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Re: changing the block size - HDFS - [mail # user]
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... On Feb 3, 2011, at 8:45 AM, Ayon Sinha wrote: ly, but I'd recommend doing it all on nodes, including any clients connecting to th e HDFS but aren't part of the HDFS...
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Author: Allen Wittenauer,
2011-02-03, 22:40
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Re: Use VIP for DataNodes - HDFS - [mail # dev]
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...FWIW, Y! and LI (and I'm sure others) have been using failover A records f or years. The only known problem/limitation is exactly what Dhruba states. On Jan 29, 2011, at 11:19 PM...
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Author: Allen Wittenauer,
2011-01-31, 20:22
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Re: TestDFSIO on Lustre vs HDFS - HDFS - [mail # user]
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...On Jan 28, 2011, at 10:39 AM, Nathan Rutman wrote: ntity, the reliability, scalabilty, heterogenicity (sic), data access patte rn, applications you're using, performance requirements, and sy...
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Author: Allen Wittenauer,
2011-01-29, 06:35
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Re: TestDFSIO on Lustre vs HDFS - HDFS - [mail # user]
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...On Jan 27, 2011, at 1:44 PM, Nathan Rutman wrote: In other words, not a realistic Hadoop grid. Let me know how that 100 node test goes....
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Author: Allen Wittenauer,
2011-01-29, 06:19
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Re: rsync + hdfs - HDFS - [mail # user]
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...On Jan 11, 2011, at 6:32 PM, Mag Gam wrote: distcp is the closest....
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Author: Allen Wittenauer,
2011-01-12, 19:58
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Re: Unbalanced disks - need to take down whole HDFS? - HDFS - [mail # user]
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...On Dec 16, 2010, at 6:32 AM, Erik Forsberg wrote: u_balance_the_blocks_on_the_disk.3F It won't mess up the namenode, but it is going to be busy replicating thos e blocks on that datan...
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Author: Allen Wittenauer,
2010-12-16, 19:33
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Re: Topology script - does it take DNS names, or IPs, or both? - HDFS - [mail # user]
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...On Dec 2, 2010, at 11:41 PM, Erik Forsberg wrote: You should make it work with both....
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Author: Allen Wittenauer,
2010-12-03, 20:48
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Re: Locating replicant nodes for blocks of a file - HDFS - [mail # user]
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...On Oct 12, 2010, at 4:00 PM, Adam Phelps wrote: ed, preferably from the command line? I'm looking to perform some node fai lure tests causing specific files to become inaccessibl...
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Author: Allen Wittenauer,
2010-10-14, 21:01
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Re: Out of space preventing namenode startup - HDFS - [mail # user]
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...Given this is the third time this has come up in the past two days, I guess we need a new FAQ entry or three. We also clearly need to update the quickstart that says: a) Do...
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Author: Allen Wittenauer,
2010-10-06, 21:04
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Re: NameNode crash - cannot start dfs - need help - HDFS - [mail # user]
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...On Oct 5, 2010, at 8:16 AM, Matthew LeMieux wrote: The filesystem filled up on the name node, which I assume is what caused th e crash. The problem has been fixed, but I c...
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Author: Allen Wittenauer,
2010-10-05, 16:10
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