diff --git a/src/main/asciidoc/_chapters/architecture.adoc b/src/main/asciidoc/_chapters/architecture.adoc index d330d850ed32..886ac08b9227 100644 --- a/src/main/asciidoc/_chapters/architecture.adoc +++ b/src/main/asciidoc/_chapters/architecture.adoc @@ -2495,19 +2495,19 @@ NOTE: `DefaultSourceFSConfigurationProvider` supports only `xml` type files. It === Custom WAL Directory HBASE-17437 added support for specifying a WAL directory outside the HBase root directory or even in a different FileSystem since 1.3.3/2.0+. Some FileSystems (such as Amazon S3) don’t support append or consistent writes, in such scenario WAL directory needs to be configured in a different FileSystem to avoid loss of writes. -Following configurations were added to accomplish this: +Following configurations are added to accomplish this: + . `hbase.wal.dir` + This defines where the root WAL directory is located, could be on a different FileSystem than the root directory. WAL directory can not be set to a subdirectory of the root directory. The default value of this is the root directory if unset. -+ + . `hbase.rootdir.perms` + Configures FileSystem permissions to set on the root directory. This is '700' by default. -+ + . `hbase.wal.dir.perms` + Configures FileSystem permissions to set on the WAL directory FileSystem. This is '700' by default. -+ NOTE: While migrating to custom WAL dir (outside the HBase root directory or a different FileSystem) existing WAL files must be copied manually to new WAL dir, otherwise it may lead to data loss/inconsistency as HMaster has no information about previous WAL directory.