Sergey Chugunov created IGNITE-12721:
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Summary: Validation of key length written to Distributed
Metastorage
Key: IGNITE-12721
URL: https://issues.apache.org/jira/browse/IGNITE-12721
Project: Ignite
Issue Type: Task
Reporter: Sergey Chugunov
Assignee: Sergey Chugunov
Fix For: 2.9
DistributedMetastorage functionality introduced in IGNITE-10640 provides
convenient way to perform coordinated writes to local MetaStorages on all
server nodes but lacks important part: validation of key length.
Current implementation of MetaStorage doesn't allow keys longer than a specific
value (64 bytes minus some prefixes, see source code for details) and throws
assertion error on an attempt to write longer key.
This error from MetaStorage is not propagated to DistributedMetastorage and (in
theory) may even cause a node to halt.
In order to avoid this situation validation of key length should be added right
to DistributedMetastorage implementation to enforce "fail-fast" principle and
preserve Ignite nodes from potentially dangerous consequences.
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