php - Random mysql connection errors and other problems after server and wordpress migration -

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i have migrated wordpress site new debian 7 x64 vps. after migration randomly receive "error establishing database connection". though have tried various methods fix problem still random errors.

additionally way access db adminer wp plugin after login wordpress , via mysql command line. adminer not let me login if use php script out of wordpress. use mysql 5.5 nginx 1.4.1 , php5-fpm unix socket.

strangely enough posts not shown after publish after migration. mysql logs empty. workaround found had manually restart mysql daemon after error in order temporarily fix until next random error.

in mysql user passwords include symbols. somehow affecting behaviour of mysql server or database connection? should try repair database? suggestions?


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