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# Optimize CLUSTER NODES command by generating all nodes slot topology firstly
source "../tests/includes/init-tests.tcl"
proc cluster_allocate_with_continuous_slots {n} {
set slot 16383
set avg [expr ($slot+1) / $n]
while {$slot >= 0} {
set node [expr $slot/$avg >= $n ? $n-1 : $slot/$avg]
lappend slots_$node $slot
incr slot -1
}
for {set j 0} {$j < $n} {incr j} {
R $j cluster addslots {*}[set slots_${j}]
}
}
proc cluster_create_with_continuous_slots {masters slaves} {
cluster_allocate_with_continuous_slots $masters
if {$slaves} {
cluster_allocate_slaves $masters $slaves
}
assert_cluster_state ok
}
test "Create a 2 nodes cluster" {
cluster_create_with_continuous_slots 2 2
}
test "Cluster should start ok" {
assert_cluster_state ok
}
set master1 [Rn 0]
set master2 [Rn 1]
test "Continuous slots distribution" {
assert_match "* 0-8191*" [$master1 CLUSTER NODES]
assert_match "* 8192-16383*" [$master2 CLUSTER NODES]
$master1 CLUSTER DELSLOTS 4096
assert_match "* 0-4095 4097-8191*" [$master1 CLUSTER NODES]
$master2 CLUSTER DELSLOTS 12288
assert_match "* 8192-12287 12289-16383*" [$master2 CLUSTER NODES]
}
test "Discontinuous slots distribution" {
# Remove middle slots
$master1 CLUSTER DELSLOTS 4092 4094
assert_match "* 0-4091 4093 4095 4097-8191*" [$master1 CLUSTER NODES]
$master2 CLUSTER DELSLOTS 12284 12286
assert_match "* 8192-12283 12285 12287 12289-16383*" [$master2 CLUSTER NODES]
# Remove head slots
$master1 CLUSTER DELSLOTS 0 2
assert_match "* 1 3-4091 4093 4095 4097-8191*" [$master1 CLUSTER NODES]
# Remove tail slots
$master2 CLUSTER DELSLOTS 16380 16382 16383
assert_match "* 8192-12283 12285 12287 12289-16379 16381*" [$master2 CLUSTER NODES]
}
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