[Bug 795673] [NEW] init.d restart operation can fail without proper notice if the memcached process takes a long time (> 1s) to shut down

[trent strong]

Public bug reported:

Binary package hint: memcached

I have noticed that sometimes on a production memcached service the
restart command is not always reliable.  If the memcached process has
allocated a lot of memory, it sometimes take a little while to shut
down.

The init.d script seems to approach this by inserting a "sleep 1" between the stop and start operations, but that's not always enough.
When the memcached service is started again it will fail to start with the error "failed to listen on TCP port XXXXX: Address already in use" since the dying process still owns the port.

Release: Ubuntu 10.10


memcached:
  Installed: 1.4.5-1ubuntu1
  Candidate: 1.4.5-1ubuntu1
  Version table:
 *** 1.4.5-1ubuntu1 0
        500 http://us-east-1.ec2.archive.ubuntu.com/ubuntu/ maverick/main amd64 Packages
        100 /var/lib/dpkg/status

** Affects: memcached (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/795673

Title:
  init.d restart operation can fail without proper notice if the
  memcached process takes a long time (> 1s) to shut down

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