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fixing Compression algorithm 'lzo' previously failed test.
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| cd /etc/yum.repos.d/ | |
| wget http://archive.cloudera.com/gplextras5/redhat/6/x86_64/gplextras/cloudera-gplextras5.repo | |
| yum check-update | |
| yum install -y hadoop-lzo | |
| dd if=/dev/random of=/tmp/test.bin bs=1000k count=10 | |
| su - hdfs | |
| hbase org.apache.hadoop.hbase.util.CompressionTest /tmp/test.bin lzo | |
| echo "remember to restart all services on the node to take effect" | |
| #ALTERNATIVE WAY | |
| #if this still not work change core-site.xml in cloudera configuration section (snippet) put this: | |
| https://www.cloudera.com/content/cloudera/en/documentation/core/v5-3-x/topics/cdh_ig_hdfs_cluster_deploy.html#concept_g4n_z23_gk_unique_1 (Configuring LZO paragraph) | |
| <property> | |
| <name>io.compression.codecs</name> | |
| <value>org.apache.hadoop.io.compress.DefaultCodec,org.apache.hadoop.io.compress.GzipCodec, | |
| org.apache.hadoop.io.compress.BZip2Codec,com.hadoop.compression.lzo.LzoCodec, | |
| com.hadoop.compression.lzo.LzopCodec,org.apache.hadoop.io.compress.SnappyCodec</value> | |
| </property> | |
| and restart cluster. | |
| try again with | |
| su - hdfs | |
| hbase org.apache.hadoop.hbase.util.CompressionTest /tmp/test.bin lzo | |
| echo "remember to restart all services on the node to take effect" |
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If you run this on local filesystem I belive 'file' preffix should be uses:
hbase org.apache.hadoop.hbase.util.CompressionTest file:///tmp/test.bin lzo