svn commit: r1343967 - in /incubator/ambari/branches/ambari-186: CHANGES.txt hmc/db/schema.dump

[ji...@apache.org]

Author: jitendra
Date: Tue May 29 20:38:17 2012
New Revision: 1343967

URL: http://svn.apache.org/viewvc?rev=1343967&view=rev
Log:
AMBARI-278. Update MapReduce parameter configuration description. Contributed by Suresh Srinivas.

Modified:
    incubator/ambari/branches/ambari-186/CHANGES.txt
    incubator/ambari/branches/ambari-186/hmc/db/schema.dump

Modified: incubator/ambari/branches/ambari-186/CHANGES.txt
URL: http://svn.apache.org/viewvc/incubator/ambari/branches/ambari-186/CHANGES.txt?rev=1343967&r1=1343966&r2=1343967&view=diff
==============================================================================
--- incubator/ambari/branches/ambari-186/CHANGES.txt (original)
+++ incubator/ambari/branches/ambari-186/CHANGES.txt Tue May 29 20:38:17 2012
@@ -6,6 +6,8 @@ characters wide.
 
 Release 0.1.x - unreleased
 
+  AMBARI-278. Update MapReduce parameter configuration description. (suresh via jitendra)
+
   AMBARI-276. Update HDFS parameter configuration description. (suresh via jitendra)
 
   AMBARI-304. Upgrade to yui-3.5.1. (vinod via jitendra)

Modified: incubator/ambari/branches/ambari-186/hmc/db/schema.dump
URL: http://svn.apache.org/viewvc/incubator/ambari/branches/ambari-186/hmc/db/schema.dump?rev=1343967&r1=1343966&r2=1343967&view=diff
==============================================================================
--- incubator/ambari/branches/ambari-186/hmc/db/schema.dump (original)
+++ incubator/ambari/branches/ambari-186/hmc/db/schema.dump Tue May 29 20:38:17 2012
@@ -279,31 +279,31 @@ INSERT OR REPLACE INTO "ConfigProperties
 INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "dtnode_heapsize", "1024", "DataNode maximum Java heap size", "Maximum Java heap Size for DataNode (Java option -Xmx)", "HDFS" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
 
 -- maps to jtnode_opt_newsize in gscluster in MB.
-INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "jtnode_opt_newsize", "200", "Default Young Generation heap size", "Default size of new gen for jobtracker", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
+INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "jtnode_opt_newsize", "200", "JobTracker new generation size", "Default size of Java new generation size for JobTracker (Java option -XX:NewSize)", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
 
 -- maps to jtnode_opt_maxnewsize in gscluster in MB
-INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "jtnode_opt_maxnewsize", "200", "Maximum Young Generation heap size", "Max size of new gen for jobtracker", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
+INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "jtnode_opt_maxnewsize", "200", "JobTracker maximum new generation size", "Maximum size of Java new generation for JobTracker (Java option -XX:MaxNewSize)", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
 
 -- maps to jt_heapsize in gscluster in MB.
-INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "jtnode_heapsize", "1024", "JobTracker Java heap size", "Java Heap  size for jobtracker", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
+INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "jtnode_heapsize", "1024", "JobTracker maximum Java heap size", "Maximum Java heap size for JobTracker in MB (Java option -Xmx)", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
 
 -- maps to mapred_map_tasks_max in gscluster.
-INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "mapred_map_tasks_max", "4", "Maximum number of Map tasks per node", "The maximum number of map tasks that will be run simultaneously by a task tracker.", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"" }' );
+INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "mapred_map_tasks_max", "4", "Map tasks per node", "Number of Map tasks that will be run simultaneously by a TaskTracker", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"" }' );
 
 -- maps to mapred_red_tasks_max in gscluster.
-INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "mapred_red_tasks_max", "2", "Maximum number of Reduce tasks per node", "The maximum number of reduce tasks that will be run simultaneously by a task tracker.", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"" }' );
+INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "mapred_red_tasks_max", "2", "Reduce tasks per node", "Number of reduce tasks that will be run simultaneously by a TaskTracker.", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"" }' );
 
 -- maps to mapred_cluster_map_mem_mb in gscluster.
-INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "mapred_cluster_map_mem_mb", "-1", "Virtual memory for single Map slot", "The size, in terms of virtual memory, of a single map slot in the Map-Reduce framework", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
+INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "mapred_cluster_map_mem_mb", "-1", "Virtual memory for single Map slot", "The virtual memory size of a single Map slot in the MapReduce framework", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
 
