Notes about PostgreSQL WAL synchronizations methods
Archive for the 'filesystem' Category
BTRFS is a new ZFS-like linux file system, it is present in the recent kernels with “experimental” status.
fully-distributed network file system (fully = no separate meta-data servers ). Supports data redundancy (data can be stripped/mirrored across several nodes), supposed to be high performance. supports encryption and can be embedded in app server (i….
a paper from microsoft research comparing perfomance of 2 systems: metadata in db + files in fs vs. meatadata + files as blobs in db. Study uses MSSQL and NTFS. Datasets are in less than 1 GB size.