test help: help for erasure coding command -help SubstringComparator Usage: hdfs erasurecode [generic options] help: createZone command -fs NAMENODE -help createZone RegexpComparator ^[ \t]*Create a zone to encode files using a specified schema( )* RegexpComparator ^-createZone \[-s <schemaName>\] <path>(.)* help: getZoneInfo command -fs NAMENODE -help getZoneInfo SubstringComparator Get information about the EC zone at specified path RegexpComparator ^-getZoneInfo <path>(.)* help: listSchemas command -fs NAMENODE -help listSchemas SubstringComparator Get the list of ECSchemas supported RegexpComparator ^-listSchemas (.)* createZone : create a zone to encode files -fs NAMENODE -mkdir /eczone -fs NAMENODE -createZone -s RS-6-3 /eczone -fs NAMENODE -rmdir /eczone SubstringComparator EC Zone created successfully at NAMENODE/eczone createZone : default schema -fs NAMENODE -mkdir /eczone -fs NAMENODE -createZone /eczone -fs NAMENODE -getZoneInfo /eczone -fs NAMENODE -rmdir /eczone SubstringComparator Dir: /eczone, Schema: ECSchema=[Name=RS-6-3 getZoneInfo : get information about the EC zone at specified path -fs NAMENODE -mkdir /eczone -fs NAMENODE -createZone -s RS-6-3 /eczone -fs NAMENODE -getZoneInfo /eczone -fs NAMENODE -rmdir /eczone SubstringComparator Dir: /eczone, Schema: ECSchema=[Name=RS-6-3 getZoneInfo : get EC zone at specified file path -fs NAMENODE -mkdir /eczone -fs NAMENODE -createZone -s RS-6-3 /eczone -fs NAMENODE -touchz /eczone/ecfile -fs NAMENODE -getZoneInfo /eczone/ecfile -fs NAMENODE -rm /eczone/ecfile -fs NAMENODE -rmdir /eczone SubstringComparator Dir: /eczone, Schema: ECSchema=[Name=RS-6-3 listSchemas : get the list of ECSchemas supported -fs NAMENODE -listSchemas SubstringComparator RS-6-3 createZone : illegal parameters - path is missing -fs NAMENODE -mkdir /eczone -fs NAMENODE -createZone -fs NAMENODE -rmdir /eczone RegexpComparator ^-createZone: <path> is missing(.)* createZone : illegal parameters - schema name is missing -fs NAMENODE -mkdir /eczone -fs NAMENODE -createZone -s -fs NAMENODE -rmdir /eczone RegexpComparator ^-createZone: option -s requires 1 argument(.)* createZone : illegal parameters - too many arguments -fs NAMENODE -mkdir /eczone -fs NAMENODE -createZone /eczone1 /eczone2 -fs NAMENODE -rmdir /eczone SubstringComparator -createZone: Too many arguments createZone : illegal parameters - invalidschema -fs NAMENODE -mkdir /eczone -fs NAMENODE -createZone -s invalidschema /eczone -fs NAMENODE -rmdir /eczone SubstringComparator Schema 'invalidschema' does not match any of the supported schemas. Please select any one of [RS-6-3] createZone : illegal parameters - no such file -fs NAMENODE -createZone /eczone RegexpComparator ^createZone: `/eczone': No such file or directory(.)* getZoneInfo : illegal parameters - path is missing -fs NAMENODE -getZoneInfo RegexpComparator ^-getZoneInfo: <path> is missing(.)* getZoneInfo : illegal parameters - too many arguments -fs NAMENODE -getZoneInfo /eczone /eczone -fs NAMENODE -rm /eczone SubstringComparator -getZoneInfo: Too many arguments getZoneInfo : illegal parameters - no such file -fs NAMENODE -getZoneInfo /eczone RegexpComparator ^getZoneInfo: `/eczone': No such file or directory(.)* listSchemas : illegal parameters - too many parameters -fs NAMENODE -listSchemas /eczone SubstringComparator -listSchemas: Too many parameters