 -- maps to mapred_cluster_red_mem_mb in gscluster.
-INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "mapred_cluster_red_mem_mb", "-1", "Virtual memory for single Reduce slot", "The size, in terms of virtual memory, of a single reduce slot in the Map-Reduce framework", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
+INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "mapred_cluster_red_mem_mb", "-1", "Virtual memory for single Reduce slot", "The virtual memory size of a single Reduce slot in the MapReduce framework", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
 
 -- maps to mapred_cluster_max_map_mem_mb in gscluster.
-INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "mapred_cluster_max_map_mem_mb", "-1", "Maximum virtual memory for single Map slot", "The maximum size, in terms of virtual memory, of a single map slot in the Map-Reduce framework", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
+INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "mapred_cluster_max_map_mem_mb", "-1", "Maximum virtual memory for single Map task", "The maximum virtual memory size of a single Map task in the MapReduce framework", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
 
 -- maps to mapred_cluster_max_red_mem_mb in gscluster.
-INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "mapred_cluster_max_red_mem_mb", "-1", "Maximum virtual memory for single Reduce slot", "The maximum size, in terms of virtual memory, of a single reduce slot in the Map-Reduce framework", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
+INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "mapred_cluster_max_red_mem_mb", "-1", "Maximum virtual memory for single Reduce task", "The maximum virtual memory size of a single Reduce task in the MapReduce framework", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
 
 -- maps to mapred_job_map_mem_mb in gscluster.
 INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "mapred_job_map_mem_mb", "-1", "Virtual memory for single Map task", "Virtual memory for single Map task", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
@@ -312,21 +312,21 @@ INSERT OR REPLACE INTO "ConfigProperties
 INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "mapred_job_red_mem_mb", "-1", "Virtual memory for single Reduce task", "Virtual memory for single Reduce task", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
 
 -- maps to mapred_child_java_opts_sz in gscluster in MB.
-INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "mapred_child_java_opts_sz", "768", "Java options for tasks", "Java opts for the task tracker child processes.", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
+INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "mapred_child_java_opts_sz", "768", "Java options for tasks", "Java options for the TaskTracker child processes.", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
 
 -- maps to io_sort_mb in gscluster in MB
-INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "io_sort_mb", "200", "Buffer memory for sorting in MB", "The total amount of buffer memory to use while sorting files, in megabytes", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
+INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "io_sort_mb", "200", "Map-side sort buffer memory", "The total amount of Map-side buffer memory to use while sorting files (Expert-only configuration)", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"MB" }' );
 
 
 -- maps to io_sort_spill_percent in gscluster.
-INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "io_sort_spill_percent", "0.9", "Limit on buffer", "The soft limit in either the buffer or record collection buffers", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"" }' );
+INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "io_sort_spill_percent", "0.9", "Limit on buffer", "Percentage of sort buffer used for record collection (Expert-only configuration)", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"" }' );
 
 
 -- maps to mapreduce_userlog_retainhours in gscluster.
-INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "mapreduce_userlog_retainhours", "24", "Job log retention", "The maximum time, in hours, for which the user-logs are to be retained after the job completion.", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"hours" }' );
+INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "mapreduce_userlog_retainhours", "24", "Job log retention (hours)", "The maximum time, in hours, for which the user-logs are to be retained after the job completion.", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"hours" }' );
 
 -- maps to max_tasks_per_job in gscluster.
-INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "maxtasks_per_job", "-1", "Maximum tasks for a Job", "maximum number of tasks for a single job", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"" }' );
+INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "maxtasks_per_job", "-1", "Maximum number tasks for a Job", "Maximum number of tasks for a single Job", "MAPREDUCE" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"" }' );
 
 -- maps to dfs_datanode_failed_volume_tolerated in gscluster.
 INSERT OR REPLACE INTO "ConfigProperties" ( key, default_value, display_name, description, service_name, display_type, display_attributes ) VALUES ( "dfs_datanode_failed_volume_tolerated", "0", "DataNode volumes failure toleration", "The number of volumes that are allowed to fail before a datanode stops offering service", "HDFS" , "", '{ "isPassword": false, "noDisplay": false, "reconfigurable": true, "displayType": "text", "unit":"" }' );