Projects / Linux Virtual Server

Linux Virtual Server

The Linux Virtual Server Project is a project to cluster many real servers together into a highly available, high-performance virtual server. The LVS load balancer handles connections from clients and passes them on the the real servers (so-called Layer 4 switching) and can virtualize almost any TCP or UDP service, like HTTP, HTTPS, NNTP, FTP, DNS, ssh, POP3, IMAP4, SMTP, etc. It is fully transparent to the client accessing the virtual service.

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Release Notes: This version adds a sysctl variable to expire the quiescent template, fixes an endian problem on sync message size, adds a fix to hold the lock before updating a service, and fixes connection rehashing with a new cport.

Release Notes: This release fixes the endian problem with the sync message size.

Release Notes: This release removes the superfluous call of waitpid in the sync code, retries running kernel_thread when memory is temporarily exhausted, and tidies up the code.

Release Notes: This release is included in the official 2.6.0 kernel. It has many important changes such as handling nonlinear packets correctly, fixing timers, avoiding race conditions, and other bugfixes.

Release Notes: Changed to use the Jekins hash function in the IPVS connection hash against a possible hash attack. The slow timer implementation has been removed. old_iph is pointed to the right address after the skb headroom is reallocated in the IPVS tunneling transmitter. Missing stats locking while updating stats in the rate estimation timer has been added. The code has been tidied up.

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