Hello. I.P Good catch!
I confirm the regression. Will be fixed in the https://issues.apache.org/jira/browse/IGNITE-29109, shortly. пн, 5 окт. 2026 г. в 19:13, <[email protected]>: > > hi dev > > while working on some performance measurements in Ignite 2 and Ignite 3 it > looks like that I potentially found some regression in 2.18.0 version versus > 2.17.0. > It's about serialization of java.util.TreeMap and java.util.TreeSet (I didn't > check another collection though). To save the time for writing a reproducer I > used AI (claude code) to I'm attaching it here. Please, read README.md in the > archive for low-level details - it has quite extensive information how to run > it, possible issue description and a proposed solution. After some research, > it might be connected to the IGNITE-26061 (commit 06a557b2e4) but I'm not > very sure at the end... > > Could somebody please review it (such as I don't have any deep experience > with Ignite's internals) that all is true and probably assist here what would > be a next step in a resolution of the issue? > > Many thanks in advance! > > Best regards, > I.P.
