[Bug 1909259] [NEW] mlocate stalls out when indexing samba share

[Praxis]

Public bug reported:

I purged and reinstalled mlocate, then I edited /etc/updatedb.conf to
remove cifs from PRUNEFS so mlocate would index files on my local
server. Then I ran updatedb and it almost completely stalled out after a
minute or three regardless of priority (I tried 'nice -n -20). It starts
out only using 2-3% of my reasonably fast 4 core CPU. After a couple of
minutes the process just goes to sleep. ksysguard reports CPU use as
'disk sleep'

The database is growing at a glacial pace.

48762880 Dec 24 14:35 mlocate.db.2if3oZ

49315840 Dec 24 14:51 mlocate.db.2if3oZ

If I put cifs back in /etc/updatedb.conf PRUNEFS the program behaves
reasonably.

Since most of the files that I want to find are on my server this
dramatically reduces the utility of mlocate for me.

It would also be great to be able to add a specific path to
updatedb.conf so mlocate would index my always-on CIFS server that is in
my /etc/fstab but not index other samba shares that happen to be mounted
at the moment, but I guess that is a different boog rep0rt.

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

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https://bugs.launchpad.net/bugs/1909259

Title:
  mlocate stalls out when indexing samba share

Status in mlocate package in Ubuntu:
  New

Bug description:
  I purged and reinstalled mlocate, then I edited /etc/updatedb.conf to
  remove cifs from PRUNEFS so mlocate would index files on my local
  server. Then I ran updatedb and it almost completely stalled out after
  a minute or three regardless of priority (I tried 'nice -n -20). It
  starts out only using 2-3% of my reasonably fast 4 core CPU. After a
  couple of minutes the process just goes to sleep. ksysguard reports
  CPU use as 'disk sleep'

  The database is growing at a glacial pace.

  48762880 Dec 24 14:35 mlocate.db.2if3oZ

  49315840 Dec 24 14:51 mlocate.db.2if3oZ

  If I put cifs back in /etc/updatedb.conf PRUNEFS the program behaves
  reasonably.

  Since most of the files that I want to find are on my server this
  dramatically reduces the utility of mlocate for me.

  It would also be great to be able to add a specific path to
  updatedb.conf so mlocate would index my always-on CIFS server that is
  in my /etc/fstab but not index other samba shares that happen to be
  mounted at the moment, but I guess that is a different boog rep0rt.

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