gianm commented on a change in pull request #6129: Add support for
'maxTotalRows' to incremental publishing kafka indexing task and appenderator
based realtime task
URL: https://github.com/apache/incubator-druid/pull/6129#discussion_r210988655
##########
File path:
server/src/main/java/io/druid/segment/realtime/appenderator/AppenderatorConfig.java
##########
@@ -30,12 +30,48 @@
{
boolean isReportParseExceptions();
+ /**
+ * Maximum number of rows in memory before persisting to local storage
+ *
+ * @return
+ */
int getMaxRowsInMemory();
+ /**
+ * Maximum number of bytes (estimated) to store in memory before persisting
to local storage
+ *
+ * @return
+ */
long getMaxBytesInMemory();
+
int getMaxPendingPersists();
+ /**
+ * Maximum number of rows in a single segment before pushing to deep storage
+ *
+ * @return
+ */
+ default int getMaxRowsPerSegment()
+ {
+ return Integer.MAX_VALUE;
+ }
+
+ /**
+ * Maximum number of rows across all segments before pushing to deep storage
+ *
+ * @return
+ */
+ @Nullable
+ default Long getMaxTotalRows()
Review comment:
Why `null` instead of `Long.MAX_VALUE`? That's more rows that one machine
could possibly store anyway.
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