ege-st commented on code in PR #11496:
URL: https://github.com/apache/pinot/pull/11496#discussion_r1319219386
##########
pinot-core/src/main/java/org/apache/pinot/core/transport/DataTableHandler.java:
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@@ -83,5 +98,12 @@ protected void channelRead0(ChannelHandlerContext ctx,
ByteBuf msg) {
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
LOGGER.error("Caught exception while handling response from server: {}",
_serverRoutingInstance, cause);
_brokerMetrics.addMeteredGlobalValue(BrokerMeter.RESPONSE_FETCH_EXCEPTIONS, 1);
+ if (cause instanceof java.lang.OutOfMemoryError) {
Review Comment:
Yes, that would be fantastic. If we agree on this approach to fixing the
Netty OOMs and get it tested and merged, then I think we can collaborate on a
plan to make resource management for queries really robust and resilient.
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