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S3cmdでS3とディレクトリ同期
「CentOS6.3でs3syncが不安定な場合の対処」後もs3syncがBroken pipeを吐きまくることがあって安定しないので、s3cmdを使用してみる。
#yum --enablerepo=epel install s3cmd
#s3cmd --configure →設定ファイル ~/.s3cfg を作成する
以上で設定は完了。以下のコマンドでS3とディレクトリの同期ができる。
#s3cmd sync --delete-removed /path/to/dir/ s3://bucket/folder/
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CentOS6.3でs3syncが不安定な場合の対処
CentOS 6.3 (2.6.32-279.14.1.el6.x86_64) でs3syncを走らせたところ、"broken pipe" が大量に発生したのでその対処。
カーネルのTCPウィンドウ自動スケーリング機能が根本原因らしいので、機能を止めたらエラーが出なくなった。
#echo 0 > /proc/sys/net/ipv4/tcp_window_scaling
#echo 'net.ipv4.tcp_window_scaling = 0' >> /etc/sysctl.conf
