kgyrtkirk commented on a change in pull request #2971:
URL: https://github.com/apache/hive/pull/2971#discussion_r820544902
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File path: ql/src/java/org/apache/hadoop/hive/ql/txn/compactor/Cleaner.java
##########
@@ -439,29 +440,40 @@ private boolean removeFiles(String location,
ValidWriteIdList writeIdList, Compa
return success;
}
- private boolean hasDataBelowWatermark(FileSystem fs, Path path, long
highWatermark) throws IOException {
- FileStatus[] children = fs.listStatus(path);
+ private boolean hasDataBelowWatermark(AcidDirectory acidDir, FileSystem fs,
Path path, long highWatermark,
+ long minOpenTxn)
+ throws IOException {
+ Set<Path> acidPaths = new HashSet<>();
+ for (ParsedDelta delta : acidDir.getCurrentDirectories()) {
+ acidPaths.add(delta.getPath());
+ }
+ if (acidDir.getBaseDirectory() != null) {
+ acidPaths.add(acidDir.getBaseDirectory());
+ }
+ FileStatus[] children = fs.listStatus(path, p -> {
+ return !acidPaths.contains(p);
+ });
for (FileStatus child : children) {
- if (isFileBelowWatermark(child, highWatermark)) {
+ if (isFileBelowWatermark(child, highWatermark, minOpenTxn)) {
return true;
}
}
return false;
}
- private boolean isFileBelowWatermark(FileStatus child, long highWatermark) {
+ private boolean isFileBelowWatermark(FileStatus child, long highWatermark,
long minOpenTxn) {
Path p = child.getPath();
String fn = p.getName();
if (!child.isDirectory()) {
- return false;
+ return true;
}
if (fn.startsWith(AcidUtils.BASE_PREFIX)) {
ParsedBaseLight b = ParsedBaseLight.parseBase(p);
- return b.getWriteId() < highWatermark;
+ return b.getWriteId() <= highWatermark && b.getVisibilityTxnId() <=
minOpenTxn;
Review comment:
yes - this seemed fishy; this was changed during that zoom call; I
changed this back to `b.getWriteId() < highWatermark` because I think thats the
right conditional for this.
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