fluencelabs/redis
1
0
Fork 0
mirror of https://github.com/fluencelabs/redis synced 2025-03-20 17:40:50 +00:00
Code Issues Projects Releases Wiki Activity

redis-trib: handle slot coverage fix in the "no nodes with keys" case.

Browse Source
This commit is contained in:
antirez 2013-02-22 10:23:53 +01:00
parent 392e0fa7eb
commit a81c598f95
1 changed files with 15 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/redis-trib.rb
View File

@ -287,11 +287,23 @@ class RedisTrib
single = slots.select {|k,v| v.length == 1} single = slots.select {|k,v| v.length == 1}
multi = slots.select {|k,v| v.length > 1} multi = slots.select {|k,v| v.length > 1}
# TODO: Handle none and single cases as well. # Handle case "1": keys in no node.
if single.length if none.length > 0
puts "The folowing uncovered slots have no keys across the cluster:"
puts none.keys.join(",")
yes_or_die "Fix these slots by covering with a random node?"
none.each{|slot,nodes|
node = @nodes.sample
puts "Covering slot #{slot} with #{node}"
node.r.cluster("addslots",slot)
}
end
# Handle case "2": keys only in one node.
if single.length > 0
puts "The folowing uncovered slots have keys in just one node:" puts "The folowing uncovered slots have keys in just one node:"
puts single.keys.join(",") puts single.keys.join(",")
yes_or_die "Fix this slots by covering with those nodes?" yes_or_die "Fix these slots by covering with those nodes?"
single.each{|slot,nodes| single.each{|slot,nodes|
puts "Covering slot #{slot} with #{nodes[0]}" puts "Covering slot #{slot} with #{nodes[0]}"
nodes[0].r.cluster("addslots",slot) nodes[0].r.cluster("addslots",slot)