[Yt-dev] Parameter file store

[Matthew Turk]

That's right, it's completely re-creatable.

On Tue, Mar 3, 2009 at 2:19 PM, david collins <antpuncher at gmail.com> wrote:
> Sure.  So one would need to re-instantiate if something gets bumped off?
>
> d.
>
> On Tue, Mar 3, 2009 at 2:15 PM, Matthew Turk <matthewturk at gmail.com> wrote:
>> Okay, how about this.
>>
>> We make a 'freshness' column in the CSV.  This is a timestamp of the
>> last time the parameter file was used.  This can be the sort field,
>> too.  We'll set a variable -- default it to, say, 300 -- that includes
>> the freshness cutoff in number of parameter files.  Thus, sorted by
>> freshness, we take the last N, where N is set in the parameter file.
>>
>> Sound good?
>>
>> On Tue, Mar 3, 2009 at 1:47 PM, david collins <antpuncher at gmail.com> wrote:
>>>> Wow, you've been analyzing 10,000 parameter files?  Okay.
>>>
>>> Ci.  Making time sequences.  Hundreds/thousands of snapshots from a
>>> dozen sims, and comparing.   (This is why uber)
>>>
>>> Deleting parameter_files.csv is a good workaround for me now, so don't
>>> spend more than 45 seconds on it.  I did this recently, so it's not
>>> huge, only 68 Mb.
>>>
>>> kraken /nics/b/home/collins/.yt/parameter_files.csv
>>>
>>> d.
>>>
>>>>
>>>> One thing I can do is implement a maximum number in the store.  Then
>>>> we can only guarantee objects will be automatically retrieved (without
>>>> having *recently* instantiated the PF) if they were in the last N,
>>>> where N is the number of files we keep in the store.
>>>>
>>>> Can you send me one of your parameter file stores?  Or put it on kraken?
>>>>
>>>> -Matt
>>>> - Show quoted text -
>>>> On Tue, Mar 3, 2009 at 1:04 PM, david collins <antpuncher at gmail.com> wrote:
>>>>> Hey--
>>>>>
>>>>> Not sure if this belongs on the dev list--
>>>>>
>>>>> I've been reading and analyzing large-ish ( O(10,000) ) parameter
>>>>> files, and the parameter_file.csv gets large (300 Mb), which isn't a
>>>>> problem, but when that happens, doing anything (even importing YT)
>>>>> takes forever (> 1 minute to import yt.lagos).
>>>>>
>>>>> I did install the "unboudned growth" fix you sent, still happens.
>>>>>
>>>>> I just noticed that it  happens after your fix yesterday, or I'da said
>>>>> something earlier.
>>>>>
>>>>> d.
>>>>>
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