tkalkirill commented on code in PR #995:
URL: https://github.com/apache/ignite-3/pull/995#discussion_r944365835
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modules/page-memory/src/main/java/org/apache/ignite/internal/pagememory/persistence/checkpoint/CheckpointReadWriteLock.java:
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@@ -17,15 +17,20 @@
package org.apache.ignite.internal.pagememory.persistence.checkpoint;
-import static
org.apache.ignite.internal.pagememory.persistence.checkpoint.Checkpointer.CHECKPOINT_RUNNER_THREAD_PREFIX;
-
import java.util.concurrent.TimeUnit;
import org.apache.ignite.lang.IgniteInternalException;
/**
* Wrapper of the classic read write lock with checkpoint features.
*/
public class CheckpointReadWriteLock {
+ /**
+ * Any thread with a such prefix is managed by the checkpoint.
+ *
+ * <p>So some conditions can rely on it(ex. we don't need a checkpoint
lock there because checkpoint is already held write lock).
Review Comment:
Rather the first.
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