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new 1025c97 Update doc: v9-version-upgrade (#8388)
1025c97 is described below
commit 1025c974fcf7d88e9b5a4e0b2707b5d99ccccc94
Author: wankai123 <[email protected]>
AuthorDate: Tue Jan 4 21:59:17 2022 +0800
Update doc: v9-version-upgrade (#8388)
---
CHANGES.md | 2 +-
docs/en/FAQ/v9-version-upgrade.md | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/CHANGES.md b/CHANGES.md
index f6e82fe..78dd266 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -22,7 +22,7 @@ Release Notes.
name doesn't exist in TCP traffic.
* Upgrade H2 version to 2.0.202 to fix CVE-2021-23463.
* Extend column name override mechanism working for `ValueColumnMetadata`.
-* Introduce new concept `Layer` and removed `NodeType`. More details refer to
[v9-version-upgrade](docs/en/FAQ/v9-version-upgrade.md)
+* Introduce new concept `Layer` and removed `NodeType`. More details refer to
[v9-version-upgrade](https://skywalking.apache.org/docs/main/latest/en/faq/v9-version-upgrade/).
#### UI
diff --git a/docs/en/FAQ/v9-version-upgrade.md
b/docs/en/FAQ/v9-version-upgrade.md
index ade769d..c97e6bc 100644
--- a/docs/en/FAQ/v9-version-upgrade.md
+++ b/docs/en/FAQ/v9-version-upgrade.md
@@ -12,7 +12,7 @@ The compatibility with previous releases is as below.
3. LAL: [Extractor](../../../docs/en/concepts-and-designs/lal.md) add function
`layer`. If don't set it manual, the default layer is `GENERAL` and the logs
from `ALS` the
default layer is `mesh`.
4. Storage：add `service_id`， `short_name` and `layer` columns to table
`ServiceTraffic`， add `layer` column to table `InstanceTraffic`.
- These data would be incompatible with previous in some storage, including
H2/OpenSearch/MySQL/TiDB/InfluxDB/PostgreSQL.
+ These data would be incompatible with previous in some storage, including
H2/MySQL/TiDB/InfluxDB/PostgreSQL/IoTDB.
Make sure to remove the older `ServiceTraffic` and `InstanceTraffic` tables
before OAP(v9) starts.
OAP would generate the new table in the start procedure, and recreate all
existing services and instances when traffic comes.
5. All other metrics are compatible with the previous data format, so you
wouldn't lose metrics.
