[Glass] Clean possible unused indexes structures?

[Dale Henrichs via Glass]

Mariano,

The index data is not the problem ... there are strong dependency links 
between the objects in the index and the index data structures that have 
to be cleaned up and it those links that are troublesome to gc ... and 
those strong links ar ewhat keep the indexes/collections alive even if 
all other connections are severed.

Dale


On 08/15/2017 10:24 AM, Mariano Martinez Peck wrote:
>
>
> On Tue, Aug 15, 2017 at 1:57 PM, Dale Henrichs via Glass 
> <glass at lists.gemtalksystems.com 
> <mailto:glass at lists.gemtalksystems.com>> wrote:
>
>     You can get the list of all collections with nscs by executing the
>     following:
>
>       IndexManager current getAllNscRoots
>
>     Then you can send #removeAllIndexes to each of the collections
>     that should not be indexed ... the process of removing all indexes
>     will remove the collection from IndexManager so that the index
>     structures and the collection itself can be gc'ed ...
>
>
> Thanks Dale for the pointer. Code is running... I will know soon 
> enough if it worked or not.
>
> After having this issue, I was also reading IndexManager class comment:
>
> /" Automatic garbage collection of unreferenced UnorderedCollections 
> is _not_ preformed, so/
> / one must explicitly remove all indexes from an UnorderedCollection 
> that is no longer used./
> /"/
>
> So...my obvious question is...why not storing the indexes directly 
> into the collection? (I won't ask if you thought about it because you 
> obviously did, so there must be reasons)  That would solve GC issue.
>
> Thanks for sharing your thoughts,
>
>
>
>     Dale
>
>
>     On 08/15/2017 06:00 AM, Mariano Martinez Peck via Glass wrote:
>>     Hi Dale,
>>
>>     I have read in the programming guide that one must remove indexes
>>     prior to removing the collection containing them.  I am trying to
>>     understand why my extent has grown way too much recently and I
>>     fear I might have not deleted indexes in all cases.
>>
>>     Is there some magic code to clean indexes structures of possibly
>>     removed collections?
>>
>>     Thanks in advance,
>>
>>     -- 
>>     Mariano
>>     http://marianopeck.wordpress.com <http://marianopeck.wordpress.com>
>>
>>
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>
> -- 
> Mariano
> http://marianopeck.wordpress.com

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