Lisandro Pin
6b98b52acc
Fix reporting of EC shard sizes from nodes to masters. ( #7835 )
SeaweedFS tracks EC shard sizes on topology data stuctures, but this information is never
relayed to master servers :( The end result is that commands reporting disk usage, such
as `volume.list` and `cluster.status`, yield incorrect figures when EC shards are present.
As an example for a simple 5-node test cluster, before...
```
> volume.list
Topology volumeSizeLimit:30000 MB hdd(volume:6/40 active:6 free:33 remote:0)
DataCenter DefaultDataCenter hdd(volume:6/40 active:6 free:33 remote:0)
Rack DefaultRack hdd(volume:6/40 active:6 free:33 remote:0)
DataNode 192.168.10.111:9001 hdd(volume:1/8 active:1 free:7 remote:0)
Disk hdd(volume:1/8 active:1 free:7 remote:0) id:0
volume id:3 size:88967096 file_count:172 replica_placement:2 version:3 modified_at_second:1766349617
ec volume id:1 collection: shards:[1 5]
Disk hdd total size:88967096 file_count:172
DataNode 192.168.10.111:9001 total size:88967096 file_count:172
DataCenter DefaultDataCenter hdd(volume:6/40 active:6 free:33 remote:0)
Rack DefaultRack hdd(volume:6/40 active:6 free:33 remote:0)
DataNode 192.168.10.111:9002 hdd(volume:2/8 active:2 free:6 remote:0)
Disk hdd(volume:2/8 active:2 free:6 remote:0) id:0
volume id:2 size:77267536 file_count:166 replica_placement:2 version:3 modified_at_second:1766349617
volume id:3 size:88967096 file_count:172 replica_placement:2 version:3 modified_at_second:1766349617
ec volume id:1 collection: shards:[0 4]
Disk hdd total size:166234632 file_count:338
DataNode 192.168.10.111:9002 total size:166234632 file_count:338
DataCenter DefaultDataCenter hdd(volume:6/40 active:6 free:33 remote:0)
Rack DefaultRack hdd(volume:6/40 active:6 free:33 remote:0)
DataNode 192.168.10.111:9003 hdd(volume:1/8 active:1 free:7 remote:0)
Disk hdd(volume:1/8 active:1 free:7 remote:0) id:0
volume id:2 size:77267536 file_count:166 replica_placement:2 version:3 modified_at_second:1766349617
ec volume id:1 collection: shards:[2 6]
Disk hdd total size:77267536 file_count:166
DataNode 192.168.10.111:9003 total size:77267536 file_count:166
DataCenter DefaultDataCenter hdd(volume:6/40 active:6 free:33 remote:0)
Rack DefaultRack hdd(volume:6/40 active:6 free:33 remote:0)
DataNode 192.168.10.111:9004 hdd(volume:2/8 active:2 free:6 remote:0)
Disk hdd(volume:2/8 active:2 free:6 remote:0) id:0
volume id:2 size:77267536 file_count:166 replica_placement:2 version:3 modified_at_second:1766349617
volume id:3 size:88967096 file_count:172 replica_placement:2 version:3 modified_at_second:1766349617
ec volume id:1 collection: shards:[3 7]
Disk hdd total size:166234632 file_count:338
DataNode 192.168.10.111:9004 total size:166234632 file_count:338
DataCenter DefaultDataCenter hdd(volume:6/40 active:6 free:33 remote:0)
Rack DefaultRack hdd(volume:6/40 active:6 free:33 remote:0)
DataNode 192.168.10.111:9005 hdd(volume:0/8 active:0 free:8 remote:0)
Disk hdd(volume:0/8 active:0 free:8 remote:0) id:0
ec volume id:1 collection: shards:[8 9 10 11 12 13]
Disk hdd total size:0 file_count:0
Rack DefaultRack total size:498703896 file_count:1014
DataCenter DefaultDataCenter total size:498703896 file_count:1014
total size:498703896 file_count:1014
```
...and after:
```
> volume.list
Topology volumeSizeLimit:30000 MB hdd(volume:6/40 active:6 free:33 remote:0)
DataCenter DefaultDataCenter hdd(volume:6/40 active:6 free:33 remote:0)
Rack DefaultRack hdd(volume:6/40 active:6 free:33 remote:0)
DataNode 192.168.10.111:9001 hdd(volume:1/8 active:1 free:7 remote:0)
Disk hdd(volume:1/8 active:1 free:7 remote:0) id:0
volume id:2 size:81761800 file_count:161 replica_placement:2 version:3 modified_at_second:1766349495
ec volume id:1 collection: shards:[1 5 9] sizes:[1:8.00 MiB 5:8.00 MiB 9:8.00 MiB] total:24.00 MiB
Disk hdd total size:81761800 file_count:161
DataNode 192.168.10.111:9001 total size:81761800 file_count:161
DataCenter DefaultDataCenter hdd(volume:6/40 active:6 free:33 remote:0)
Rack DefaultRack hdd(volume:6/40 active:6 free:33 remote:0)
DataNode 192.168.10.111:9002 hdd(volume:1/8 active:1 free:7 remote:0)
