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<p style="margin: 10px 0 0 0; margin-top: 0">What would you think of going for the second choice - to detect affecting fields automatically and allow people to add something similar to AssociateDirty - but disable the whole dirty-checking optimisation by default on each entity? We could make it an attribute at class level @Indexed(enableDirtyCheckingOptimisations=true).</p>
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<p style="margin: 10px 0 0 0; margin-top: 0">And maybe an entity having @Transient properties which affect input of any index field (be it via @Field of custom bridges) should always be considered dirty, at least by default?</p>
</blockquote> <p style="margin: 10px 0 0 0">The dirty-checking optimization already seems disabled on entities which have a @Transient method that is indexed. That was the point of <a href="https://hibernate.atlassian.net/browse/HSEARCH-1096" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://hibernate.atlassian.net/browse/HSEARCH-1096</a>. See here in particular: <a href="https://github.com/hibernate/hibernate-search/commit/4918277bdace4070135140cb89194669ca8fb7e3#diff-a7dba6f969e60bb6ad97cd6879b33fefR486" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://github.com/hibernate/hibernate-search/commit/4918277bdace4070135140cb89194669ca8fb7e3#diff-a7dba6f969e60bb6ad97cd6879b33fefR486</a><br> The fact it was disabled is sensible, but it is precisely the reason I was having performance issues that I wanted to address with this new "substractive" annotation.</p> <p style="margin: 10px 0 0 0">So yes, if the additive method is chosen (even if it's the other, actually), I agree that <tt>@Transient</tt> methods (and <tt>ClassBridge</tt> s) should disable dirty-checking optimization by default. This would have the added benefit of not changing anything for current users, irrespective of the solution ("additive" or "substractive") we choose.</p> <p style="margin: 10px 0 0 0">I don't see the point of <tt>@Indexed(enableDirtyCheckingOptimisations=true)</tt>, though. I think the current way of doing things ensures the index is always up-to-date, to there's no need for users to disable this optimization. The need is more about applying this optimization more often.</p> <p style="margin: 10px 0 0 0">Now, on the choice of the solution itself. I agree the "additive" solution would be more intuitive. But:</p> <p style="margin: 10px 0 0 0"> 1. I'm not sure I'll have the time to look into it anytime soon (especially because I don't know which special cases I'll have to handle, and there might be a lot).<br> 2. The "substractive" solution, on the other hand, is almost ready to commit to the Hibernate Search project, simply because I had to find a quick fix for a client project where we started to have huge performance issues. It's already being used in production environment.<br> 3. Maybe the two solutions are not mutually exclusive. Like I said above, in an entity with few fields but many <tt>@Transient</tt> methods, one would prefer to use the "substractive" solution, while in an entity with many fields but few <tt>@Transient</tt> methods, the contrary would be true. And I don't think using both solutions on the same entity would be problematic.</p> </td>
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