caching

If your network is heavily loaded you may see some problem with Common Internet File System (CIFS) and NFS under Linux. By default Linux CIFS mount command will try to cache files open by the client. You can use mount option forcedirectio when mounting the CIFS filesystem to disable caching on the CIFS client. This is tested with NETAPP and other storage devices and Novell, CentOS, UNIX and Red Hat Linux systems. This is the only way to avoid data mis-compare and problems.

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An updated caching-nameserver package that fixes a bug is now available for RHEL AS 4.x / CentOS 4.x Linux server.

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MySQL Proxy is a simple and new program that sits between your client and MySQL server(s) that can monitor, analyze or transform their communication. Its flexibility allows for a wide variety of use cases, including: a) Load balancing b) Failover c) Query analysis d) Query filtering and modification e) and many more… MySQL Proxy tutorial […]

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