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HBASE-19275 TestSnapshotFileCache never worked properly 

Signed-off-by: Andrew Purtell <apurtell@apache.org>
This commit is contained in:
Xu Cang 2018-07-22 20:37:55 -07:00 committed by Andrew Purtell
parent 4d7235ec54
commit 1b7e4fdcfc
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GPG Key ID: 8597754DD5365CCD
1 changed files with 17 additions and 21 deletions
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38
hbase-server/src/test/java/org/apache/hadoop/hbase/master/snapshot/TestSnapshotFileCache.java
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@ -68,7 +68,6 @@ public class TestSnapshotFileCache {
private static final Logger LOG = LoggerFactory.getLogger(TestSnapshotFileCache.class);
private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();
private static long sequenceId = 0;
private static FileSystem fs;
private static Path rootDir;
@ -163,9 +162,6 @@ public class TestSnapshotFileCache {
SnapshotMock.SnapshotBuilder complete =
createAndTestSnapshotV1(cache, "snapshot", false, false);
SnapshotMock.SnapshotBuilder inProgress =
createAndTestSnapshotV1(cache, "snapshotInProgress", true, false);
int countBeforeCheck = count.get();
FSUtils.logFileSystemState(fs, rootDir, LOG);
@ -238,12 +234,11 @@ public class TestSnapshotFileCache {
List<Path> files = new ArrayList<>();
for (int i = 0; i < 3; ++i) {
for (Path filePath: builder.addRegion()) {
String fileName = filePath.getName();
if (tmp) {
// We should be able to find all the files while the snapshot creation is in-progress
FSUtils.logFileSystemState(fs, rootDir, LOG);
Iterable<FileStatus> nonSnapshot = getNonSnapshotFiles(cache, filePath);
assertFalse("Cache didn't find " + fileName, Iterables.contains(nonSnapshot, fileName));
assertFalse("Cache didn't find " + filePath,
contains(getNonSnapshotFiles(cache, filePath), filePath));
}
files.add(filePath);
}
@ -256,9 +251,7 @@ public class TestSnapshotFileCache {
// Make sure that all files are still present
for (Path path: files) {
Iterable<FileStatus> nonSnapshotFiles = getNonSnapshotFiles(cache, path);
assertFalse("Cache didn't find " + path.getName(),
Iterables.contains(nonSnapshotFiles, path.getName()));
assertFalse("Cache didn't find " + path, contains(getNonSnapshotFiles(cache, path), path));
}
FSUtils.logFileSystemState(fs, rootDir, LOG);
@ -267,25 +260,28 @@ public class TestSnapshotFileCache {
fs.delete(builder.getSnapshotsDir(), true);
FSUtils.logFileSystemState(fs, rootDir, LOG);
// The files should be in cache until next refresh
for (Path filePath: files) {
Iterable<FileStatus> nonSnapshotFiles = getNonSnapshotFiles(cache, filePath);
assertFalse("Cache didn't find " + filePath.getName(), Iterables.contains(nonSnapshotFiles,
filePath.getName()));
}
// then trigger a refresh
cache.triggerCacheRefreshForTesting();
// and not it shouldn't find those files
for (Path filePath: files) {
Iterable<FileStatus> nonSnapshotFiles = getNonSnapshotFiles(cache, filePath);
assertTrue("Cache found '" + filePath.getName() + "', but it shouldn't have.",
!Iterables.contains(nonSnapshotFiles, filePath.getName()));
assertTrue("Cache found '" + filePath + "', but it shouldn't have.",
contains(getNonSnapshotFiles(cache, filePath), filePath));
}
}
}
private Iterable<FileStatus> getNonSnapshotFiles(SnapshotFileCache cache, Path storeFile)
private static boolean contains(Iterable<FileStatus> files, Path filePath) {
for (FileStatus status: files) {
LOG.debug("debug in contains, 3.1: " + status.getPath() + " filePath:" + filePath);
if (filePath.equals(status.getPath())) {
return true;
}
}
return false;
}
private static Iterable<FileStatus> getNonSnapshotFiles(SnapshotFileCache cache, Path storeFile)
throws IOException {
return cache.getUnreferencedFiles(
Arrays.asList(FSUtils.listStatus(fs, storeFile.getParent())), null