gortiz commented on code in PR #15609:
URL: https://github.com/apache/pinot/pull/15609#discussion_r2068519625
##########
pinot-query-runtime/src/main/java/org/apache/pinot/query/runtime/executor/OpChainSchedulerService.java:
##########
@@ -18,35 +18,65 @@
*/
package org.apache.pinot.query.runtime.executor;
+import com.google.common.cache.Cache;
+import com.google.common.cache.CacheBuilder;
+import java.util.ArrayList;
import java.util.Iterator;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
import org.apache.pinot.core.util.trace.TraceRunnable;
import org.apache.pinot.query.runtime.blocks.ErrorMseBlock;
import org.apache.pinot.query.runtime.blocks.MseBlock;
+import org.apache.pinot.query.runtime.operator.MultiStageOperator;
import org.apache.pinot.query.runtime.operator.OpChain;
import org.apache.pinot.query.runtime.operator.OpChainId;
import org.apache.pinot.query.runtime.plan.MultiStageQueryStats;
import org.apache.pinot.spi.accounting.ThreadExecutionContext;
+import org.apache.pinot.spi.env.PinotConfiguration;
import org.apache.pinot.spi.trace.Tracing;
+import org.apache.pinot.spi.utils.CommonConstants.MultiStageQueryRunner;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-
public class OpChainSchedulerService {
private static final Logger LOGGER =
LoggerFactory.getLogger(OpChainSchedulerService.class);
private final ExecutorService _executorService;
- private final ConcurrentHashMap<OpChainId, Future<?>> _submittedOpChainMap;
+ private final ConcurrentHashMap<OpChainId, Future<?>> _submittedOpChainMap =
new ConcurrentHashMap<>();
+ private final Cache<OpChainId, MultiStageOperator> _opChainCache;
+
+
+ public OpChainSchedulerService(ExecutorService executorService,
PinotConfiguration config) {
Review Comment:
Yes, nice catch
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