[Beowulf] Poll - Directory implementation

[Ryan Novosielski]

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On 10/24/2018 03:51 PM, Prentice Bisbal via Beowulf wrote:
> On 10/24/2018 01:50 PM, Ryan Novosielski wrote:
> 
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>> 
>> On 10/24/2018 01:44 PM, Michael Di Domenico wrote:
>> 
>>> i don't want to diverge this thread from the OP, but how fast
>>> does ldap really need to be?  i have ~700 machines talking to
>>> two openldap servers w/ ssl enabled.  we have to run nslcd on
>>> the clients, but all is well
>> It's somewhat relevant, given someone's consideration of
>> migration.
>> 
>> Faster than ours! We have a single at the moment (the VM is
>> movable so we don't really need it for high availability), but we
>> are having problems with certain operations (like ls -la /home).
>> Our case appears as if it might be related to our VM
>> infrastructure or some tuning parameter that is very wrong. I've
>> done the usual things (indexing on uidNumber and gidNumber, etc.)
>> but haven't had a ton of luck so far.
> 
> I have to ask the obvious question, which you probably did
> already:
> 
> Did you do an 'ls -lna' and compare that to 'ls -la'?

Yup, the former is instantaneous, the latter tens of seconds (hence
blaming LDAP).

- -- 
 ____
 || \\UTGERS,     |----------------------*O*------------------------
 ||_// the State  |    Ryan Novosielski - novosirj at rutgers.edu
 || \\ University | Sr. Technologist - 973/972.0922 ~*~ RBHS Campus
 ||  \\    of NJ  | Office of Advanced Res. Comp. - MSB C630, Newark
      `'
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