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After XtraBackup full-backup the sys_exec UDF fails

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  • After XtraBackup full-backup the sys_exec UDF fails

    After a full backup with the innobackupex script with the options --compress --compress-threads=4 --parallel=4

    using xtrabackup 2.1.4 64 x86_64 on a MariaDb 5.5.32

    The sys_exec() UDF always returns -1 and does not execute the command between the brackets (https://github.com/mysqludf/lib_mysqludf_udf#readme)

    The function is still registered

    recreating the function with drop/create shows no errors but doesn't help

    The logs show nothing, restarting the db does fix the problem

    Does anyone know how to fix this?



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