Re: Keepalive for max_standby_delay
| От | Heikki Linnakangas |
|---|---|
| Тема | Re: Keepalive for max_standby_delay |
| Дата | |
| Msg-id | 4BF305DA.4040002@enterprisedb.com обсуждение исходный текст |
| Ответ на | Re: Keepalive for max_standby_delay (Simon Riggs <simon@2ndQuadrant.com>) |
| Ответы |
Re: Keepalive for max_standby_delay
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| Список | pgsql-hackers |
On 18/05/10 17:17, Simon Riggs wrote: > There's no reason that the buffer size we use for XLogRead() should be > the same as the send buffer, if you're worried about that. My point is > that pq_putmessage contains internal flushes so at the libpq level you > gain nothing by big batches. The read() will be buffered anyway with > readahead so not sure what the issue is. We'll have to do this for sync > rep anyway, so what's the big deal? Just do it now, once. Do we really > want 9.1 code to differ here? Do what? What exactly is it that you want instead, then? -- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com
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