Today I was trying to index LZO file using hadoop command: However, it failed with the following error: After some research, it turned out that I did not have LZO codec enabled in my cluster. I did the following to resolve the issue: – Add gplextras parcel to Cloudera Manager’s …
Snappy is a compression/decompression library developed by Google. It aims for very high speeds and reasonable compression ( might be bigger than other standard compression algorithms but faster speed ). Snappy is shipped with Hadoop, unlike LZO compression which is excluded due to licensing issues. To enable Snappy in your …
To compile and install Hadoop’s LZO compression library on CentOS, following the steps below: Download hadoop LZO source from Kevin’s Hadoop LZO Project. If you are using Ant version of < 1.7, please download latest ant binary pacakge from Apache Ant, otherwise you will get the following error when compiling: …
My new Snowflake Blog is now live. I will not be updating this blog anymore but will continue with new contents in the Snowflake world!