vrajat commented on code in PR #14110:
URL: https://github.com/apache/pinot/pull/14110#discussion_r1808653546
##########
pinot-broker/src/main/java/org/apache/pinot/broker/api/resources/PinotClientRequest.java:
##########
@@ -437,6 +456,22 @@ private BrokerResponse executeSqlQuery(ObjectNode
sqlRequestJson, HttpRequesterI
if (forceUseMultiStage) {
sqlNodeAndOptions.setExtraOptions(ImmutableMap.of(Request.QueryOptionKey.USE_MULTISTAGE_ENGINE,
"true"));
}
+ if (getCursor != null && getCursor) {
+ if (numRows == null) {
+ numRows =
_brokerConf.getProperty(CommonConstants.CursorConfigs.QUERY_RESULT_SIZE,
+ CommonConstants.CursorConfigs.DEFAULT_QUERY_RESULT_SIZE);
+ }
+
+ if (numRows > CommonConstants.CursorConfigs.MAX_QUERY_RESULT_SIZE) {
Review Comment:
`MAX_CURSOR_NUM_ROWS` is a better name. There is no restriction on the size
of the query result. The restriction is on the number of rows in a specific
fetch. I added this as a backstop to runaway cursor fetch workloads. Couple of
options:
* I can remove it.
* Default to a much larger number. (500K right now).
Preferences?
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