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misc [local history]: ability to trace writing changeset to disk

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GitOrigin-RevId: e9222018735c22ac074dc091f31dd46035dbfa92
This commit is contained in:
Ivan Semenov
2026-02-02 17:25:38 +00:00
committed by intellij-monorepo-bot
parent a4689fd544
commit f8d4713f6b
2 changed files with 12 additions and 0 deletions
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platform/lvcs-impl/resources/intellij.platform.lvcs.impl.xml
+3
View File
@@ -102,6 +102,9 @@
<statistics.counterUsagesCollector implementationClass="com.intellij.platform.lvcs.impl.statistics.LocalHistoryCounter"/>
<statistics.notificationIdsHolder implementation="com.intellij.history.core.LocalHistoryNotificationIdsHolder"/>
<registryKey key="lvcs.trace.changes.persistence.limit" defaultValue="100"
description="The maximum number of change entries to log when tracing the local history persistence"/>
</extensions>
<applicationListeners>
platform/lvcs-impl/src/com/intellij/history/core/changes/ChangeSet.java
+9
View File
@@ -21,6 +21,7 @@ import com.intellij.history.core.Content;
import com.intellij.history.core.DataStreamUtil;
import com.intellij.history.utils.LocalHistoryLog;
import com.intellij.openapi.util.NlsContexts;
import com.intellij.openapi.util.registry.Registry;
import com.intellij.util.SmartList;
import com.intellij.util.containers.ContainerUtil;
import com.intellij.util.io.DataInputOutputUtil;
@@ -36,6 +37,7 @@ import java.util.Collections;
import java.util.List;
import java.util.function.Predicate;
import java.util.function.Supplier;
import java.util.stream.Collectors;
public final class ChangeSet {
private static final int VERSION = 1;
@@ -75,6 +77,13 @@ public final class ChangeSet {
public void write(DataOutput out) throws IOException {
LocalHistoryLog.LOG.assertTrue(isLocked, "Changeset should be locked");
if (LocalHistoryLog.LOG.isTraceEnabled()) {
int maximumChanges = Registry.intValue("lvcs.trace.changes.persistence.limit", 100);
String lastChanges = myChanges.reversed().stream().limit(maximumChanges)
.map(Object::toString)
.collect(Collectors.joining("\n"));
LocalHistoryLog.LOG.trace("Writing changeset. Changes count: " + myChanges.size() + ". 100 latest changes: \n" + lastChanges);
}
DataInputOutputUtil.writeINT(out, VERSION);
DataInputOutputUtil.writeLONG(out, myId);
DataStreamUtil.writeStringOrNull(out, myName);