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<span lang="EN-US" style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">Dear Hadi,</span></p>
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<span lang="EN-US" style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">Indeed 100 Gb is the default limit for a single Root file.</span></p>
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<span lang="EN-US" style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">To override it you have to go through a script by changing the size limit parameter.</span></p>
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<span lang="EN-US" style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">Some examples here :</span></p>
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<span lang="EN-US" style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D"><a href="https://root-forum.cern.ch/t/root-6-04-14-hadd-100gb-and-rootlogon/24581/3">https://root-forum.cern.ch/t/root-6-04-14-hadd-100gb-and-rootlogon/24581/3</a></span></p>
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<span lang="EN-US" style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D"><a href="https://www.programmersought.com/article/2967473156/">https://www.programmersought.com/article/2967473156/</a></span></p>
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<span lang="EN-US" style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D"> </span></p>
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<span lang="EN-US" style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">I don't know what you're doing but keep in mind that it's more efficient to read several "small" files in a row than a "big" one.</span></p>
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<span lang="EN-US" style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">Regards,</span></p>
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<span lang="EN-US" style="font-size:11.0pt; font-family:"Calibri",sans-serif; color:#1F497D">Arthur</span></p>
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<b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif">De :</span></b><span style="font-size:11.0pt; font-family:"Calibri",sans-serif"> Gate-users <gate-users-bounces@lists.opengatecollaboration.org>
<b>De la part de</b> Hadi Rezaei<br>
<b>Envoyé :</b> mercredi 3 février 2021 10:59<br>
<b>À :</b> gate-users@lists.opengatecollaboration.org<br>
<b>Objet :</b> [Gate-users] problem in merge using "hadd" command</span></p>
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<span lang="EN-US">Dear all</span></p>
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<span lang="EN-US">I used the "hadd" command to merge 15 jobs with a size of about 420 GB but I found the following error. Did anyone face this error.?</span></p>
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<span lang="EN-US">Can not the cluster tools merge more than 100GB?</span></p>
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<span lang="EN-US">"Fatal in <TFileMerger::RecursiveRemove>: Output file of the TFile Merger (targeting resultxcat5s.root) has been deleted (likely due to a TTree larger than 100Gb)"</span></p>
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<span lang="EN-US"> </span></p>
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Regards.</p>
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Hadi</p>
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