storj.io/minio@v0.0.0-20230509071714-0cbc90f649b1/cmd/metacache-bucket_test.go (about)

     1  package cmd
     2  
     3  import (
     4  	"fmt"
     5  	"testing"
     6  )
     7  
     8  func Benchmark_bucketMetacache_findCache(b *testing.B) {
     9  	bm := newBucketMetacache("", false)
    10  	const elements = 50000
    11  	const paths = 100
    12  	if elements%paths != 0 {
    13  		b.Fatal("elements must be divisible by the number of paths")
    14  	}
    15  	var pathNames [paths]string
    16  	for i := range pathNames[:] {
    17  		pathNames[i] = fmt.Sprintf("prefix/%d", i)
    18  	}
    19  	for i := 0; i < elements; i++ {
    20  		bm.findCache(listPathOptions{
    21  			ID:           mustGetUUID(),
    22  			Bucket:       "",
    23  			BaseDir:      pathNames[i%paths],
    24  			Prefix:       "",
    25  			FilterPrefix: "",
    26  			Marker:       "",
    27  			Limit:        0,
    28  			AskDisks:     0,
    29  			Recursive:    false,
    30  			Separator:    slashSeparator,
    31  			Create:       true,
    32  			CurrentCycle: uint64(i),
    33  			OldestCycle:  uint64(i - 1),
    34  		})
    35  	}
    36  	b.ReportAllocs()
    37  	b.ResetTimer()
    38  	for i := 0; i < b.N; i++ {
    39  		bm.findCache(listPathOptions{
    40  			ID:           mustGetUUID(),
    41  			Bucket:       "",
    42  			BaseDir:      pathNames[i%paths],
    43  			Prefix:       "",
    44  			FilterPrefix: "",
    45  			Marker:       "",
    46  			Limit:        0,
    47  			AskDisks:     0,
    48  			Recursive:    false,
    49  			Separator:    slashSeparator,
    50  			Create:       true,
    51  			CurrentCycle: uint64(i % elements),
    52  			OldestCycle:  uint64(0),
    53  		})
    54  	}
    55  }