seaweedfs/weed/shell/command_ec_test.go

141 lines
5.9 KiB
Go

package shell
import (
"fmt"
"testing"
"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
"github.com/seaweedfs/seaweedfs/weed/storage/needle"
)
func TestCommandEcDistribution(t *testing.T) {
allEcNodes := []*EcNode{
newEcNode("dc1", "rack1", "dn1", 100),
newEcNode("dc1", "rack2", "dn2", 100),
}
allocated := balancedEcDistribution(allEcNodes)
fmt.Printf("allocated: %+v", allocated)
}
func TestCommandEcBalanceSmall(t *testing.T) {
allEcNodes := []*EcNode{
newEcNode("dc1", "rack1", "dn1", 100).addEcVolumeAndShardsForTest(1, "c1", []uint32{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}),
newEcNode("dc1", "rack2", "dn2", 100).addEcVolumeAndShardsForTest(2, "c1", []uint32{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}),
}
racks := collectRacks(allEcNodes)
balanceEcVolumes(nil, "c1", allEcNodes, racks, false)
}
func TestCommandEcBalanceNothingToMove(t *testing.T) {
allEcNodes := []*EcNode{
newEcNode("dc1", "rack1", "dn1", 100).
addEcVolumeAndShardsForTest(1, "c1", []uint32{0, 1, 2, 3, 4, 5, 6}).
addEcVolumeAndShardsForTest(2, "c1", []uint32{7, 8, 9, 10, 11, 12, 13}),
newEcNode("dc1", "rack1", "dn2", 100).
addEcVolumeAndShardsForTest(1, "c1", []uint32{7, 8, 9, 10, 11, 12, 13}).
addEcVolumeAndShardsForTest(2, "c1", []uint32{0, 1, 2, 3, 4, 5, 6}),
}
racks := collectRacks(allEcNodes)
balanceEcVolumes(nil, "c1", allEcNodes, racks, false)
}
func TestCommandEcBalanceAddNewServers(t *testing.T) {
allEcNodes := []*EcNode{
newEcNode("dc1", "rack1", "dn1", 100).
addEcVolumeAndShardsForTest(1, "c1", []uint32{0, 1, 2, 3, 4, 5, 6}).
addEcVolumeAndShardsForTest(2, "c1", []uint32{7, 8, 9, 10, 11, 12, 13}),
newEcNode("dc1", "rack1", "dn2", 100).
addEcVolumeAndShardsForTest(1, "c1", []uint32{7, 8, 9, 10, 11, 12, 13}).
addEcVolumeAndShardsForTest(2, "c1", []uint32{0, 1, 2, 3, 4, 5, 6}),
newEcNode("dc1", "rack1", "dn3", 100),
newEcNode("dc1", "rack1", "dn4", 100),
}
racks := collectRacks(allEcNodes)
balanceEcVolumes(nil, "c1", allEcNodes, racks, false)
}
func TestCommandEcBalanceAddNewRacks(t *testing.T) {
allEcNodes := []*EcNode{
newEcNode("dc1", "rack1", "dn1", 100).
addEcVolumeAndShardsForTest(1, "c1", []uint32{0, 1, 2, 3, 4, 5, 6}).
addEcVolumeAndShardsForTest(2, "c1", []uint32{7, 8, 9, 10, 11, 12, 13}),
newEcNode("dc1", "rack1", "dn2", 100).
addEcVolumeAndShardsForTest(1, "c1", []uint32{7, 8, 9, 10, 11, 12, 13}).
addEcVolumeAndShardsForTest(2, "c1", []uint32{0, 1, 2, 3, 4, 5, 6}),
newEcNode("dc1", "rack2", "dn3", 100),
newEcNode("dc1", "rack2", "dn4", 100),
}
racks := collectRacks(allEcNodes)
balanceEcVolumes(nil, "c1", allEcNodes, racks, false)
}
func TestCommandEcBalanceVolumeEvenButRackUneven(t *testing.T) {
allEcNodes := []*EcNode{
newEcNode("dc1", "rack1", "dn_shared", 100).
addEcVolumeAndShardsForTest(1, "c1", []uint32{0}).
