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https://issues.apache.org/jira/browse/OAK-9651?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nitin Gupta updated OAK-9651:
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Fix Version/s: 1.22.11
> Protection against very large queries
> -------------------------------------
>
> Key: OAK-9651
> URL: https://issues.apache.org/jira/browse/OAK-9651
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Reporter: Mohit Kataria
> Assignee: Mohit Kataria
> Priority: Major
> Fix For: 1.42.0, 1.22.11
>
>
> There are cases where system runs out of memory because very large queries (5
> MB / around 30'000 lines of text each) were run and QueryStatsMbean consuming
> huge memory.
> We should have some protection against such queries. Options are:
> * We can log a warning if the query is longer than e.g. 100 KB.
> * A query longer than e.g. 1 MB might just throw an exception.
> * The query statistic should probably not collect statistic for such long
> queries. We could shrink the query text in the statistic collection to e.g.
> at most 2 KB per query. Truncating it, or, probably better, only retaining
> the first and last 1 KB.
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