ptupitsyn commented on issue #12639:
URL: https://github.com/apache/ignite/issues/12639#issuecomment-3772059413
For what it's worth, below is a workaround using the internal API to pass
around the "causality token" or "observable timestamp":
```java
// Sender service gets timestamp after doing updates
TcpIgniteClient senderTcpClient = (TcpIgniteClient) igniteClient;
long ts =
senderTcpClient.channel().observableTimestamp().get().longValue(); // Include
ts in the REST call
// Receiver service gets sender timestamp from REST call and applies:
long senderTs = ...;
TcpIgniteClient receiverTcpClient = (TcpIgniteClient) igniteClient;
receiverTcpClient.channel().observableTimestamp().update(ts);
// Now read the data, transaction is not necessary
```
(add a dependency to `org.apache.ignite:ignite-core` to make it work)
@malte-f19 thank you for raising this issue, it triggered an important
discussion with the team, hopefully we will make this better in the next
release.
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