Mnesia is overloaded ?

Ulf Wiger etxuwig@REDACTED
Wed Jul 26 12:51:17 CEST 2000

On 25 Jul 2000, Mickael Remond wrote:

>When trying to store a lot of data in Mnesia, I get the following message:
>  ** ERROR ** Mnesia is overloaded: {dump_log,write_threshold}
>What does it mean ?
>In fact, it seems that the data are correctly stored in the database, so maybe
>an error recovery process has been triggered, but ... I don't known 

The error message is generated when a log dump has been triggered
before the previous one completed. Mnesia can handle this, but it's a
warning that a backlog is beginning to pile up.

If those error messages keep popping up, you may be working your way
into a fatal overload situation. However, if your application stops
writing to mnesia, or at least slows down, mnesia will catch up.

Ulf Wiger                                    tfn: +46  8 719 81 95
Network Architecture & Product Strategies    mob: +46 70 519 81 95
Ericsson Telecom AB,              Datacom Networks and IP Services
Varuvägen 9, Älvsjö,                    S-126 25 Stockholm, Sweden

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