Re: pg_largeobject

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От Sridhar N Bamandlapally
Тема Re: pg_largeobject
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Msg-id CAGuFTBWe6n1ddcZ=CxBXtdQbHfyb0XHjjXgkkgupxNXrk3LzkA@mail.gmail.com
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Ответ на Re: pg_largeobject  (Alvaro Aguayo Garcia-Rada <aaguayo@opensysperu.com>)
Ответы Re: pg_largeobject  (Alvaro Aguayo Garcia-Rada <aaguayo@opensysperu.com>)
Re: pg_largeobject  (Jerome Wagner <jerome.wagner@laposte.net>)
Список pgsql-general
We are doing application/database migration compatible with postgresql on cloud, DR/replication also in plan

at present I feel need of configurable multi-table storage instead of pg_largeobject only

Thanks
Sridhar


On Tue, Mar 29, 2016 at 6:08 PM, Alvaro Aguayo Garcia-Rada <aaguayo@opensysperu.com> wrote:

Some time ago I had to setup a replicated file system between multiple linux servers. I tried everything I could based on postgres, including large objects, but everything was significantly slower than a regular filesystem.

My conclussion: postgres is not suitable for storing large files efficiently.

Do you need that for replication, or just for file storage?

Alvaro Aguayo
Jefe de Operaciones
Open Comb Systems E.I.R.L.

Oficina: (+51-1) 3377813 | RPM: #034252 / (+51) 995540103  | RPC: (+51) 954183248
Website: www.ocs.pe

Sent from my Sony Xperia™ smartphone

---- Sridhar N Bamandlapally wrote ----


all media files are stored in database with size varies from 1MB - 5GB

based on media file types and user-group we storing in different tables, but PostgreSQL store OID/Large-object in single table (pg_largeobject), 90% of database size is with table pg_largeobject

due to size limitation BYTEA was not considered

Thanks
Sridhar



On Tue, Mar 29, 2016 at 3:05 PM, John R Pierce <pierce@hogranch.com> wrote:
On 3/29/2016 2:13 AM, Sridhar N Bamandlapally wrote:
Hi

pg_largeobject is creating performance issues as it grow due to single point storage(for all tables)

is there any alternate apart from bytea ?

like configuration large-object-table at table-column level and oid PK(primary key) stored at pg_largeobject


I would as soon use a NFS file store for larger files like images, audio, videos, or whatever.   use SQL for the relational metadata.

just sayin'....



--
john r pierce, recycling bits in santa cruz



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