HDFS-630 patch for Hadoop v0.20
Hello all, I am trying to install HBase and while going through the requirements (link below), it asked me to apply HDFS-630 patch. The latest 2 patches are for Hadoop 0.21. I am using version 0.20. For this version, should I apply Todd Lipcon's patch at https://issues.apache.org/jira/secure/attachment/12430230/hdfs-630-0.20.txt. Would this be the right patch to apply? The directory structures have changed from 0.20 to 0.21. http://hadoop.apache.org/hbase/docs/current/api/overview-summary.html#requirements Thank you. Regards, Raghava.
Re: HDFS-630 patch for Hadoop v0.20
Hi Raghava, Yes, that's a patch targeted at 0.20, but I'm not certain whether it applies on the vanilla 0.20 code or not. If you'd like a version of Hadoop that already has it applied and tested, I'd recommend using Cloudera's CDH2. -Todd On Thu, May 13, 2010 at 7:59 PM, Raghava Mutharaju m.vijayaragh...@gmail.com wrote: Hello all, I am trying to install HBase and while going through the requirements (link below), it asked me to apply HDFS-630 patch. The latest 2 patches are for Hadoop 0.21. I am using version 0.20. For this version, should I apply Todd Lipcon's patch at https://issues.apache.org/jira/secure/attachment/12430230/hdfs-630-0.20.txt . Would this be the right patch to apply? The directory structures have changed from 0.20 to 0.21. http://hadoop.apache.org/hbase/docs/current/api/overview-summary.html#requirements Thank you. Regards, Raghava. -- Todd Lipcon Software Engineer, Cloudera
Re: HDFS-630 patch for Hadoop v0.20
Hello Todd, Thank you for the reply. In the cluster I use here, apache Hadoop is installed. So I have to use that. I am trying out HBase on my laptop first. Even though I install CDH2, it won't be useful because on the cluster, I have to work with apache Hadoop. Since version 0.21 is still in development, there should be a HDFS-630 patch for the current stable release of Hadoop isn't it? Regards, Raghava. On Thu, May 13, 2010 at 11:50 PM, Todd Lipcon t...@cloudera.com wrote: Hi Raghava, Yes, that's a patch targeted at 0.20, but I'm not certain whether it applies on the vanilla 0.20 code or not. If you'd like a version of Hadoop that already has it applied and tested, I'd recommend using Cloudera's CDH2. -Todd On Thu, May 13, 2010 at 7:59 PM, Raghava Mutharaju m.vijayaragh...@gmail.com wrote: Hello all, I am trying to install HBase and while going through the requirements (link below), it asked me to apply HDFS-630 patch. The latest 2 patches are for Hadoop 0.21. I am using version 0.20. For this version, should I apply Todd Lipcon's patch at https://issues.apache.org/jira/secure/attachment/12430230/hdfs-630-0.20.txt . Would this be the right patch to apply? The directory structures have changed from 0.20 to 0.21. http://hadoop.apache.org/hbase/docs/current/api/overview-summary.html#requirements Thank you. Regards, Raghava. -- Todd Lipcon Software Engineer, Cloudera
Re: HDFS-630 patch for Hadoop v0.20
On Thu, May 13, 2010 at 8:56 PM, Raghava Mutharaju m.vijayaragh...@gmail.com wrote: Hello Todd, Thank you for the reply. In the cluster I use here, apache Hadoop is installed. So I have to use that. I am trying out HBase on my laptop first. Even though I install CDH2, it won't be useful because on the cluster, I have to work with apache Hadoop. Since version 0.21 is still in development, there should be a HDFS-630 patch for the current stable release of Hadoop isn't it? No, it was not considered for release in Hadoop 0.20.X because it breaks wire compatibility, and though I've done a workaround to avoid issues stemming from that, it would be unlikely to pass a backport vote. -Todd On Thu, May 13, 2010 at 11:50 PM, Todd Lipcon t...@cloudera.com wrote: Hi Raghava, Yes, that's a patch targeted at 0.20, but I'm not certain whether it applies on the vanilla 0.20 code or not. If you'd like a version of Hadoop that already has it applied and tested, I'd recommend using Cloudera's CDH2. -Todd On Thu, May 13, 2010 at 7:59 PM, Raghava Mutharaju m.vijayaragh...@gmail.com wrote: Hello all, I am trying to install HBase and while going through the requirements (link below), it asked me to apply HDFS-630 patch. The latest 2 patches are for Hadoop 0.21. I am using version 0.20. For this version, should I apply Todd Lipcon's patch at https://issues.apache.org/jira/secure/attachment/12430230/hdfs-630-0.20.txt . Would this be the right patch to apply? The directory structures have changed from 0.20 to 0.21. http://hadoop.apache.org/hbase/docs/current/api/overview-summary.html#requirements Thank you. Regards, Raghava. -- Todd Lipcon Software Engineer, Cloudera -- Todd Lipcon Software Engineer, Cloudera
Re: HDFS-630 patch for Hadoop v0.20
