Limitations¶
This topic describes some of the limitations of using Exchange 2.x.
Nebula Graph releases¶
The correspondence between the Nebula Exchange release (the JAR version) and the Nebula Graph release is as follows.
| Exchange client | Nebula Graph |
|---|---|
| 2.5-SNAPSHOT | nightly |
| 2.5.1 | 2.5.0, 2.5.1 |
| 2.5.0 | 2.5.0, 2.5.1 |
| 2.1.0 | 2.0.0, 2.0.1 |
| 2.0.1 | 2.0.0, 2.0.1 |
| 2.0.0 | 2.0.0, 2.0.1 |
JAR packages are available in two ways: compile them yourself or download them from the Maven repository.
If you are using Nebula Graph 1.x, use Nebula Exchange 1.x.
Environment¶
Exchange 2.x supports the following operating systems:
- CentOS 7
- macOS
Software depend on¶
To ensure the normal operation of Exchange, ensure that the following software has been installed on the machine:
- Apache Spark: 2.4.x
- Java: 1.8
- Scala: 2.10.7, 2.11.12 or 2.12.10
Hadoop Distributed File System (HDFS) needs to be deployed in the following scenarios:
- Migrate HDFS data
- Generate SST file
Last update: October 29, 2021