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test(file cache parallel reads): Enabling parallel reads from file cache #4118

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test(file cache parallel reads): Enabling parallel reads from file cache #4118

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449663a
Enabling concurrent reading from file cache
abhishek10004 Dec 4, 2025
8b0d189
Updating test name & adding a comment
abhishek10004 Dec 5, 2025
b9b77c2
Using MkdirTemp
abhishek10004 Dec 8, 2025
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11 changes: 9 additions & 2 deletions tools/integration_tests/concurrent_operations/concurrent_read_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@ const (
)

var testDirPathForRead string
var cacheDirPath string

////////////////////////////////////////////////////////////////////////
// Boilerplate
Expand All @@ -54,6 +55,7 @@ func (s *concurrentReadTest) SetupTest() {

func (s *concurrentReadTest) TearDownTest() {
setup.UnmountGCSFuse(setup.MntDir())
operations.RemoveDir(cacheDirPath)
}

////////////////////////////////////////////////////////////////////////
Expand Down Expand Up @@ -205,7 +207,9 @@ func (s *concurrentReadTest) Test_ConcurrentSegmentReadsSharedHandle() {
}
}

func (s *concurrentReadTest) Test_ConcurrentReadPlusWrite() {
// Test_MultiThreadedWritePlusRead tests multiple threads doing write followed by read concurrently on different files.
// It creates 10 goroutines, each writing a 32 MiB file and then reading it sequentially.
func (s *concurrentReadTest) Test_MultiThreadedWritePlusRead() {
const (
fileSize = 32 * operations.OneMiB // 32 MiB file
numGoRoutines = 10 // Number of concurrent readers
Expand Down Expand Up @@ -269,9 +273,12 @@ func TestConcurrentRead(t *testing.T) {
return
}

cacheDirPath = fmt.Sprintf("/tmp/gcsfuse-file-cache-concurrent-read-%s", setup.GenerateRandomString(5))
cacheDirFlag := fmt.Sprintf("--cache-dir=%s", cacheDirPath)
// Define flag sets specific for concurrent read tests
flagsSet := [][]string{
{}, // For default read path.
{}, // For default read path.
{"--file-cache-cache-file-for-range-read=true", "--file-cache-enable-parallel-downloads=true", cacheDirFlag}, // For file cache path
{"--enable-buffered-read"}, // For Buffered read enabled.
}

Expand Down
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