From 79603f2508bf06e7bf93cf40d90574b55bbf8343 Mon Sep 17 00:00:00 2001 From: Wellington Chevreuil Date: Thu, 25 Oct 2018 10:16:21 +0100 Subject: [PATCH] Adding note about copy table load --- src/main/asciidoc/_chapters/ops_mgt.adoc | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/src/main/asciidoc/_chapters/ops_mgt.adoc b/src/main/asciidoc/_chapters/ops_mgt.adoc index 0f5e8b0328..33feff9a50 100644 --- a/src/main/asciidoc/_chapters/ops_mgt.adoc +++ b/src/main/asciidoc/_chapters/ops_mgt.adoc @@ -506,6 +506,15 @@ Caching for the input Scan is configured via `hbase.client.scanner.caching` By default, CopyTable utility only copies the latest version of row cells unless `--versions=n` is explicitly specified in the command. ==== +.Data Load +[NOTE] +==== +CopyTable does not perform a diff, it copies all Cells in between the specified starttow/stoprow starttime/endtime range. +This means that already existing cells with same values will still be copied. +==== + + + See Jonathan Hsieh's link:https://blog.cloudera.com/blog/2012/06/online-hbase-backups-with-copytable-2/[Online HBase Backups with CopyTable] blog post for more on `CopyTable`. -- 2.17.1 (Apple Git-112)