mnesia

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how to backup/restore only single table from/to mnesia?

I have some big tables with disc_only_copies type. Now I need change short node nam开发者_开发知识库e to long but cannot do it with RAM limitation...[详细]

2023-01-15 21:57 分类：问答
erlang mnesia - illegal record info

I am trying to have a function that ensures the table I need is already created and if not to create it. Here\'s the sample:[详细]

2023-01-15 21:02 分类：问答
Remove not_exist_already node from mnesia cluster(scheme)

I have a bad node (it doesn\'t exist) in the mnesia cluster data when I get: > mnesia:system_info(db_nodes)[详细]

2023-01-15 18:58 分类：问答
What is the significance of a Mnesia Master Node in a cluster

I am running two erlang nodes with a replicated mnesia database. Whenever I tried to start one of them while mnes开发者_开发百科ia IS NOT Running on the other one, mnesia:wait_for_tables(?TABS,?TIMEOU[详细]

2023-01-12 23:13 分类：问答
Stopping of Erlang app hangs when mnesia stopped from within the program

I\'ve run into a problem w开发者_如何学运维here I cannot stop mnesia within my program without causing the app to hang.[详细]

2023-01-11 23:29 分类：问答
ejabberd: inspect Mnesia tables?

I\'m digging into ejabberd but I can\'t find a way to inspect its Mnesia tables. Is there something like the开发者_Go百科 MySQL shell to inspect tables?You may use the Table Visualizer, in module tv.[详细]

2023-01-08 20:49 分类：问答
Erlang - Standard location of mnesia database

Is there a standard place to put the mnesia database within erlang? At the moment I 开发者_如何学JAVAam putting it in the priv directory.By default, Mnesia will create the schema in a subdirectory cal[详细]

2023-01-05 10:07 分类：问答
How to handle mnesia schemas the standard way?

Suppose i have an application A which depends on mnesia with disk-enabled schema being present. What i\'d like to do is ensure that mnesia is running and allowing disc_copiestables[详细]

2023-01-04 20:17 分类：问答
Accessing a Mnesia node from another Erlang shell while it is running

What is the best practice to accessing a single running mnesia node from another Erlang shell to only view data in the tables?[详细]

2023-01-04 16:01 分类：问答
Querying mnesia Fragmentated Tables using QLC returns wrong results

am josh in Uganda. i created a mnesia fragmented table (64 fragments), and managed to populate it upto 9948723 records. Each fragment was a disc_copies type, with two replicas.[详细]

2023-01-02 23:02 分类：问答