addEcVolumeAndShardsForTest(2, "c1", []uint32{0}),
newEcNode("dc1", "rack1", "dn_a1", 100).addEcVolumeAndShardsForTest(1, "c1", []uint32{1}),
newEcNode("dc1", "rack1", "dn_a2", 100).addEcVolumeAndShardsForTest(1, "c1", []uint32{2}),
newEcNode("dc1", "rack1", "dn_a3", 100).addEcVolumeAndShardsForTest(1, "c1", []uint32{3}),
newEcNode("dc1", "rack1", "dn_a4", 100).addEcVolumeAndShardsForTest(1, "c1", []uint32{4}),
newEcNode("dc1", "rack1", "dn_a5", 100).addEcVolumeAndShardsForTest(1, "c1", []uint32{5}),
newEcNode("dc1", "rack1", "dn_a6", 100).addEcVolumeAndShardsForTest(1, "c1", []uint32{6}),
newEcNode("dc1", "rack1", "dn_a7", 100).addEcVolumeAndShardsForTest(1, "c1", []uint32{7}),
newEcNode("dc1", "rack1", "dn_a8", 100).addEcVolumeAndShardsForTest(1, "c1", []uint32{8}),
newEcNode("dc1", "rack1", "dn_a9", 100).addEcVolumeAndShardsForTest(1, "c1", []uint32{9}),
newEcNode("dc1", "rack1", "dn_a10", 100).addEcVolumeAndShardsForTest(1, "c1", []uint32{10}),
newEcNode("dc1", "rack1", "dn_a11", 100).addEcVolumeAndShardsForTest(1, "c1", []uint32{11}),
newEcNode("dc1", "rack1", "dn_a12", 100).addEcVolumeAndShardsForTest(1, "c1", []uint32{12}),
newEcNode("dc1", "rack1", "dn_a13", 100).addEcVolumeAndShardsForTest(1, "c1", []uint32{13}),
newEcNode("dc1", "rack1", "dn_b1", 100).addEcVolumeAndShardsForTest(2, "c1", []uint32{1}),
newEcNode("dc1", "rack1", "dn_b2", 100).addEcVolumeAndShardsForTest(2, "c1", []uint32{2}),
newEcNode("dc1", "rack1", "dn_b3", 100).addEcVolumeAndShardsForTest(2, "c1", []uint32{3}),
newEcNode("dc1", "rack1", "dn_b4", 100).addEcVolumeAndShardsForTest(2, "c1", []uint32{4}),
newEcNode("dc1", "rack1", "dn_b5", 100).addEcVolumeAndShardsForTest(2, "c1", []uint32{5}),
newEcNode("dc1", "rack1", "dn_b6", 100).addEcVolumeAndShardsForTest(2, "c1", []uint32{6}),
newEcNode("dc1", "rack1", "dn_b7", 100).addEcVolumeAndShardsForTest(2, "c1", []uint32{7}),
newEcNode("dc1", "rack1", "dn_b8", 100).addEcVolumeAndShardsForTest(2, "c1", []uint32{8}),
newEcNode("dc1", "rack1", "dn_b9", 100).addEcVolumeAndShardsForTest(2, "c1", []uint32{9}),
newEcNode("dc1", "rack1", "dn_b10", 100).addEcVolumeAndShardsForTest(2, "c1", []uint32{10}),
newEcNode("dc1", "rack1", "dn_b11", 100).addEcVolumeAndShardsForTest(2, "c1", []uint32{11}),
newEcNode("dc1", "rack1", "dn_b12", 100).addEcVolumeAndShardsForTest(2, "c1", []uint32{12}),
newEcNode("dc1", "rack1", "dn_b13", 100).addEcVolumeAndShardsForTest(2, "c1", []uint32{13}),
newEcNode("dc1", "rack1", "dn3", 100),
}
racks := collectRacks(allEcNodes)
balanceEcVolumes(nil, "c1", allEcNodes, racks, false)
balanceEcRacks(nil, racks, false)
}
func newEcNode(dc string, rack string, dataNodeId string, freeEcSlot int) *EcNode {
return &EcNode{
info: &master_pb.DataNodeInfo{
Id: dataNodeId,
DiskInfos: make(map[string]*master_pb.DiskInfo),
},
dc: dc,
rack: RackId(rack),
freeEcSlot: freeEcSlot,
}
}
func (ecNode *EcNode) addEcVolumeAndShardsForTest(vid uint32, collection string, shardIds []uint32) *EcNode {
return ecNode.addEcVolumeShards(needle.VolumeId(vid), collection, shardIds)
}