All Products
Search
Document Center

Time Series Database:Release notes

Last Updated:Mar 28, 2026

Release notes for Time Series Database (TSDB) SDK for Java.

TSDB SDK for Java is open source and hosted on GitHub. To report an issue, open a ticket on the GitHub Issues page.

Versions

0.3.7

TypeChanges
Bug fixesFixed data loss when flush() is called in specific scenarios.
RemovalsDeleted all API operations marked as deprecated.

Download hitsdb-client-0.3.7.jar

0.3.6

Important

This version changes the minimum valid timestamp, which may affect existing data writes. Verify your timestamp range before upgrading.

TypeChanges
New featuresAdded Config#lastResultReverseEnable() to return query results in descending timestamp order. Added a blacklist feature for API operations.
Bug fixesFixed a runtime error caused by an invalid javafx.util.Pair dependency. Fixed an invalid URL used to write multi-value data in ignoreError mode. Fixed premature shutdown before the asynchronous write queue is cleared during graceful shutdown. Fixed an invalid callback when the retry count reaches the maximum value in retryError.
Behavior changesChanged the minimum valid timestamp.

Download hitsdb-client-0.3.6.jar

0.3.5

TypeChanges
New featuresAdded deduplication support when writing data. Added an API operation for spatial data management (trial). This feature requires TSDB engine version later than V2.6.4. To obtain more information, submit a ticket.
Bug fixesFixed a thread surge when TSDBClient initialization fails due to resources not being released. Fixed BatchPutIgnoreErrorsCallback and MultiFieldBatchPutIgnoreErrorsCallback not being called. Fixed semaphores failing to be deleted.

Download hitsdb-client-0.3.5.jar

0.3.3

TypeChanges
New featuresAdded the following asynchronous API operations that allow dynamic callback configuration per call: void put(Collection<Point> points, AbstractBatchPutCallback batchPutCallback) and void multiFieldPut(Collection<MultiFieldPoint> points, AbstractMultiFieldBatchPutCallback batchPutCallback);

Download hitsdb-client-0.3.3.jar

0.3.2

TypeChanges
New featuresAdded support for empty strings when writing data.
Bug fixesFixed resource utilization issues.

Download hitsdb-client-0.3.2.jar

0.3.1

TypeChanges
New featuresAdded the flush() method for asynchronous write scenarios. Added API operations compatible with query hints (requires TSDB V2.6.2). Improved multi-value write and query capabilities.
Bug fixesFixed miscellaneous bugs.

Download hitsdb-client-0.3.1.jar

0.2.7

TypeChanges
New featuresAdded support for configuring authentication based on the TSDB user authentication feature.

Download hitsdb-client-0.2.7.jar

0.2.6

TypeChanges
New featuresAdded the delta operator for subqueries to calculate the difference between two single-value data points.
ImprovementsRemoved the dependency on Guava.

Download hitsdb-client-0.2.6.jar

0.2.5

TypeChanges
New featuresAdded support for recursive deletion of time series. Added support for deletion of multi-value time series.

Download hitsdb-client-0.2.5.jar

0.2.4

TypeChanges
Bug fixesFixed a JSON serialization issue.

Download hitsdb-client-0.2.4.jar

0.2.3

TypeChanges
New featuresAdded filter support for the MultiFieldSubQuery object. Added the preDpValue operator to filter data points before queries run.

Download hitsdb-client-0.2.3.jar

0.2.2

TypeChanges
New featuresAdded support for SQL query submission.

Download hitsdb-client-0.2.2.jar

0.2.1

TypeChanges
New featuresAdded support for asynchronous writes of multi-value data points.

Download hitsdb-client-0.2.1.jar

0.2.0

TypeChanges
New featuresAdded API operations for managing multi-value data points.

Download hitsdb-client-0.2.0.jar