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| author | Chris Lu <chris.lu@gmail.com> | 2013-02-10 03:09:26 -0800 |
|---|---|---|
| committer | Chris Lu <chris.lu@gmail.com> | 2013-02-10 03:09:26 -0800 |
| commit | cb4e8ec16b5c204718f1efdc1731f1bdd5698ff3 (patch) | |
| tree | 47f27040c3d80e6849932bf2acf54b68c930f72b /src/weed/storage/compact_map_perf_test.go | |
| parent | d3b267bac27018b7f70dfec7c258d0556fff4c14 (diff) | |
| download | seaweedfs-cb4e8ec16b5c204718f1efdc1731f1bdd5698ff3.tar.xz seaweedfs-cb4e8ec16b5c204718f1efdc1731f1bdd5698ff3.zip | |
re-organize code directory structure
Diffstat (limited to 'src/weed/storage/compact_map_perf_test.go')
| -rw-r--r-- | src/weed/storage/compact_map_perf_test.go | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/weed/storage/compact_map_perf_test.go b/src/weed/storage/compact_map_perf_test.go new file mode 100644 index 000000000..b99356a73 --- /dev/null +++ b/src/weed/storage/compact_map_perf_test.go @@ -0,0 +1,43 @@ +package storage + +import ( + "log" + "os" + "weed/util" + "testing" +) + +func TestMemoryUsage(t *testing.T) { + + indexFile, ie := os.OpenFile("sample.idx", os.O_RDWR|os.O_RDONLY, 0644) + if ie != nil { + log.Fatalln(ie) + } + LoadNewNeedleMap(indexFile) + +} + +func LoadNewNeedleMap(file *os.File) CompactMap { + m := NewCompactMap() + bytes := make([]byte, 16*1024) + count, e := file.Read(bytes) + if count > 0 { + fstat, _ := file.Stat() + log.Println("Loading index file", fstat.Name(), "size", fstat.Size()) + } + for count > 0 && e == nil { + for i := 0; i < count; i += 16 { + key := util.BytesToUint64(bytes[i : i+8]) + offset := util.BytesToUint32(bytes[i+8 : i+12]) + size := util.BytesToUint32(bytes[i+12 : i+16]) + if offset > 0 { + m.Set(Key(key), offset, size) + } else { + //delete(m, key) + } + } + + count, e = file.Read(bytes) + } + return m +} |
