charlesconnell commented on code in PR #6381:
URL: https://github.com/apache/hbase/pull/6381#discussion_r1894238175
##########
hbase-common/src/main/java/org/apache/hadoop/hbase/io/FileChangeWatcher.java:
##########
@@ -216,44 +214,40 @@ public void run() {
runLoop();
} catch (Exception e) {
LOG.warn("Error in runLoop()", e);
- throw e;
+ throw new RuntimeException(e);
} finally {
- try {
- watchService.close();
- } catch (IOException e) {
- LOG.warn("Error closing watch service", e);
- }
- LOG.info("{} thread finished", getName());
+ LOG.debug("{} thread finished", getName());
FileChangeWatcher.this.setState(FileChangeWatcher.State.STOPPED);
}
}
- private void runLoop() {
+ private void runLoop() throws IOException {
while (FileChangeWatcher.this.getState() ==
FileChangeWatcher.State.RUNNING) {
- WatchKey key;
- try {
- key = watchService.take();
- } catch (InterruptedException | ClosedWatchServiceException e) {
- LOG.debug("{} was interrupted and is shutting down...", getName());
- break;
+ BasicFileAttributes attributes = Files.readAttributes(filePath,
BasicFileAttributes.class);
+ boolean modified = false;
+ synchronized (lastModifiedTimeLock) {
+ FileTime maybeNewLastModifiedTime = attributes.lastModifiedTime();
+ if (!lastModifiedTime.equals(maybeNewLastModifiedTime)) {
+ modified = true;
+ lastModifiedTime = maybeNewLastModifiedTime;
+ }
Review Comment:
Good point.
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