Re: Avoid LDAP hit during completion

[Chris wong <chris_wong@mac.com>]

Peter, thanks for the xtrace trick.  Here is the partial output. The  
completion slow down (or appeared to be frozen) at _all_labels:39,  
(boxed up in asterisks below).  Any help would be much appreciated.

+_description:35> zstyle -a :completion::complete:cd::users  
ignored-patterns _comp_ignore
+_description:38> zstyle -s :completion::complete:cd::users ignore-line  
hidden
+_description:49> ((  1  ))
+_description:49> opts=( -F _comp_ignore )
+_description:54> tag=users
+_description:56> shift 2
+_description:57> [[ -z user ]]
+_description:59> [[ -n '' ]]
+_description:63> [[ -n '' ]]
+_description:70> [[ -n '' ]]
+_description:73> set -A expl -F _comp_ignore -J -default-
+_description:77> ((  0  ))
+_description:78> zstyle -a :completion::complete:cd::users fake match
+_description:88> return 0
************************************************************************ 
**
* +_all_labels:39> compadd -F _comp_ignore -J -default- -qS/ -k  
userdirs *
************************************************************************ 
**
+_all_labels:26> comptags -A users curtag __spec
+_all_labels:43> return __ret
+_wanted:9> _tags
+_tags:3> local prev
+_tags:10> [[ '' == -- ]]
+_tags:15> ((  0  ))
+_tags:66> comptags -N
+_wanted:13> return 1
+_tilde:24> _requested named-directories expl 'named directory' compadd  
-qS/ -k nameddirs
+_requested:3> local __gopt
+_requested:5> __gopt=( )
+_requested:6> zparseopts -D -a __gopt 1 2 V J x
+_requested:8> comptags -R named-directories
+_requested:9> [[ 7 -gt 3 ]]
+_requested:10> _all_labels - named-directories expl 'named directory'  
compadd -qS/ -k nameddirs
+_all_labels:3> local __gopt __len __tmp __pre __suf '__ret=1' __descr  
__spec __prev
+_all_labels:5> [[ - == - ]]
+_all_labels:6> __prev=-
+_all_labels:7> shift
+_all_labels:10> __gopt=( )
+_all_labels:11> zparseopts -D -a __gopt 1 2 V J x
+_all_labels:13> __tmp=8
+_all_labels:14> __len=7
+_all_labels:15> [[ __tmp -lt __len ]]
+_all_labels:18> [[ __tmp -eq 7 ]]
+_all_labels:22> __pre=4
+_all_labels:23> __suf=5
+_all_labels:26> comptags -A- named-directories curtag __spec
+_all_labels:27> ((  9 > _tags_level  ))
+_all_labels:28> _tags_level=9
+_all_labels:29> _comp_tags=' local-directories  users  users   
named-directories '
+_all_labels:30> [[ named-directories == '*[^\]:*' ]]
+_all_labels:37> _description named-directories expl 'named directory'

--
Chris

On Jun 7, 2005, at 9:27 AM, Chris Wong wrote:

> I'll try that today.  Unfortunately, it doesn't always freeze up at  
> the first completion attempt.  I though it did for the first time, but  
> found out otherwise.  It may have to do with the caching happening at  
> the DirectoryService on Mac. It seems to always happen at the worst  
> possible time such as doing a demo/presentation. :-)
>
> Thanks
> Chris
>
> On Jun 7, 2005, at 2:26 AM, Peter Stephenson wrote:
>
>> Chris Wong wrote:
>>
>>> For some reason, whenever I start a zsh shell, the first completion
>>> will trigger many many LDAP lookup.
>>>
>>> % cd foo<TAB>
>>>
>>> As soon as I hit TAB, the shell appears as frozen, but at the
>>> background, it's hitting the LDAP server of my company network.  This
>>> will go one for a couple minutes, at least.  tcpdump and top revealed
>>> that mystery to me.
>>>
>>
>> Are you using the new completion system (with compinit)?  The best way
>> of tracking this down would be to see what the completion scripts are
>> doing.  You can arrange this with
>>
>> _comp_setup="$_comp_setup
>> setopt xtrace"
>>
>> This produces a huge amount of output so is useless for normal
>> completion but you should be able to see where the shell is pausing  
>> for
>> a long time.
>>
>> -- 
>> Peter Stephenson <pws@csr.com>                  Software Engineer
>> CSR PLC, Churchill House, Cambridge Business Park, Cowley Road
>> Cambridge, CB4 0WZ, UK                          Tel: +44 (0)1223  
>> 692070
>>
>>
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>