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[Bug 1609656] [NEW] Is it really necessary for glance-api & glance-registry to spawn themselves 8 times, eating up 1.3 GB of RAM

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: jean-christophe manciot <manciot.jeanchristophe@xxxxxxxxx>
Date: Thu, 04 Aug 2016 06:56:28 -0000
Reply-to: Bug 1609656 <1609656@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

Ubuntu 16.04 4.4.0-31
glance-api, glance-registry & python-glance 2:12.0.0-0ubuntu2

ps auxf | grep glance-reg
glance    4949  0.0  0.5 163484 90740 ?        Ss   08:04   0:01 /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf --log-file=/var/log/glance/glance-registry.log
glance    5232  0.0  0.5 163484 85580 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf --log-file=/var/log/glance/glance-registry.log
glance    5233  0.0  0.5 163484 85580 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf --log-file=/var/log/glance/glance-registry.log
glance    5234  0.0  0.5 163484 85580 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf --log-file=/var/log/glance/glance-registry.log
glance    5235  0.0  0.5 163484 85580 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf --log-file=/var/log/glance/glance-registry.log
glance    5236  0.0  0.5 163484 85580 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf --log-file=/var/log/glance/glance-registry.log
glance    5237  0.0  0.5 163484 85580 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf --log-file=/var/log/glance/glance-registry.log
glance    5238  0.0  0.5 163484 85580 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf --log-file=/var/log/glance/glance-registry.log
glance    5239  0.0  0.5 163484 85580 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf --log-file=/var/log/glance/glance-registry.log
root     23485  0.0  0.0  12880  1016 pts/2    S+   08:42   0:00      \_ grep --color=auto glance-reg
root@samsung-ubuntu:/home/actionmystique/Program-Files/Ubuntu/PPA# ps auxf | grep glance-api
glance    4952  0.7  0.6 226156 101608 ?       Ss   08:04   0:18 /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf --log-file=/var/log/glance/glance-api.log
glance    5240  0.0  0.5 226156 93388 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf --log-file=/var/log/glance/glance-api.log
glance    5241  0.0  0.5 226156 93388 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf --log-file=/var/log/glance/glance-api.log
glance    5242  0.0  0.5 226156 93388 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf --log-file=/var/log/glance/glance-api.log
glance    5243  0.0  0.5 226156 93388 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf --log-file=/var/log/glance/glance-api.log
glance    5244  0.0  0.5 226156 93388 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf --log-file=/var/log/glance/glance-api.log
glance    5245  0.0  0.5 226156 93388 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf --log-file=/var/log/glance/glance-api.log
glance    5246  0.0  0.5 226156 93388 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf --log-file=/var/log/glance/glance-api.log
glance    5247  0.0  0.5 226156 93388 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf --log-file=/var/log/glance/glance-api.log
root     25139  0.0  0.0  12880   980 pts/2    S+   08:44   0:00      \_ grep --color=auto glance-api

** Affects: glance
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1609656

Title:
  Is it really necessary for glance-api & glance-registry to spawn
  themselves 8 times, eating up 1.3 GB of RAM

Status in Glance:
  New

Bug description:
  Ubuntu 16.04 4.4.0-31
  glance-api, glance-registry & python-glance 2:12.0.0-0ubuntu2

  ps auxf | grep glance-reg
  glance    4949  0.0  0.5 163484 90740 ?        Ss   08:04   0:01 /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf --log-file=/var/log/glance/glance-registry.log
  glance    5232  0.0  0.5 163484 85580 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf --log-file=/var/log/glance/glance-registry.log
  glance    5233  0.0  0.5 163484 85580 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf --log-file=/var/log/glance/glance-registry.log
  glance    5234  0.0  0.5 163484 85580 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf --log-file=/var/log/glance/glance-registry.log
  glance    5235  0.0  0.5 163484 85580 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf --log-file=/var/log/glance/glance-registry.log
  glance    5236  0.0  0.5 163484 85580 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf --log-file=/var/log/glance/glance-registry.log
  glance    5237  0.0  0.5 163484 85580 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf --log-file=/var/log/glance/glance-registry.log
  glance    5238  0.0  0.5 163484 85580 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf --log-file=/var/log/glance/glance-registry.log
  glance    5239  0.0  0.5 163484 85580 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-registry --config-file=/etc/glance/glance-registry.conf --log-file=/var/log/glance/glance-registry.log
  root     23485  0.0  0.0  12880  1016 pts/2    S+   08:42   0:00      \_ grep --color=auto glance-reg
  root@samsung-ubuntu:/home/actionmystique/Program-Files/Ubuntu/PPA# ps auxf | grep glance-api
  glance    4952  0.7  0.6 226156 101608 ?       Ss   08:04   0:18 /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf --log-file=/var/log/glance/glance-api.log
  glance    5240  0.0  0.5 226156 93388 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf --log-file=/var/log/glance/glance-api.log
  glance    5241  0.0  0.5 226156 93388 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf --log-file=/var/log/glance/glance-api.log
  glance    5242  0.0  0.5 226156 93388 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf --log-file=/var/log/glance/glance-api.log
  glance    5243  0.0  0.5 226156 93388 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf --log-file=/var/log/glance/glance-api.log
  glance    5244  0.0  0.5 226156 93388 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf --log-file=/var/log/glance/glance-api.log
  glance    5245  0.0  0.5 226156 93388 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf --log-file=/var/log/glance/glance-api.log
  glance    5246  0.0  0.5 226156 93388 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf --log-file=/var/log/glance/glance-api.log
  glance    5247  0.0  0.5 226156 93388 ?        S    08:04   0:00  \_ /usr/bin/python /usr/bin/glance-api --config-file=/etc/glance/glance-api.conf --log-file=/var/log/glance/glance-api.log
  root     25139  0.0  0.0  12880   980 pts/2    S+   08:44   0:00      \_ grep --color=auto glance-api

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Follow ups

[Bug 1609656] Re: Is it really necessary for glance-api & glance-registry to spawn themselves 8 times, eating up 1.3 GB of RAM
From: Ian Cordasco, 2016-08-05