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Set the maximum open connections limit in PG and MySQL target configs (#10558)

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As the bulk/recursive delete will require multiple connections to open at an instance,
The default open connections limit will be reached which results in the following error

```FATAL:  sorry, too many clients already```

By setting the open connections to a reasonable value - `2`, We ensure that the max open connections
will not be exhausted and lie under bounds.

The queries are simple inserts/updates/deletes which is operational and sufficient with the
the maximum open connection limit is 2.

Fixes #10553

Allow user configuration for MaxOpenConnections
This commit is contained in:
Praveen raj Mani
2020-09-25 10:50:30 +05:30
committed by GitHub
parent 37a5d5d7a0
commit b880796aef
9 changed files with 198 additions and 104 deletions
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12
cmd/config/notify/help.go
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@@ -340,6 +340,12 @@ var (
Optional: true,
Type: "sentence",
},
config.HelpKV{
Key: target.PostgresMaxOpenConnections,
Description: "To set the maximum number of open connections to the database. The value is set to `2` by default.",
Optional: true,
Type: "number",
},
}
HelpMySQL = config.HelpKVS{
@@ -377,6 +383,12 @@ var (
Optional: true,
Type: "sentence",
},
config.HelpKV{
Key: target.MySQLMaxOpenConnections,
Description: "To set the maximum number of open connections to the database. The value is set to `2` by default.",
Optional: true,
Type: "number",
},
}
HelpNATS = config.HelpKVS{