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Shake
Source code on GitHub What is it? #Shake is a defragmenter that runs in userspace, without the need of patching the kernel and while the system is used (for now, on GNU/Linux only). There is nothing magic in that : it just works by rewriting fragmented files. But it has some heuristics that could make it more efficient than other tools, including defrag and, maybe, xfs_fsr. As an example, it allow
Can DragonFlyBSD's HAMMER Compete With Btrfs, ZFS? - Phoronix
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HDFSはファイルサーバーに使うものじゃないよ
Hadoop（0.22以前や1.0.0）のHDFSはNameNodeがSPOF（単一障害点）なので、ファイルサーバーやデータの“バックアップ”には向かないという話です。 HDFS上に構築されているHBaseの場合、（HBase自身にはSPOFは無いけれども）HDFSにSPOFがあるので、NameNodeは冗長化した方が良いようです。 冗長化には以下のような仕組みが考えられているようです。 続きを読む
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http://free.linux.hp.com/~enw/ext4/2.6.36-rc6/large_file_creates.html
Valerie Aurora
Articles about Code Red are invading the Internet - Linux.com
Gmane -- Mail To News And Back Again
Gmane -- Mail To News And Back Again
Gmane -- Mail To News And Back Again
Gmane -- Mail To News And Back Again
Gmane -- Mail To News And Back Again
Gmane -- Mail To News And Back Again
Gmane -- Mail To News And Back Again
Protected and Persistent RAM Filesystem
Gmane -- Mail To News And Back Again
Gmane -- Mail To News And Back Again
Gmane -- Mail To News And Back Again
共有メモリクラスタとかファイルシステムとか?