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[HADOOP-7446] Implement CRC32C native code using SSE4.2 instructions - Hadoop - [issue]
...Once HADOOP-7445 is implemented, we can get further performance improvements by implementing CRC32C using the hardware support available in SSE4.2. This support should be dynamically enabled...
http://issues.apache.org/jira/browse/HADOOP-7446    Author: Todd Lipcon, 2012-07-19, 17:42
[HADOOP-7307] Remove Dr Who references - Hadoop - [issue]
...I've had feedback from a number of different operators that the "dr who" references that occasionally come out of Hadoop are annoying and confusing. We should replace them with more descript...
http://issues.apache.org/jira/browse/HADOOP-7307    Author: Todd Lipcon, 2012-07-19, 01:12
[HADOOP-7753] Support fadvise and sync_data_range in NativeIO, add ReadaheadPool class - Hadoop - [issue]
...This JIRA adds JNI wrappers for sync_data_range and posix_fadvise. It also implements a ReadaheadPool class for future use from HDFS and MapReduce....
http://issues.apache.org/jira/browse/HADOOP-7753    Author: Todd Lipcon, 2012-07-17, 21:32
[HADOOP-8362] Improve exception message when Configuration.set() is called with a null key or value - Hadoop - [issue]
...Currently, calling Configuration.set(...) with a null value results in a NullPointerException within Properties.setProperty. We should check for null key/value and throw a better exception....
http://issues.apache.org/jira/browse/HADOOP-8362    Author: Todd Lipcon, 2012-07-16, 13:21
[HADOOP-8350] Improve NetUtils.getInputStream to return a stream which has a tunable timeout - Hadoop - [issue]
...Currently, NetUtils.getInputStream will set the timeout on the new stream based on the socket's configured timeout at the time of construction. After that, the timeout cannot be changed. Thi...
http://issues.apache.org/jira/browse/HADOOP-8350    Author: Todd Lipcon, 2012-07-14, 23:33
[HADOOP-8590] Backport HADOOP-7318 (MD5Hash factory should reset the digester it returns) to branch-1 - Hadoop - [issue]
...I ran into this bug on branch-1 today, it seems like we should backport it....
http://issues.apache.org/jira/browse/HADOOP-8590    Author: Todd Lipcon, 2012-07-12, 03:25
Re: Jetty fixes for Hadoop - Hadoop - [mail # dev]
...+1 from me too. We've had this in CDH since Sep '11 and been working much better than the stock 6.1.26.  -Todd  On Tue, Jul 10, 2012 at 3:14 PM, Owen O'Malley  wrote:   &...
   Author: Todd Lipcon, 2012-07-10, 22:19
Scheduled jenkins builds not running? - Hadoop - [mail # dev]
...Our Precommit build (https://builds.apache.org/job/PreCommit-Admin/) appears to have stopped running at 7/2 5PM. I've manually triggered it a couple times since, but otherwise not running. L...
   Author: Todd Lipcon, 2012-07-03, 06:12
[HADOOP-7094] hadoop.css got lost during project split - Hadoop - [issue]
...hadoop.css no longer exists in common or HDFS, so the web UIs look pretty ugly. The HTML still refers to this file, it's just gone....
http://issues.apache.org/jira/browse/HADOOP-7094    Author: Todd Lipcon, 2012-06-28, 21:29
[HADOOP-7111] Several TFile tests failing when native libraries are present - Hadoop - [issue]
...When running tests with native libraries present, TestTFileByteArrays and TestTFileJClassComparatorByteArrays fail on trunk. They don't seem to fail in 0.20 with native libraries....
http://issues.apache.org/jira/browse/HADOOP-7111    Author: Todd Lipcon, 2012-06-27, 22:12
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