elasticsearch/elasticsearch — pull request #4853 by drewr (2014-01-22 23:43:26+00:00)
Title: Clean up cat headers

Remove duplicate cache columns, add aliases, normalize header names across actions.

For example:

==== nodes ====
id | id,nodeId | unique node id
pid | p | process id
host | h | host name
ip | i | ip address
port | po | bound transport port
version | v | es version
build | b | es build hash
jdk | j | jdk version
disk.avail | d,disk,diskAvail | available disk space
heap.percent | hp,heapPercent | used heap ratio
heap.max | hm,heapMax | max configured heap
ram.percent | rp,ramPercent | used machine memory ratio
ram.max | rm,ramMax | total machine memory
load | l | most recent load avg
uptime | u | node uptime
node.type | type,dc,nodeType | d:data node, c:client node
master | m | m:master-eligible, *:current master
name | n | node name
completion.size | cs,completionSize | size of completion
fielddata.memory_size | fm,fielddataMemory | used fielddata cache
fielddata.evictions | fe,fielddataEvictions | fielddata evictions
filter_cache.memory_size | fcm,filterCacheMemory | used filter cache