Re: [GENERAL] Multi-threading on PostgreSQL?
От | Bruce Momjian |
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Тема | Re: [GENERAL] Multi-threading on PostgreSQL? |
Дата | |
Msg-id | 199907151334.JAA07774@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Multi-threading on PostgreSQL? ("Tiago Hermans" <thermans@hawaii.rr.com>) |
Ответы |
RE: [GENERAL] Multi-threading on PostgreSQL?
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Список | pgsql-general |
[Charset iso-8859-1 unsupported, filtering to ASCII...] > Hi, > > I am really impressed with the features of PostgreSQL but am wondering if we > should use this product for our project. We have tried several databases > (MySQL, Sybase ASE, Sybase ASA) and we are now looking at PostgreSQL before > releasing our service on the Internet. > > My concern comes from the fact that there's no multi-threading support in > PostgreSQL and since we expect many customers to be connected at the same > time on multiple connections, I am afraid the time to perform the SQL > statements will be much longer, since they'll all be queued one after the > other. Therefore, if one query takes a long time, all the other queries have > to wait behind before being executed. > > Am I missing something or are my assumptions correct? > Also, does PostgreSQL supports international characters? We certainly process multiple queries at the same time. We are not multi-threaded in the sense we don't run multiple queries inside the same process. Each connection gets its own process. I am interested to hear why you thought we only do one query at a time. Is there some information we published or someone else published that lead you to that conclusion. -- Bruce Momjian | http://www.op.net/~candle maillist@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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