15397: Remove obsolete APIs.

[arvados.git] / sdk / go / arvados / fs_collection_test.go

diff --git a/sdk/go/arvados/fs_collection_test.go b/sdk/go/arvados/fs_collection_test.go
index 5d9c52c860d3e1fd59c9b7896741444e9ed24c04..b57f9aa30f7bbd6c6ad6c62693ffb4e9947a566d 100644 (file)
--- a/sdk/go/arvados/fs_collection_test.go
+++ b/sdk/go/arvados/fs_collection_test.go
@@ -1643,17 +1643,37 @@ func (s *CollectionFSUnitSuite) TestLargeManifest_ManyFiles(c *check.C) {
        if testing.Short() {
                c.Skip("slow")
        }
-       s.testLargeManifest(c, 512, 512, 1)
+       s.testLargeManifest(c, 512, 512, 1, 0)
 }
 
 func (s *CollectionFSUnitSuite) TestLargeManifest_LargeFiles(c *check.C) {
        if testing.Short() {
                c.Skip("slow")
        }
-       s.testLargeManifest(c, 1, 800, 1000)
+       s.testLargeManifest(c, 1, 800, 1000, 0)
 }
 
-func (s *CollectionFSUnitSuite) testLargeManifest(c *check.C, dirCount, filesPerDir, blocksPerFile int) {
+func (s *CollectionFSUnitSuite) TestLargeManifest_InterleavedFiles(c *check.C) {
+       if testing.Short() {
+               c.Skip("slow")
+       }
+       // Timing figures here are from a dev host, (0)->(1)->(2)->(3)
+       // (0) no optimizations (main branch commit ea697fb1e8)
+       // (1) resolve streampos->blkidx with binary search
+       // (2) ...and rewrite PortableDataHash() without regexp
+       // (3) ...and use fnodeCache in loadManifest
+       s.testLargeManifest(c, 1, 800, 100, 4<<20) // 127s    -> 12s  -> 2.5s -> 1.5s
+       s.testLargeManifest(c, 1, 50, 1000, 4<<20) // 44s     -> 10s  -> 1.5s -> 0.8s
+       s.testLargeManifest(c, 1, 200, 100, 4<<20) // 13s     -> 4s   -> 0.6s -> 0.3s
+       s.testLargeManifest(c, 1, 200, 150, 4<<20) // 26s     -> 4s   -> 1s   -> 0.5s
+       s.testLargeManifest(c, 1, 200, 200, 4<<20) // 38s     -> 6s   -> 1.3s -> 0.7s
+       s.testLargeManifest(c, 1, 200, 225, 4<<20) // 46s     -> 7s   -> 1.5s -> 1s
+       s.testLargeManifest(c, 1, 400, 400, 4<<20) // 477s    -> 24s  -> 5s   -> 3s
+       // s.testLargeManifest(c, 1, 800, 1000, 4<<20) // timeout -> 186s -> 28s  -> 17s
+}
+
+func (s *CollectionFSUnitSuite) testLargeManifest(c *check.C, dirCount, filesPerDir, blocksPerFile, interleaveChunk int) {
+       t0 := time.Now()
        const blksize = 1 << 26
        c.Logf("%s building manifest with dirCount=%d filesPerDir=%d blocksPerFile=%d", time.Now(), dirCount, filesPerDir, blocksPerFile)
        mb := bytes.NewBuffer(make([]byte, 0, 40000000))
@@ -1667,7 +1687,18 @@ func (s *CollectionFSUnitSuite) testLargeManifest(c *check.C, dirCount, filesPer
                        }
                }
                for j := 0; j < filesPerDir; j++ {
-                       fmt.Fprintf(mb, " %d:%d:dir%d/file%d", j*blocksPerFile*blksize, blocksPerFile*blksize, j, j)
+                       if interleaveChunk == 0 {
+                               fmt.Fprintf(mb, " %d:%d:dir%d/file%d", (filesPerDir-j-1)*blocksPerFile*blksize, blocksPerFile*blksize, j, j)
+                               continue
+                       }
+                       for todo := int64(blocksPerFile) * int64(blksize); todo > 0; todo -= int64(interleaveChunk) {
+                               size := int64(interleaveChunk)
+                               if size > todo {
+                                       size = todo
+                               }
+                               offset := rand.Int63n(int64(blocksPerFile)*int64(blksize)*int64(filesPerDir) - size)
+                               fmt.Fprintf(mb, " %d:%d:dir%d/file%d", offset, size, j, j)
+                       }
                }
                mb.Write([]byte{'\n'})
        }
@@ -1702,6 +1733,7 @@ func (s *CollectionFSUnitSuite) testLargeManifest(c *check.C, dirCount, filesPer
        runtime.ReadMemStats(&memstats)
        c.Logf("%s Alloc=%d Sys=%d", time.Now(), memstats.Alloc, memstats.Sys)
        c.Logf("%s MemorySize=%d", time.Now(), f.MemorySize())
+       c.Logf("%s ... test duration %s", time.Now(), time.Now().Sub(t0))
 }
 
 // Gocheck boilerplate