Liu Xuxin

How can I use Iceberg in C++

14

I checked the usage of Iceberg on the Internet and only found Java API and Python API. If I were to query Iceberg data in C++, would I have to...

[IOTDB-3771] Fix cannot take snapshot when the data dir and snapshot dir is on different disk

3

See [IOTDB-3771](https://issues.apache.org/jira/browse/IOTDB-3771).

[IOTDB-3164] Manage the memory of cross space compaction in write memory controller

3

See [IOTDB-3164](https://issues.apache.org/jira/browse/IOTDB-3164). This PR is one part of the compaction memory management. It does the following jobs: - Allocate memory before cross space compaction, and release the memory after the...

[To rel/0.13] [IOTDB-4251] Persist chunk metadata to save memory in TsFileIOWriter

1

See [IOTDB-4251](https://issues.apache.org/jira/browse/IOTDB-4251). This PR does the same thing as [PR-7276](https://github.com/apache/iotdb/pull/7276).

[IOTDB-4595] Add monitoring for compaction temporal files

1

See [IOTDB-4595](https://issues.apache.org/jira/browse/IOTDB-4595). This PR add monitoring for the size and number of compaction temporal files.

[IOTDB-4834] Try to reserve different data type(could cast) in compaction

1

See [IOTDB-4834](https://issues.apache.org/jira/browse/IOTDB-4834).

Support WAL Compression

1

The write-ahead logging consumes a significant amount of I/O resources during data writing, sometimes even 2-7 times the amount of TsFile I/O. Currently, the write-ahead logging in the system is...

Compression request of InsertRecords in Java client

2

This PR redesigned the serialization method of the InsertRecords write request, making the size of the serialized InsertRecords request smaller, thus saving network throughput.