yeah, should=C2=B4ve figured since it=C2=B4s only at 0.1.3 :) >=20 > https://github.com/theforeman/foreman_maintain/pull/143 >=20 > To apply this, please add files/patch-bin_passenger-recycler in the > port I've sent before: >=20 > --- bin/passenger-recycler.orig 2018-02-20 21:09:18 UTC > +++ bin/passenger-recycler > @@ -41,10 +41,10 @@ def process_status?(pid) > end > =20 > require 'phusion_passenger' > +PhusionPassenger.locate_directories > require 'phusion_passenger/platform_info' > require 'phusion_passenger/platform_info/ruby' > require 'phusion_passenger/admin_tools/memory_stats' > -PhusionPassenger.locate_directories > stats =3D PhusionPassenger::AdminTools::MemoryStats.new > unless stats.platform_provides_private_dirty_rss_information? > puts 'Please run as root or platform unsupported' Yes, this works, thanks! >=20 >=20 > But the real problem is that Passenger does think it supports > getting process private dirty RSS memory information only on Linux: >=20 > https://github.com/phusion/passenger/blob/219ad24159ae4033a342e6ad753 > cfee05d98bae0/src/ruby_supportlib/phusion_passenger/admin_tools/memor > y_stats.rb#L121 >=20 > In file > src/ruby_supportlib/phusion_passenger/admin_tools/memory_stats.rb: >=20 > 120 def platform_provides_private_dirty_rss_information? > 121 return os_name_simple =3D=3D "linux" > 122 end >=20 > This support probably would need to be written. So, unfortunately, > passenger-recycler > as written will exit with: >=20 > Please run as root or platform unsupported Yes, I have now gotten to this stage at least, thank you very much! I don=C2=B4t mind having a look at it, it might be simplest thing to write, o= r it=C2=B4s hell, but I=C2=B4ll have a look! Thank you for pointing me in the right direction! /K >=20 > But passenger-recycler does something very simple - if the amount of > "private resident RSS > memory" is higher than specified amount in the configuration file, it > kills the process. >=20 > You might get a much better monitoring on FreeBSD by monitoring the > output of >=20 > procstat -v <processid> >=20 > which will give you details about the memory usage of the process and > see how it is growing > over time. Maybe you can pinpoint the shared library that causes > this, if you are lucky. >=20 > Marcin --=-pMZNubfP/BdZAwM60cNO Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQEcBAABCAAGBQJajmg9AAoJEBpo164N2cuRFowH/3/n9zbuBp1cdrgU2V1jzdhP Vhg31jJ60YfzIKnoSpneie69wJq2jVc5YxSu374MB55vpx+oAfBrqESchfb+OXTw tp+EMoZfIG2eHBC3kzoEcInv9XB4fXMqFZdGFPREZ67S5ws1B9oU2Mm/m507U93o k2IENLpPjEh9mgXKAsYyfpsvRbqnq7ePjzFSFIRS+H3n9PY9rI1S3YSOoz9tCa+P nxRsZ8+kocO0MANUPu7DHPtPMl8jcskyl4YkXlGr2gIpmjZfIxOWqprBrfF72gU/ dGZVxaFP7ySPuNyU/ZDsvh+iF0twaKy21nOVptXzvoo4jowfRPGe4leafuKkGGw= =F6f6 -----END PGP SIGNATURE----- --=-pMZNubfP/BdZAwM60cNO--
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