HTHou commented on a change in pull request #2846:
URL: https://github.com/apache/iotdb/pull/2846#discussion_r594809420
##########
File path:
server/src/main/java/org/apache/iotdb/db/query/executor/LastQueryExecutor.java
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@@ -187,6 +187,7 @@ public QueryDataSet execute(QueryContext context,
LastQueryPlan lastQueryPlan)
TimeValuePair tvPair = cacheAccessors.get(i).read();
if (tvPair != null) {
resultContainer.add(new Pair<>(true, tvPair));
+ DEBUG_LOGGER.info("[LastQueryExecutor] Last cache hit for path: " +
seriesPaths.get(i) + " with timestamp: " + tvPair.getTimestamp());
Review comment:
```suggestion
DEBUG_LOGGER.info("[LastQueryExecutor] Last cache hit for path: {}
with timestamp: {}" , seriesPaths.get(i), tvPair.getTimestamp());
```
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