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Add caution for date_time_zonespec csv #1070

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Jan 28, 2022
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Add caution for date_time_zonespec csv #1070

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4 changes: 4 additions & 0 deletions ...yment-and-installation/3.upgrade-nebula-graph/upgrade-nebula-graph-to-latest.md
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Expand Up @@ -11,6 +11,10 @@ To upgrade Nebula Graph from historical versions to {{nebula.release}}:
1. Upgrade it to the latest 2.x version according to the docs of that version.
2. Follow this topic to upgrade it to {{nebula.release}}.

!!! caution

To upgrade Nebula Graph from versions earlier than 2.0.0 (including the 1.x versions) to {{nebula.release}}, you need to find the `date_time_zonespec.csv` in the `share/resources` directory of {{nebula.release}} files, and then copy it to the same directory in the Nebula Graph installation path.

## Limitations

* Rolling Upgrade is not supported. You must stop all the Nebula Graph services before the upgrade.
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