Disk hdd(volume:1/8 active:1 free:7 remote:0) id:0
volume id:3 size:88678712 file_count:170 replica_placement:2 version:3 modified_at_second:1766349495
ec volume id:1 collection: shards:[11 12 13] sizes:[11:8.00 MiB 12:8.00 MiB 13:8.00 MiB] total:24.00 MiB
Disk hdd total size:88678712 file_count:170
DataNode 192.168.10.111:9002 total size:88678712 file_count:170
DataCenter DefaultDataCenter hdd(volume:6/40 active:6 free:33 remote:0)
Rack DefaultRack hdd(volume:6/40 active:6 free:33 remote:0)
DataNode 192.168.10.111:9003 hdd(volume:2/8 active:2 free:6 remote:0)
Disk hdd(volume:2/8 active:2 free:6 remote:0) id:0
volume id:2 size:81761800 file_count:161 replica_placement:2 version:3 modified_at_second:1766349495
volume id:3 size:88678712 file_count:170 replica_placement:2 version:3 modified_at_second:1766349495
ec volume id:1 collection: shards:[0 4 8] sizes:[0:8.00 MiB 4:8.00 MiB 8:8.00 MiB] total:24.00 MiB
Disk hdd total size:170440512 file_count:331
DataNode 192.168.10.111:9003 total size:170440512 file_count:331
DataCenter DefaultDataCenter hdd(volume:6/40 active:6 free:33 remote:0)
Rack DefaultRack hdd(volume:6/40 active:6 free:33 remote:0)
DataNode 192.168.10.111:9004 hdd(volume:2/8 active:2 free:6 remote:0)
Disk hdd(volume:2/8 active:2 free:6 remote:0) id:0
volume id:2 size:81761800 file_count:161 replica_placement:2 version:3 modified_at_second:1766349495
volume id:3 size:88678712 file_count:170 replica_placement:2 version:3 modified_at_second:1766349495
ec volume id:1 collection: shards:[2 6 10] sizes:[2:8.00 MiB 6:8.00 MiB 10:8.00 MiB] total:24.00 MiB
Disk hdd total size:170440512 file_count:331
DataNode 192.168.10.111:9004 total size:170440512 file_count:331
DataCenter DefaultDataCenter hdd(volume:6/40 active:6 free:33 remote:0)
Rack DefaultRack hdd(volume:6/40 active:6 free:33 remote:0)
DataNode 192.168.10.111:9005 hdd(volume:0/8 active:0 free:8 remote:0)
Disk hdd(volume:0/8 active:0 free:8 remote:0) id:0
ec volume id:1 collection: shards:[3 7] sizes:[3:8.00 MiB 7:8.00 MiB] total:16.00 MiB
Disk hdd total size:0 file_count:0
Rack DefaultRack total size:511321536 file_count:993
DataCenter DefaultDataCenter total size:511321536 file_count:993
total size:511321536 file_count:993
```
3 days ago
chrislu
35fd1e1c9a
optimize memory usage for large number of volumes
1. unwrap the map to avoid extra map object creation
2. fix ec shard counting in UpdateEcShards
1 year ago
chrislu
26dbc6c905
move to https://github.com/seaweedfs/seaweedfs
3 years ago
chrislu
bc888226fc
erasure coding: tracking encoded/decoded volumes
If an EC shard is created but not spread to other servers, the masterclient would think this shard is not located here.
4 years ago
Patrick Schmidt
7413d59750
Fix EC shard count logic
This fixes the calculation of the amount of EC shards a node holds.
Previously a global counter was increased, but also used inside the
loop to apply disk usage deltas. This led to wrong absolute numbers.
The fix is to apply only deltas of single EC shards per iteration.
5 years ago
Chris Lu
3097b9a9b7
fix existence checking
5 years ago
Chris Lu
3fe628f04e
use hdd instead of empty string
5 years ago
Chris Lu
f8446b42ab
this can compile now!!!
5 years ago
j.laycock
6fc6322c90
Change joeslay paths to chrislusf paths
6 years ago
j.laycock
595a1beff0
Swap imports to use joeslay
6 years ago
Chris Lu
6b08db65b0
fix shard count reporting
7 years ago
Chris Lu
eaa76f11b7
free volume slots factor in ec shard counts
7 years ago
Chris Lu
2215e81be7
ui add ec shard statuses
7 years ago
Chris Lu
b58e25e588
broadcast vid->location map to master clients for ec chards
7 years ago
Chris Lu
af67d99ca4
incrementally update master ec shards state
7 years ago
Chris Lu
f0e6574d5e
allocate ec shards to volume servers
7 years ago
Chris Lu
8838176d82
register ec shards to topology
7 years ago
Chris Lu
8a96445f40
register ec shards to each data node
7 years ago
Chris Lu
4659d80035
prepare to register ec shard info in master
7 years ago
Chris Lu
7180520889
ec shard info can be queried via VolumeList()
7 years ago