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<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>196017</bug_id>
          
          <creation_ts>2019-03-20 10:55:43 -0700</creation_ts>
          <short_desc>(Test fix) Override minimumTimeBetweenDataRecordsRemoval in ResourceLoadStatisticsStore::shouldRemoveDataRecord() during layout tests</short_desc>
          <delta_ts>2019-03-27 11:25:20 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>WebKit Misc.</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          <see_also>https://bugs.webkit.org/show_bug.cgi?id=195923</see_also>
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="John Wilander">wilander</reporter>
          <assigned_to name="John Wilander">wilander</assigned_to>
          <cc>commit-queue</cc>
    
    <cc>sroberts</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1518994</commentid>
    <comment_count>0</comment_count>
    <who name="John Wilander">wilander</who>
    <bug_when>2019-03-20 10:55:43 -0700</bug_when>
    <thetext>The test added in https://bugs.webkit.org/show_bug.cgi?id=195923 is failing because ITP refuses (and should refuse) to remove website data repeatedly. We should add an exception to this rule when running under parameters().isRunningTest.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1518996</commentid>
    <comment_count>1</comment_count>
      <attachid>365359</attachid>
    <who name="John Wilander">wilander</who>
    <bug_when>2019-03-20 10:57:19 -0700</bug_when>
    <thetext>Created attachment 365359
Patch for landing</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1519063</commentid>
    <comment_count>2</comment_count>
      <attachid>365359</attachid>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2019-03-20 12:01:37 -0700</bug_when>
    <thetext>Comment on attachment 365359
Patch for landing

Clearing flags on attachment: 365359

Committed r243222: &lt;https://trac.webkit.org/changeset/243222&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1519064</commentid>
    <comment_count>3</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2019-03-20 12:01:39 -0700</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1519069</commentid>
    <comment_count>4</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2019-03-20 12:05:10 -0700</bug_when>
    <thetext>&lt;rdar://problem/49072535&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1520440</commentid>
    <comment_count>5</comment_count>
    <who name="Shawn Roberts">sroberts</who>
    <bug_when>2019-03-22 11:36:29 -0700</bug_when>
    <thetext>http/tests/resourceLoadStatistics/website-data-removal-for-site-navigated-to-with-link-decoration.html started to become flaky again on the dashboard ~r243340

Dashboard :

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&amp;tests=http%2Ftests%2FresourceLoadStatistics%2Fwebsite-data-removal-for-site-navigated-to-with-link-decoration.html

I can reproduce it locally with :

run-webkit-tests http/tests/resourceLoadStatistics/website-data-removal-for-site-navigated-to-with-link-decoration.html --iterations 500 --child-processes 1

Usually only about 2/500 failures in revisions between r243351 to r243373. with 1 child process.

If I run it in full parallel (-f), it will fail a lot more consistently, but I don&apos;t know if that may be causing false positives.

It will fail in full parallel between r242231 and r243347. ~2/5000 iterations

Passes in full parallel with 5000 iterations from r243222 to r243230. 

Local Diff is the same as the bots, with 1 child process or full parallel :

--- /Volumes/Data/slave/mojave-release-tests-wk2/build/layout-test-results/http/tests/resourceLoadStatistics/website-data-removal-for-site-navigated-to-with-link-decoration-expected.txt
+++ /Volumes/Data/slave/mojave-release-tests-wk2/build/layout-test-results/http/tests/resourceLoadStatistics/website-data-removal-for-site-navigated-to-with-link-decoration-actual.txt
@@ -32,4 +32,4 @@
         localhost
     gotLinkDecorationFromPrevalentResource: No    isPrevalentResource: No
     isVeryPrevalentResource: No
-    dataRecordsRemoved: 1
+    dataRecordsRemoved: 0</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1521757</commentid>
    <comment_count>6</comment_count>
    <who name="Shawn Roberts">sroberts</who>
    <bug_when>2019-03-27 11:25:20 -0700</bug_when>
    <thetext>Regressed issue down to https://trac.webkit.org/changeset/243348/webkit , appears to be responsible for new behavior.</thetext>
  </long_desc>
      
          <attachment
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              ispatch="1"
              isprivate="0"
          >
            <attachid>365359</attachid>
            <date>2019-03-20 10:57:19 -0700</date>
            <delta_ts>2019-03-20 12:01:37 -0700</delta_ts>
            <desc>Patch for landing</desc>
            <filename>bug-196017-20190320105719.patch</filename>
            <type>text/plain</type>
            <size>2043</size>
            <attacher name="John Wilander">wilander</attacher>
            
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