Skip to content

Added accountable function to measurementSchema #508

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Jun 9, 2025
Merged

Added accountable function to measurementSchema #508

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 2 additions & 1 deletion java/tsfile/src/main/java/org/apache/tsfile/write/schema/IMeasurementSchema.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@
import org.apache.tsfile.enums.TSDataType;
import org.apache.tsfile.file.metadata.enums.CompressionType;
import org.apache.tsfile.file.metadata.enums.TSEncoding;
import org.apache.tsfile.utils.Accountable;

import java.io.IOException;
import java.io.OutputStream;
Expand All @@ -31,7 +32,7 @@
import java.util.Map;
import java.util.stream.Collectors;

public interface IMeasurementSchema {
public interface IMeasurementSchema extends Accountable {

MeasurementSchemaType getSchemaType();

Expand Down
12 changes: 12 additions & 0 deletions java/tsfile/src/main/java/org/apache/tsfile/write/schema/MeasurementSchema.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@
import org.apache.tsfile.enums.TSDataType;
import org.apache.tsfile.file.metadata.enums.CompressionType;
import org.apache.tsfile.file.metadata.enums.TSEncoding;
import org.apache.tsfile.utils.RamUsageEstimator;
import org.apache.tsfile.utils.ReadWriteIOUtils;
import org.apache.tsfile.utils.StringContainer;

Expand All @@ -47,6 +48,10 @@
public class MeasurementSchema
implements IMeasurementSchema, Comparable<MeasurementSchema>, Serializable {

private static final long INSTANCE_SIZE =
RamUsageEstimator.shallowSizeOfInstance(MeasurementSchema.class)
+ RamUsageEstimator.shallowSizeOfInstance(TSEncodingBuilder.class);

private String measurementName;
private TSDataType dataType;
private TSEncoding encoding;
Expand Down Expand Up @@ -455,4 +460,11 @@ public void setEncoding(TSEncoding encoding) {
public void setCompressionType(CompressionType compressionType) {
this.compressionType = compressionType;
}

@Override
public long ramBytesUsed() {
return INSTANCE_SIZE
+ RamUsageEstimator.sizeOf(measurementName)
+ RamUsageEstimator.sizeOfMap(props);
}
}
17 changes: 17 additions & 0 deletions java/tsfile/src/main/java/org/apache/tsfile/write/schema/VectorMeasurementSchema.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@
import org.apache.tsfile.enums.TSDataType;
import org.apache.tsfile.file.metadata.enums.CompressionType;
import org.apache.tsfile.file.metadata.enums.TSEncoding;
import org.apache.tsfile.utils.RamUsageEstimator;
import org.apache.tsfile.utils.ReadWriteIOUtils;
import org.apache.tsfile.utils.StringContainer;

Expand All @@ -42,6 +43,10 @@

public class VectorMeasurementSchema
implements IMeasurementSchema, Comparable<VectorMeasurementSchema>, Serializable {
private static final long INSTANCE_SIZE =
RamUsageEstimator.shallowSizeOfInstance(VectorMeasurementSchema.class);
private static final long BUILDER_SIZE =
RamUsageEstimator.shallowSizeOfInstance(TSEncodingBuilder.class);

private String deviceId;
private Map<String, Integer> measurementsToIndexMap;
Expand Down Expand Up @@ -422,4 +427,16 @@ public String toString() {
sc.addTail(CompressionType.deserialize(compressor).toString());
return sc.toString();
}

@Override
public long ramBytesUsed() {
return INSTANCE_SIZE
+ RamUsageEstimator.sizeOf(deviceId)
+ RamUsageEstimator.sizeOf(types)
+ RamUsageEstimator.sizeOf(encodings)
+ (long) encodingConverters.length * RamUsageEstimator.NUM_BYTES_OBJECT_REF
+ Arrays.stream(encodingConverters)
.map(o -> Objects.nonNull(o) ? BUILDER_SIZE : 0)
.reduce(0L, Long::sum);
}
}