shauryachats commented on code in PR #14981:
URL: https://github.com/apache/pinot/pull/14981#discussion_r1941846709
##########
pinot-query-runtime/src/main/java/org/apache/pinot/query/runtime/operator/groupby/GroupIdGeneratorFactory.java:
##########
@@ -25,24 +25,27 @@ public class GroupIdGeneratorFactory {
private GroupIdGeneratorFactory() {
}
- public static GroupIdGenerator getGroupIdGenerator(ColumnDataType[]
keyTypes, int numKeyColumns, int numGroupsLimit) {
+ public static GroupIdGenerator getGroupIdGenerator(ColumnDataType[]
keyTypes, int numKeyColumns,
+ int numGroupsLimit, int maxInitialResultHolderCapacity) {
+ // Initial capacity is one more than expected to avoid rehashing if
container is full.
+ int initialCapacity = 1 + Math.min(maxInitialResultHolderCapacity,
numGroupsLimit);
Review Comment:
Agreed, updated.
##########
pinot-spi/src/main/java/org/apache/pinot/spi/utils/CommonConstants.java:
##########
@@ -756,6 +757,8 @@ public static class Server {
"pinot.server.query.executor.group.trim.size";
public static final String
CONFIG_OF_QUERY_EXECUTOR_MAX_INITIAL_RESULT_HOLDER_CAPACITY =
"pinot.server.query.executor.max.init.group.holder.capacity";
+ public static final String
CONFIG_OF_QUERY_EXECUTOR_MSE_MAX_INITIAL_RESULT_HOLDER_CAPACITY =
+ "pinot.server.query.executor.mse.max.init.group.holder.capacity";
Review Comment:
Good point, updated.
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