diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt index b3357b7bba8..f7da0352ea7 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt +++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt @@ -44,6 +44,9 @@ Release 2.7.2 - UNRELEASED HDFS-9033. dfsadmin -metasave prints "NaN" for cache used%. (Brahma Reddy Battula via aajisaka) + HDFS-9042. Update document for the Storage policy name + (J.Andreina via vinayakumarb) + Release 2.7.1 - 2015-07-06 INCOMPATIBLE CHANGES diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/ArchivalStorage.md b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/ArchivalStorage.md index d924f80e8d5..8eb89bfd854 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/ArchivalStorage.md +++ b/hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/ArchivalStorage.md @@ -73,14 +73,14 @@ The following is a typical storage policy table. | **Policy** **ID** | **Policy** **Name** | **Block Placement** **(n  replicas)** | **Fallback storages** **for creation** | **Fallback storages** **for replication** | |:---- |:---- |:---- |:---- |:---- | -| 15 | Lasy\_Persist | RAM\_DISK: 1, DISK: *n*-1 | DISK | DISK | +| 15 | Lazy\_Persist | RAM\_DISK: 1, DISK: *n*-1 | DISK | DISK | | 12 | All\_SSD | SSD: *n* | DISK | DISK | | 10 | One\_SSD | SSD: 1, DISK: *n*-1 | SSD, DISK | SSD, DISK | | 7 | Hot (default) | DISK: *n* | \ | ARCHIVE | | 5 | Warm | DISK: 1, ARCHIVE: *n*-1 | ARCHIVE, DISK | ARCHIVE, DISK | | 2 | Cold | ARCHIVE: *n* | \ | \ | -Note that the Lasy\_Persist policy is useful only for single replica blocks. For blocks with more than one replicas, all the replicas will be written to DISK since writing only one of the replicas to RAM\_DISK does not improve the overall performance. +Note that the Lazy\_Persist policy is useful only for single replica blocks. For blocks with more than one replicas, all the replicas will be written to DISK since writing only one of the replicas to RAM\_DISK does not improve the overall performance. ### Storage Policy Resolution