thomasmueller commented on code in PR #3112:
URL: https://github.com/apache/jackrabbit-oak/pull/3112#discussion_r3979788084
##########
oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/index/AsyncIndexUpdate.java:
##########
@@ -1406,6 +1417,25 @@ public void doneOneCycle(long timeInMillis, long
updates){
lastIndexedTime.inc(System.currentTimeMillis() -
previousLastIndexedTime);
}
+ /**
+ * Reads the persisted ":async/<lane>-LastIndexedTo"
property as epoch millis,
+ * or 0 when it is absent or cannot be parsed (e.g. before the
initial index).
+ * Used to initialise the {@code lastIndexedTime} counter at
construction.
+ */
+ private long readLastIndexedToMillis() {
+ try {
+ PropertyState ps =
store.getRoot().getChildNode(ASYNC).getProperty(lastIndexedTo);
+ if (ps == null) {
+ return 0;
+ }
+ Calendar cal = ISO8601.parse(ps.getValue(Type.STRING));
+ return cal != null ? cal.getTimeInMillis() : 0;
+ } catch (Exception e) {
+ log.debug("[{}] Unable to read {} for LAST_INDEXED_TIME
metric", name, lastIndexedTo, e);
Review Comment:
```suggestion
log.warn("[{}] Unable to read {} for LAST_INDEXED_TIME
metric", name, lastIndexedTo, e);
```
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