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From Apoorv Naik <>
Subject Review Request 61667: ATLAS-2044: In-memory filtering after index query
Date Tue, 15 Aug 2017 18:19:06 GMT

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Review request for atlas, Ashutosh Mestry, Madhan Neethiraj, and Sarath Subramanian.

Bugs: ATLAS-2044

Repository: atlas


In-memory filtering is needed to weed out any false positive results from index query. False
positive matches happen when the search string is present "as is" after a special token which
is used by the indexer (solr, elasticsearch) to tokenize the string (during indexing as well
as querying)


name = /a/b/c

search string "a", "b", "c" will match this name every time under equality, startsWith, endsWith
check as it's present immediately after the special token.

The patch adds extra level of filtering on the the result set obtained from the index query.


  repository/src/main/java/org/apache/atlas/discovery/ 74197ca8

  repository/src/main/java/org/apache/atlas/discovery/ 9cd83fb4

  repository/src/main/java/org/apache/atlas/discovery/ d556bf1a

  repository/src/main/java/org/apache/atlas/discovery/ b209ecb4 
  repository/src/main/java/org/apache/atlas/util/ PRE-CREATION 



REST and UI testing no longer show the false positive matches.

mvn clean package -Pdist (in progress)


Apoorv Naik

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