mxm commented on code in PR #14792:
URL: https://github.com/apache/iceberg/pull/14792#discussion_r2606082966
##########
flink/v2.0/flink/src/main/java/org/apache/iceberg/flink/sink/dynamic/TableMetadataCache.java:
##########
@@ -207,9 +207,26 @@ private Tuple2<Boolean, Exception>
refreshTable(TableIdentifier identifier) {
}
private boolean needsRefresh(CacheItem cacheItem, boolean allowRefresh) {
- return allowRefresh
- && (cacheItem == null
- || cacheRefreshClock.millis() - cacheItem.createdTimestampMillis >
refreshMs);
+ if (!allowRefresh) {
+ return false;
+ }
+
+ if (cacheItem == null) {
+ return true;
+ }
+
+ long nowMillis = cacheRefreshClock.millis();
+ long timeElapsedMillis = nowMillis - cacheItem.createdTimestampMillis;
+ if (timeElapsedMillis > refreshMs) {
+ LOG.info(
Review Comment:
That's a fair point, but the refresh interval is per-table. So if you have a
lot of tables, you will initially see loads of catalog calls. Afterwards, it is
probably fine.
I just realized you only added logging for cache misses when the cache is
already populated, I think that may be fine. Cache misses should only occur on
schema changes.
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