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From granthe...@apache.org
Subject [1/3] kudu git commit: docs: update docs for CFile checksum handling
Date Fri, 05 Oct 2018 02:30:11 GMT
Repository: kudu
Updated Branches:
  refs/heads/master 131c5d7af -> cf1b1f42c


docs: update docs for CFile checksum handling

Notes that the behavior when encountering a CFile checksum has changed
in 1.8.0. I've kept around the manual steps, since they are still
valuable.

Change-Id: I11ecfe2739122f80894c5bbba13de853d962754a
Reviewed-on: http://gerrit.cloudera.org:8080/11581
Reviewed-by: Grant Henke <granthenke@apache.org>
Tested-by: Grant Henke <granthenke@apache.org>
Tested-by: Kudu Jenkins


Project: http://git-wip-us.apache.org/repos/asf/kudu/repo
Commit: http://git-wip-us.apache.org/repos/asf/kudu/commit/75472c82
Tree: http://git-wip-us.apache.org/repos/asf/kudu/tree/75472c82
Diff: http://git-wip-us.apache.org/repos/asf/kudu/diff/75472c82

Branch: refs/heads/master
Commit: 75472c82b1c0a2a2a91472e405b3ee4639e26575
Parents: 131c5d7
Author: Andrew Wong <awong@cloudera.com>
Authored: Thu Oct 4 12:52:47 2018 -0700
Committer: Andrew Wong <awong@cloudera.com>
Committed: Thu Oct 4 20:44:48 2018 +0000

----------------------------------------------------------------------
 docs/troubleshooting.adoc | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/kudu/blob/75472c82/docs/troubleshooting.adoc
----------------------------------------------------------------------
diff --git a/docs/troubleshooting.adoc b/docs/troubleshooting.adoc
index 0f37913..1bebe07 100644
--- a/docs/troubleshooting.adoc
+++ b/docs/troubleshooting.adoc
@@ -703,11 +703,10 @@ hold no data. They must not be deleted.
 [[cfile_corruption]]
 === Corruption: checksum error on CFile block
 
-If the data on disk becomes corrupt, users will encounter warnings containing
-"Corruption: checksum error on CFile block" in the tablet server logs and
-client side errors when trying to scan tablets with corrupt CFile blocks.
-Until link:https://issues.apache.org/jira/browse/KUDU-2469[KUDU-2469] is
-completed, fixing this corruption is a manual process.
+In versions prior to Kudu 1.8.0, if the data on disk becomes corrupt, users
+will encounter warnings containing "Corruption: checksum error on CFile block"
+in the tablet server logs and client side errors when trying to scan tablets
+with corrupt CFile blocks. Fixing this corruption is a manual process.
 
 To fix the issue, users can first identify all the affected tablets by
 running a checksum scan on the affected tables or tablets using the
@@ -739,3 +738,6 @@ with an empty one using the
 ----
 sudo -u kudu kudu tablet unsafe_replace_tablet <master_addresses> <tablet_id>
 ----
+
+From versions 1.8.0 onwards, Kudu will mark the affected replicas as failed,
+leading to their automatic re-replication elsewhere.


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