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Subject: What codes to chmod 755 to "yarn.nodemanager.log-dirs"?
From: sam liu <samliuhadoop@gmail.com>
To: "user@hadoop.apache.org" <user@hadoop.apache.org>
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Hi Experts,

When the nodemanager log-dirs not exists, I think
LocalDirsHandlerService#serviceInit will invoke
DirectoryCollection#createDir to create the log dirs, and chmod 755 to it.

However, when nodemanager log-dirs already exists and with a non 755
permission(like 775), I found its permission will still be changed to 755,
after starting nodemanager. But, I do not think
DirectoryCollection#createDir did that operation.

What codes to chmod 755 to "yarn.nodemanager.log-dirs"?

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<div dir="ltr"><div><div><div><div>Hi Experts,<br><br></div>When the nodemanager log-dirs not exists, I think LocalDirsHandlerService#serviceInit will invoke DirectoryCollection#createDir to create the log dirs, and chmod 755 to it.<br>
<br></div>However, when nodemanager log-dirs already exists and with a non 755 permission(like 775), I found its permission will still be changed to 755, after starting nodemanager. But, I do not think DirectoryCollection#createDir did that operation.<br>
<br></div>What codes to chmod 755 to &quot;yarn.nodemanager.log-dirs&quot;?<br><br></div></div>

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