On 13 February 2012 21:05, majid <[email protected]> wrote: > When editing a robot, is confronted with the following message, what is > the problem? > > Pausing 300 seconds due to database server lag > There is no problem. The bot is pausing for 300 seconds because of database server lag.
Wikipedia (for instance) uses multiple database servers: one is the 'main' server, the others are 'slaves'. The 'main' server is the one that receives writes (e.g. page edits), the 'slaves' get this information from the main server. When there are a lot of edits, there can be some lag between these, which is called 'database server lag'. To prevent this lag from building up, the site signals bots to slow down. This is what you are seeing. Best, Merlijn
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