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From "Peter Keegan" <>
Subject Re: FieldSortedHitQueue rise in memory
Date Tue, 19 Feb 2008 14:37:05 GMT
Hi Brian,

I ran into something similar a long time ago. My custom sort objects were
being cached by Lucene, but there were too many of them because each one had
different 'reference values' for different queries. So, I changed the equals
and hashcode methods to NOT use any instance data, thus avoiding the

Could this be what you're seeing?


On Feb 18, 2008 4:20 PM, Brian Doyle <> wrote:

> We've implemented a custom sort class and use it to sort by distance.   We
> have implemented the equals and hashcode in the sort comparator.   After
> running for a few hours we're reaching peak memory usage and eventually
> the
> server runs out of memory.   We did some profiling and noticed that a
> large
> chunk of memory is being used in the
>   Has anyone seen this
> behavior before or know how we can stop this
> class from growing in size?

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