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more accurate estimation

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chrislu
2025-08-10 18:42:22 -07:00
parent 72f0a47563
commit 0f1ca16457
1 changed files with 8 additions and 3 deletions
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11
weed/admin/maintenance/maintenance_scanner.go
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@@ -7,6 +7,7 @@ import (
"github.com/seaweedfs/seaweedfs/weed/glog"
"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
"github.com/seaweedfs/seaweedfs/weed/storage/erasure_coding"
"github.com/seaweedfs/seaweedfs/weed/worker/types"
)
@@ -300,14 +301,18 @@ func (ms *MaintenanceScanner) createECVolumeMetric(volumeID uint32) *VolumeHealt
Age: 24 * time.Hour, // Default age
}
// Calculate total size from all shards of this volume
// Calculate total size from all shards of this volume
if len(ecShardInfo.ShardSizes) > 0 {
var totalShardSize uint64
for _, shardSize := range ecShardInfo.ShardSizes {
totalShardSize += uint64(shardSize) // Convert int64 to uint64
}
// Estimate original volume size (shards are compressed/encoded)
metric.Size = totalShardSize * 2 // Rough estimate
// Estimate original volume size from the data shards
// Assumes shard sizes are roughly equal
avgShardSize := totalShardSize / uint64(len(ecShardInfo.ShardSizes))
metric.Size = avgShardSize * uint64(erasure_coding.DataShardsCount)
} else {
metric.Size = 0 // No shards, no size
}
glog.V(3).Infof("Created EC volume metric for volume %d, size=%d", volumeID, metric.Size)