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https://issues.apache.org/jira/browse/OAK-10674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17824823#comment-17824823
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Julian Reschke commented on OAK-10674:
--------------------------------------

I did a quick-and-dirty comparison of the reported FPPs, and they look similar:

{noformat}
> tail filterlog2
17:06:42.659 INFO  [main] CacheChangesTracker.java:65       Disposing 
CacheChangesTracker for key range: <0000000, ;>, filter fpp was: 
5.58521124771789E-16
17:06:45.119 INFO  [main] CacheChangesTracker.java:65       Disposing 
CacheChangesTracker for key range: <0000000, ;>, filter fpp was: 
6.49993148742437E-16
17:06:47.496 INFO  [main] CacheChangesTracker.java:65       Disposing 
CacheChangesTracker for key range: <0000000, ;>, filter fpp was: 
6.49993148742437E-16
17:06:49.058 INFO  [main] CacheChangesTracker.java:65       Disposing 
CacheChangesTracker for key range: <0000000, ;>, filter fpp was: 
6.027729977973828E-16
17:06:50.443 INFO  [main] CacheChangesTracker.java:65       Disposing 
CacheChangesTracker for key range: <0000000, ;>, filter fpp was: 
5.170806488449498E-16
17:06:51.948 INFO  [main] CacheChangesTracker.java:65       Disposing 
CacheChangesTracker for key range: <0000000, ;>, filter fpp was: 
6.027729977973828E-16
17:06:54.048 INFO  [main] CacheChangesTracker.java:65       Disposing 
CacheChangesTracker for key range: <0000000, ;>, filter fpp was: 
7.003453622056256E-16
17:06:57.091 INFO  [main] CacheChangesTracker.java:65       Disposing 
CacheChangesTracker for key range: <0000000, ;>, filter fpp was: 
2.149670157403729E-22
17:06:58.974 INFO  [main] CacheChangesTracker.java:65       Disposing 
CacheChangesTracker for key range: <0000000, ;>, filter fpp was: 
1.1059431061104984E-29
17:07:00.383 INFO  [main] CacheChangesTracker.java:65       Disposing 
CacheChangesTracker for key range: <0000000, ;>, filter fpp was: 
1.1059431061104984E-29

> tail filterlog1
16:53:52.048 INFO  [main] CacheChangesTracker.java:67       Disposing 
CacheChangesTracker for key range: <0000000, ;>, filter fpp was: 
5.972603648104754E-16
16:53:53.387 INFO  [main] CacheChangesTracker.java:67       Disposing 
CacheChangesTracker for key range: <0000000, ;>, filter fpp was: 
6.947788484663496E-16
16:53:54.939 INFO  [main] CacheChangesTracker.java:67       Disposing 
CacheChangesTracker for key range: <0000000, ;>, filter fpp was: 
6.947788484663496E-16
16:53:56.132 INFO  [main] CacheChangesTracker.java:67       Disposing 
CacheChangesTracker for key range: <0000000, ;>, filter fpp was: 
5.907684672777705E-16
16:53:57.328 INFO  [main] CacheChangesTracker.java:67       Disposing 
CacheChangesTracker for key range: <0000000, ;>, filter fpp was: 
5.060318133456302E-16
16:53:58.521 INFO  [main] CacheChangesTracker.java:67       Disposing 
CacheChangesTracker for key range: <0000000, ;>, filter fpp was: 
6.038133141734534E-16
16:54:00.075 INFO  [main] CacheChangesTracker.java:67       Disposing 
CacheChangesTracker for key range: <0000000, ;>, filter fpp was: 
7.022380607694912E-16
16:54:03.735 INFO  [main] CacheChangesTracker.java:67       Disposing 
CacheChangesTracker for key range: <0000000, ;>, filter fpp was: 
2.1557210612696467E-22
16:54:05.915 INFO  [main] CacheChangesTracker.java:67       Disposing 
CacheChangesTracker for key range: <0000000, ;>, filter fpp was: 
1.1062257632314335E-29
16:54:07.611 INFO  [main] CacheChangesTracker.java:67       Disposing 
CacheChangesTracker for key range: <0000000, ;>, filter fpp was: 
1.1062257632314335E-29

{noformat}

> DocumentStore: verify that we could use Oak's Bloom filter
> ----------------------------------------------------------
>
>                 Key: OAK-10674
>                 URL: https://issues.apache.org/jira/browse/OAK-10674
>             Project: Jackrabbit Oak
>          Issue Type: Task
>          Components: documentmk
>            Reporter: Julian Reschke
>            Assignee: Julian Reschke
>            Priority: Major
>
> Test that we can use 
> oak-run-commons/src/main/java/org/apache/jackrabbit/oak/index/indexer/document/flatfile/analysis/utils/BloomFilter.java
>  (for now, by copying it over).
> Then decide about where to move it, and whether API changes are desired.



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