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  2. JGroups - Wikipedia

    en.wikipedia.org/wiki/JGroups

    The channel is the endpoint for joining a cluster. Next, the receiver is set, which means that two callbacks will be invoked: viewAccepted (View view) when a new member joins, or an existing member leaves the cluster; receive (Message msg) when a message from some other cluster member is received; Then, the channel joins cluster "ChatCluster".

  3. Consistent hashing - Wikipedia

    en.wikipedia.org/wiki/Consistent_hashing

    Importantly, when a server is added or removed, the vast majority of the BLOBs maintain their prior server assignments, and the addition of server only causes / fraction of the BLOBs to relocate. Although the process of moving BLOBs across cache servers in the cluster depends on the context, commonly, the newly added cache server identifies its ...

  4. High-availability cluster - Wikipedia

    en.wikipedia.org/wiki/High-availability_cluster

    A key difference between this approach and running cluster-aware applications is that the latter can deal with server application crashes and support live "rolling" software upgrades while maintaining client access to the service (e.g. database), by having one instance provide service while another is being upgraded or repaired.

  5. Unraid - Wikipedia

    en.wikipedia.org/wiki/Unraid

    Unraid utilizes Docker to allow users to create and manage Docker containers to host applications on the system. In doing so, this allows Unraid users to host applications that may not support the Unraid operating system directly, could be difficult to install & remove, or may not behave correctly with other applications running on the same system.

  6. Help:Cite errors/Cite error references missing key - Wikipedia

    en.wikipedia.org/wiki/Help:Cite_errors/Cite...

    If you have read this help page and find something missing or confusing, please discuss it at the main talk page. Please reference this page and the page where you have the problem so we can understand your issues.

  7. Database index - Wikipedia

    en.wikipedia.org/wiki/Database_index

    This may improve the joins of these tables on the cluster key, since the matching records are stored together and less I/O is required to locate them. [2] The cluster configuration defines the data layout in the tables that are parts of the cluster. A cluster can be keyed with a B-tree index or a hash table. The data block where the table ...

  8. Primary clustering - Wikipedia

    en.wikipedia.org/wiki/Primary_clustering

    In computer programming, primary clustering is a phenomenon that causes performance degradation in linear-probing hash tables.The phenomenon states that, as elements are added to a linear probing hash table, they have a tendency to cluster together into long runs (i.e., long contiguous regions of the hash table that contain no free slots).

  9. Comparison of cluster software - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_cluster_software

    Any cluster Posix FS (gfs, gpfs, ocfs, etc.) Any cluster Posix FS (gfs, gpfs, ocfs, etc.) Heterogeneous OS Nice level OS Nice level SOA Queues, FIFO Yes OS Limits OS Limits Yes Yes No No HTCondor: C++: GSI, SSL, Kerberos, Password, File System, Remote File System, Windows, Claim To Be, Anonymous None, Triple DES, BLOWFISH None, MD5 None, NFS, AFS