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Commit76f7a3b

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Added warning about convergence
1 parentec49fa4 commit76f7a3b

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‎README.md‎

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@@ -27,7 +27,7 @@ make && make install # install aqo
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make check # check whether it works correctly (optional)
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```
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For PostgreSQL 10 and above useaqo_pg10rc1.patch instead of aqo_pg9_6.patch
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For PostgreSQL 10 and above useaqo_pg10.patch instead of aqo_pg9_6.patch
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In your database:
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@@ -92,6 +92,7 @@ RESET aqo.mode;
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-- and the plan is bad
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COMMIT;
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```
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**_Warning:_** execute query until plan stops changing!
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When the plan stops changing, you can often observe performance improvement:
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```
@@ -241,6 +242,10 @@ pattern is follows
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SET aqo.mode='learn'
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<query>
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SET aqo.mode='controlled';
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<query>
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<query>
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...
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-- unitl convergence
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```
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`'learn'` mode is not recommended to be used permanently for the whole cluster,
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##License
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©[Postgres Professional](https://postgrespro.com/), 2016-2017. Licensed under
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©[Postgres Professional](https://postgrespro.com/), 2016-2018. Licensed under
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[The PostgreSQL License](LICENSE).
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##Reference
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