11 lines
784 B
Markdown
11 lines
784 B
Markdown
# V8 upgrade
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Starting from SkyWalking v8, the [v3 protocol](../protocols/README.md) has been used. This makes it incompatible with previous releases.
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Users who intend to upgrade in v8 series releases could follow the steps below.
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Registers in v6 and v7 have been removed in v8 for better scaling out performance. Please upgrade following the instructions below.
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1. Use a different storage or a new namespace. You may also consider erasing the whole storage indexes or tables related to SkyWalking.
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2. Deploy the whole SkyWalking cluster, and expose it in a new network address.
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3. If you are using language agents, upgrade the new agents too; meanwhile, make sure the agents are supported in a different language.
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Then, set up the backend address to the new SkyWalking OAP cluster.
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