Re: Git is not scalable with too many refs/*

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Martin Fick <mfick@xxxxxxxxxxxxxx> writes:

>> I guess this makes sense, we invalidate the cache and
>> have to rebuild it after every new ref is added? 
>> Perhaps a simple fix would be to move the invalidation
>> right after all the refs are updated?  Maybe
>> write_ref_sha1 could take in a flag to tell it to not
>> invalidate the cache so that during iterative updates it
>> could be disabled and then run manually after the
>> update?
>
> Would this solution be acceptable if I submitted a patch to 
> do it?  My test shows that this will make a full fetch of 
> ~80K changes go from 4:50min to 1:50min,

As long as the resulting code does not introduce new races with another
process updating refs while the bulk update is running, I wouldn't have an
issue with it.
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