apache / apache/lucene

Track down performance regression on BulkPostings [LUCENE-2890]

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affects-version:Bulk Postings branch legacy-jira-fix-version:6.0 legacy-jira-priority:Major type:task
Dominant language
Java
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Description

Spinoff from #3797 - since we are seeing performance regression on BulkPostings especially for advance/jump calls we should track that those down rather sooner than later.

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Migrated from [LUCENE-2890](https://issues.apache.org/jira/browse/LUCENE-2890) by Simon Willnauer (@s1monw), updated May 09 2016
Linked issues:
- #3797

Contributor guide

Open the contributing guide

Research direction

The issue names BulkPostings and its advance/jump calls; start by reading linked issue #3797 and locating that implementation and any existing performance measurements. Done means the regression is reproduced, its cause is identified, and the relevant performance check confirms the result.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
performance, search
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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