Re: ZStandard compression crashes

2020-05-11 Thread Eric Yang
If I recall this problem correctly, the root cause is the default zstd compression block size is 256kb, and Hadoop Zstd compression will attempt to use the OS platform default compression size, if it is available. The recommended output size is slightly bigger than input size to account for header

Re: ZStandard compression crashes

2020-05-11 Thread Wei-Chiu Chuang
Thanks for the pointer, it does look similar. However we are roughly on the latest of branch-3.1 and this fix is in our branch. I'm pretty sure we have all the zstd fixes. I believe the libzstd version used is 1.4.4 but need to confirm. I suspected it's a library version issue because we've been u

Re: ZStandard compression crashes

2020-05-11 Thread Ayush Saxena
Hi Wei Chiu, What is the Hadoop version being used? Give a check if HADOOP-15822 is there, it had something similar error. -Ayush > On 11-May-2020, at 10:11 PM, Wei-Chiu Chuang wrote: > > Hadoop devs, > > A colleague of mine recently hit a strange issue where zstd compression > codec crashes.

Apache Hadoop qbt Report: trunk+JDK8 on Linux/x86_64

2020-05-11 Thread Apache Jenkins Server
For more details, see https://ci-hadoop.apache.org/job/hadoop-qbt-trunk-java8-linux-x86_64/137/ [May 10, 2020 6:13:30 AM] (Ayush Saxena) HDFS-15250. Setting `dfs.client.use.datanode.hostname` to true can crash the system because of unhandled UnresolvedAddressException. Contributed by Ctest.

ZStandard compression crashes

2020-05-11 Thread Wei-Chiu Chuang
Hadoop devs, A colleague of mine recently hit a strange issue where zstd compression codec crashes. Caused by: java.lang.InternalError: Error (generic) at org.apache.hadoop.io.compress.zstd.ZStandardCompressor.deflateBytesDirect(Native Method) at org.apache.hadoop.io.compress.zstd.ZStandardCompre

[jira] [Resolved] (HADOOP-17033) Update commons-codec from 1.11 to 1.14

2020-05-11 Thread Wei-Chiu Chuang (Jira)
[ https://issues.apache.org/jira/browse/HADOOP-17033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Wei-Chiu Chuang resolved HADOOP-17033. -- Fix Version/s: 3.4.0 Resolution: Fixed > Update commons-codec from 1.11 to 1.1

Apache Hadoop qbt Report: branch2.10+JDK7 on Linux/x86

2020-05-11 Thread Apache Jenkins Server
For more details, see https://builds.apache.org/job/hadoop-qbt-branch-2.10-java7-linux-x86/682/ No changes -1 overall The following subsystems voted -1: asflicense findbugs hadolint pathlen unit xml The following subsystems voted -1 but were configured to be filtered/ignored: cc c

[jira] [Created] (HADOOP-17036) TestFTPFileSystem failing as ftp server dir already exists

2020-05-11 Thread Steve Loughran (Jira)
Steve Loughran created HADOOP-17036: --- Summary: TestFTPFileSystem failing as ftp server dir already exists Key: HADOOP-17036 URL: https://issues.apache.org/jira/browse/HADOOP-17036 Project: Hadoop Com

[jira] [Resolved] (HADOOP-17034) Fix failure of TestSnappyCompressorDecompressor on CentOS 8

2020-05-11 Thread Masatake Iwasaki (Jira)
[ https://issues.apache.org/jira/browse/HADOOP-17034?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Masatake Iwasaki resolved HADOOP-17034. --- Assignee: (was: Masatake Iwasaki) Resolution: Duplicate closing this as d