Configure IO Compression codecs in Hadoop

File  compression is always better to store large amount of data in HDFS, it reduces significant amount of space, when a raw data is compressed, in Hadoop we use various IO Compression codecs depends on the scenario and data access frequency etc. There are various compression types available and below are the default codecs supported…

Elasticsearch – InvalidSnapshotNameException

 InvalidSnapshotNameException If you are getting the InvalidSnapshotNameException exception in elasticsearch while creating the snapshot for the indices. { “error”:”InvalidSnapshotNameException[[snapshot_name_goes_here:Logstash] Invalid snapshot name [Logstash], must be lowercase]”, “status”:400 } From the exception itself, It is clearly shown that, Elasticsearch accepts only lower-case name for snapshot, This is applicable for both Snapshot and Indices as well. If you…