<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"></head><body ><div>What has Cloudera done, if they're not using HDFS ACL's?</div><div><br></div><div><br></div><div><div style="font-size:9px;color:#575757">Sent from my Verizon Wireless 4G LTE Smartphone</div></div><br><br><div>-------- Original message --------</div><div>From: Raymond DeRoo <rderoo@deroo.net> </div><div>Date:04/23/2014 2:21 AM (GMT-07:00) </div><div>To: CLUE's mailing list <clue@cluedenver.org> </div><div>Subject: Re: [clue] impersonation </div><div><br></div>David:<br><br>>> The simple solution is to use Cloudera 5.0 which supports a better permissions system than stock<br>>> unix perms.<br>> <br>> HDFS has ACLs in 2.4. But you knew that.<br><br>Yes, and if they worked anywhere near as good as what Cloudera has implemented, I would have recommended them. But thus far the performance hit is noticeable and the CLI management of them is cumbersome at best. Now I will admit that I have only been playing with the ACLs over the past three days, but if you have had different results I would love to hear about them.<br><br>1200 users<br>1.1Pb of data<br>31 groups<br>about 170k files<br><br>Kind regards,<br>Raymond<br>_______________________________________________<br>clue mailing list: clue@cluedenver.org<br>For information, account preferences, or to unsubscribe see:<br>http://cluedenver.org/mailman/listinfo/clue<br></body>