Hello Todd, Oh, then isn't it a bit contradictory to the instructions on HBase overview page. http://hadoop.apache.org/hbase/docs/current/api/overview-summary.html#requirements It says that the current version of HBase works only with 0.20.X and asks users to apply the patch HDFS-630 but that patch is not available for 0.20.X. Is there any work around for this? Is that patch really required? Thank you. Regards, Raghava. On Fri, May 14, 2010 at 12:03 AM, Todd Lipcon t...@cloudera.com wrote: On Thu, May 13, 2010 at 8:56 PM, Raghava Mutharaju m.vijayaragh...@gmail.com wrote: Hello Todd, Thank you for the reply. In the cluster I use here, apache Hadoop is installed. So I have to use that. I am trying out HBase on my laptop first. Even though I install CDH2, it won't be useful because on the cluster, I have to work with apache Hadoop. Since version 0.21 is still in development, there should be a HDFS-630 patch for the current stable release of Hadoop isn't it? No, it was not considered for release in Hadoop 0.20.X because it breaks wire compatibility, and though I've done a workaround to avoid issues stemming from that, it would be unlikely to pass a backport vote. -Todd On Thu, May 13, 2010 at 11:50 PM, Todd Lipcon t...@cloudera.com wrote: Hi Raghava, Yes, that's a patch targeted at 0.20, but I'm not certain whether it applies on the vanilla 0.20 code or not. If you'd like a version of Hadoop that already has it applied and tested, I'd recommend using Cloudera's CDH2. -Todd On Thu, May 13, 2010 at 7:59 PM, Raghava Mutharaju m.vijayaragh...@gmail.com wrote: Hello all, I am trying to install HBase and while going through the requirements (link below), it asked me to apply HDFS-630 patch. The latest 2 patches are for Hadoop 0.21. I am using version 0.20. For this version, should I apply Todd Lipcon's patch at https://issues.apache.org/jira/secure/attachment/12430230/hdfs-630-0.20.txt . Would this be the right patch to apply? The directory structures have changed from 0.20 to 0.21. http://hadoop.apache.org/hbase/docs/current/api/overview-summary.html#requirements Thank you. Regards, Raghava. -- Todd Lipcon Software Engineer, Cloudera -- Todd Lipcon Software Engineer, Cloudera
Re: HDFS-630 patch for Hadoop v0.20
oops, sorry, by really required I meant, would that problem arise only in any special situations or is it required for normal operations also. Regards, Raghava. On Fri, May 14, 2010 at 12:11 AM, Raghava Mutharaju m.vijayaragh...@gmail.com wrote: Hello Todd, Oh, then isn't it a bit contradictory to the instructions on HBase overview page. http://hadoop.apache.org/hbase/docs/current/api/overview-summary.html#requirements It says that the current version of HBase works only with 0.20.X and asks users to apply the patch HDFS-630 but that patch is not available for 0.20.X. Is there any work around for this? Is that patch really required? Thank you. Regards, Raghava. On Fri, May 14, 2010 at 12:03 AM, Todd Lipcon t...@cloudera.com wrote: On Thu, May 13, 2010 at 8:56 PM, Raghava Mutharaju m.vijayaragh...@gmail.com wrote: Hello Todd, Thank you for the reply. In the cluster I use here, apache Hadoop is installed. So I have to use that. I am trying out HBase on my laptop first. Even though I install CDH2, it won't be useful because on the cluster, I have to work with apache Hadoop. Since version 0.21 is still in development, there should be a HDFS-630 patch for the current stable release of Hadoop isn't it? No, it was not considered for release in Hadoop 0.20.X because it breaks wire compatibility, and though I've done a workaround to avoid issues stemming from that, it would be unlikely to pass a backport vote. -Todd On Thu, May 13, 2010 at 11:50 PM, Todd Lipcon t...@cloudera.com wrote: Hi Raghava, Yes, that's a patch targeted at 0.20, but I'm not certain whether it applies on the vanilla 0.20 code or not. If you'd like a version of Hadoop that already has it applied and tested, I'd recommend using Cloudera's CDH2. -Todd On Thu, May 13, 2010 at 7:59 PM, Raghava Mutharaju m.vijayaragh...@gmail.com wrote: Hello all, I am trying to install HBase and while going through the requirements (link below), it asked me to apply HDFS-630 patch. The latest 2 patches are for Hadoop 0.21. I am using version 0.20. For this version, should I apply Todd Lipcon's patch at https://issues.apache.org/jira/secure/attachment/12430230/hdfs-630-0.20.txt . Would this be the right patch to apply? The directory structures have changed from 0.20 to 0.21. http://hadoop.apache.org/hbase/docs/current/api/overview-summary.html#requirements Thank you. Regards, Raghava. -- Todd Lipcon Software Engineer, Cloudera -- Todd Lipcon Software Engineer, Cloudera
