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From "Manfred Baedke (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Deleted] (OAK-3606) Improvements for IndexStatsMBean usage
Date Tue, 06 Dec 2016 20:29:58 GMT

     [ https://issues.apache.org/jira/browse/OAK-3606?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Manfred Baedke updated OAK-3606:
    Comment: was deleted

(was: I will add an additional getter to AllIndexStatsMBean:
    String getOldestStartOfLastSuccessIndexing(String newerThan)
that will work like the existing method but will only take into account dates that are newer
than the one passed as an argument. The reason is that a given test case may modify async
indexes, but usually not all of them. The startOfLastSuccessfulIndexing date (I renamed it
for better clarity) of the latter will stay older than the start date of the test case.
Feel free to suggest more elegant solutions.)

> Improvements for IndexStatsMBean usage
> --------------------------------------
>                 Key: OAK-3606
>                 URL: https://issues.apache.org/jira/browse/OAK-3606
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: core, lucene
>    Affects Versions: 1.3.9
>            Reporter: Thierry Ygé
>            Assignee: Manfred Baedke
>             Fix For: 1.6, 1.5.15
>         Attachments: adding_new_MBean.patch, new_mbean_interface_and_implementation.patch
> When running integration tests, it is common to have the need to wait for the async indexes
to have been executed. So that the test can successfully validate operations that depend on
the search result.
> With the current IndexStatsMBean implementation it cannot return the start time of the
last successful indexing. It provide a "LastIndexedTime" which is not sufficient to know if
changes made recently are now indexed.
> The idea is to set the start time as value of a new attribute (i.e "StartLastSuccessIndexedTime")
to the IndexStatsMBean.
> Then create a new Mbean that calculate from all existing IndexStatsMBean (as multiple
are possible now) the oldest "StartLastSuccessIndexedTime".
> That will allow integration tests to be able to wait until that oldest "StartLastSuccessIndexedTime"
is greater than the time it started to wait.
> Attached is a sample patch containing the necessary changes (for a Oak core 1.4.0-SNAPSHOT).

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