Archive for the 'filesystem' Category

Tuning PostgreSQL WAL Synchronization

Tuesday, February 9th, 2010

Notes about PostgreSQL WAL synchronizations methods

Posted in database, dba, disk, filesystem, performance, postgres, postgresql, tuning, wal | Comments Off | permalink

btrfs Wiki

Saturday, December 19th, 2009

BTRFS is a new ZFS-like linux file system, it is present in the recent kernels with “experimental” status.

Posted in btrfs, development, filesystem, for:collidr, fs, kernel, Linux, storage, sysadmin | Comments Off | permalink

GlusterFS – GlusterDocumentation

Monday, February 23rd, 2009

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….

Posted in cluster, distributed, filesystem, for:collidr, fs, Linux, opensource, scalability, storage, sysadmin | Comments Off | permalink

To BLOB or Not To BLOB: Large Object Storage in a Database or a Filesystem?

Tuesday, August 5th, 2008

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.

Posted in blob, database, design, development, filesystem, filesystems, fragmentaion, fragmentation, infomation, mssql, ntfs, research, shortcut:database, sql, storage, system | Comments Off | permalink