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<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

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

    <bug>
          <bug_id>196155</bug_id>
          
          <creation_ts>2019-03-22 11:24:54 -0700</creation_ts>
          <short_desc>[ews-build] use lz4 compression for improving buildbot performance</short_desc>
          <delta_ts>2020-11-18 18:03:53 -0800</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>Tools / Tests</component>
          <version>Other</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=219133</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="Aakash Jain">aakash_jain</reporter>
          <assigned_to name="Aakash Jain">aakash_jain</assigned_to>
          <cc>aakash_jain</cc>
    
    <cc>ap</cc>
    
    <cc>commit-queue</cc>
    
    <cc>dewei_zhu</cc>
    
    <cc>jbedard</cc>
    
    <cc>lforschler</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1520434</commentid>
    <comment_count>0</comment_count>
    <who name="Aakash Jain">aakash_jain</who>
    <bug_when>2019-03-22 11:24:54 -0700</bug_when>
    <thetext>Buildbot by default use ‘gz’ for log compression (this is used by default even if we don’t configure logCompressionMethod in master.cfg).

lz4 is much faster than gz (~10x faster). 6MB/s vs 77MB/s at http://docs.buildbot.net/latest/manual/configuration/global.html#log-handling

We should switch to lz4 to improve performance.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1520435</commentid>
    <comment_count>1</comment_count>
      <attachid>365749</attachid>
    <who name="Aakash Jain">aakash_jain</who>
    <bug_when>2019-03-22 11:26:06 -0700</bug_when>
    <thetext>Created attachment 365749
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1520436</commentid>
    <comment_count>2</comment_count>
    <who name="Aakash Jain">aakash_jain</who>
    <bug_when>2019-03-22 11:26:23 -0700</bug_when>
    <thetext>Related: &lt;rdar://problem/33416017&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1521046</commentid>
    <comment_count>3</comment_count>
      <attachid>365749</attachid>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2019-03-25 15:03:36 -0700</bug_when>
    <thetext>Comment on attachment 365749
Patch

Clearing flags on attachment: 365749

Committed r243463: &lt;https://trac.webkit.org/changeset/243463&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1521047</commentid>
    <comment_count>4</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2019-03-25 15:03:37 -0700</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1521048</commentid>
    <comment_count>5</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2019-03-25 15:04:17 -0700</bug_when>
    <thetext>&lt;rdar://problem/49231332&gt;</thetext>
  </long_desc>
      
          <attachment
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            <attachid>365749</attachid>
            <date>2019-03-22 11:26:06 -0700</date>
            <delta_ts>2019-03-25 15:03:36 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-196155-20190322142639.patch</filename>
            <type>text/plain</type>
            <size>1134</size>
            <attacher name="Aakash Jain">aakash_jain</attacher>
            
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    </bug>

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