From e25c0c91d61875545f6039c7e37d4fe9d5527448 Mon Sep 17 00:00:00 2001 From: Sitsofe Wheeler Date: Fri, 23 Jun 2017 07:36:42 +0100 Subject: [PATCH] HOWTO: reword HDFS description Signed-off-by: Sitsofe Wheeler --- HOWTO | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/HOWTO b/HOWTO index c1c26914..47563aa9 100644 --- a/HOWTO +++ b/HOWTO @@ -1735,13 +1735,13 @@ I/O engine Read and write through Hadoop (HDFS). The :file:`filename` option is used to specify host,port of the hdfs name-node to connect. This engine interprets offsets a little differently. In HDFS, files once - created cannot be modified. So random writes are not possible. To - imitate this, libhdfs engine expects bunch of small files to be - created over HDFS, and engine will randomly pick a file out of those - files based on the offset generated by fio backend. (see the example + created cannot be modified so random writes are not possible. To + imitate this the libhdfs engine expects a bunch of small files to be + created over HDFS and will randomly pick a file from them + based on the offset generated by fio backend (see the example job file to create such files, use ``rw=write`` option). Please - note, you might want to set necessary environment variables to work - with hdfs/libhdfs properly. Each job uses its own connection to + note, it may be necessary to set environment variables to work + with HDFS/libhdfs properly. Each job uses its own connection to HDFS. **mtd** -- 2.25.1