research Question

upgrade the PostgreSQL bundled with Alfresco community 5.0 ourselves to latest PostgreSQL

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marrowyung asked on
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We are using alfresco community 5.0 and the PostgreSQL DB using(bundled with Alfresco standalone installation) is

PostgreSQL 9.3.6, compiled by Visual C++ build 1600, 64-bit.

We are suspecting that the PostgreSQL is slow and this version is so old, can we just upgrade this DB to latest PostgreSQL , which is PostgreSQL 13.4.1 ?  

Should have no data lost after that ?

if the upgrade answer is a no, what version of PostgreSQL 64 bites we can upgrade the DB to ?

and if we upgrade in this manner, will it case any problem when we upgrade our existing Alfresco community 5 to:
1) Alfresco community 5.2
2) Alfresco community 7.0
3) Alfresco enterprise ?

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