klcopp commented on a change in pull request #2971:
URL: https://github.com/apache/hive/pull/2971#discussion_r793418454
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/txn/compactor/Cleaner.java
##########
@@ -448,15 +461,15 @@ private boolean isFileBelowWatermark(FileStatus child,
long highWatermark) {
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;
Review comment:
This is good, but should also make sure that this base isn't the
recently compacted base (AcidUtils#isCompactedBase should help).
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/txn/compactor/Cleaner.java
##########
@@ -448,15 +461,15 @@ private boolean isFileBelowWatermark(FileStatus child,
long highWatermark) {
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;
}
if (fn.startsWith(AcidUtils.DELTA_PREFIX) ||
fn.startsWith(AcidUtils.DELETE_DELTA_PREFIX)) {
ParsedDeltaLight d = ParsedDeltaLight.parse(p);
- return d.getMaxWriteId() < highWatermark;
+ return d.getMaxWriteId() <= highWatermark;
Review comment:
Same as above: the delta might be the result of the latest compaction
(visibilityTxnId > 0)
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