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Since few days I've got the following error message in my Server error log :

www.xxx.com [client XXX.XXX.XXX.XXX] rdbmmap (21): rdbm_fetch failed (1)

Although the site is loading right. I would like to know about this error. Can't find anything around. Does anybody know about this?

Server configuration :

Server-Info: Apache/2.2.31 (Unix)
PHP-Version: 7.1.8
WordPress: 4.8.1
MySQL-Version: 5.6.37

Thanks in advance.

ɢʀᴜɴᴛ
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Mike
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1 Answers1

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Please have a look at this: Map Reduce & RDBMS

RDBMS - stands for Remote database management system, Client- is the browser,oder crawler bot ,that send the Request. Fetch Failed- means, the system could fetch the request to the database.

Albo
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