Sean Busbey created HBASE-20279:
-----------------------------------
Summary: [tooling] check for incompatible environment for HBase
2.0 upgrade
Key: HBASE-20279
URL: https://issues.apache.org/jira/browse/HBASE-20279
Project: HBase
Issue Type: Sub-task
Components: documentation, tooling
Affects Versions: 2.0.0
Reporter: Sean Busbey
from [~stack] on HBASE-19158:
{quote}
bq. Server failure. HBase can still read HFiles written in the older version 2
format.
Need a script that user can run pre-upgrade.
{quote}
Additional commentary from [~busbey]
In addition to the config check stack mentions, such a tool could check
* other problematic configs, like those for master-hosts-regions
* inconsistent configs due to changed defaults (I think we should have some
smell-tests around the change in default for hbase.security.authorization)
* (optionally) check for unreadable WALs
* (optionally) check for unreadable hfiles
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