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https://issues.apache.org/jira/browse/UIMA-5122?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15536141#comment-15536141
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Lou DeGenaro commented on UIMA-5122:
------------------------------------
revised:
bash-4.1$ ./db_tool --help
Usage: db_tool [options]
Options:
-h, --help show this help message and exit
--save=PATH.tar.gz create snapshot of database and save to
specified tar.gz file; requires database to
be up
--save-overwrite=PATH.tar.gz create snapshot of database and save to
specified tar.gz file, overwriting previous
file if one exists; requires database to be
up
--restore=PATH.tar.gz extract snapshot from specified tar.gz file
and restore database; requires database to
be down
--restore-overwrite=PATH.tar.gz extract snapshot from specified tar.gz file
and restore database, overwriting previous
database if one exists; requires database
to be down
--quiet print no informational messages
--verbose print extra debug messages
> DUCC Database (db) admin tool for save & restore
> ------------------------------------------------
>
> Key: UIMA-5122
> URL: https://issues.apache.org/jira/browse/UIMA-5122
> Project: UIMA
> Issue Type: Improvement
> Components: DUCC
> Reporter: Lou DeGenaro
> Assignee: Lou DeGenaro
> Fix For: 2.2.0-Ducc
>
>
> DUCC employs the Cassandra database, which in turn provides the nodetool
> command to create snapshots of the database. There is also a web site
> https://docs.datastax.com/en/cassandra/2.1/cassandra/operations/ops_backup_noderestart_t.html
> that comprises a labor intensive recipe for database restoration from
> snapshots.
> Provide a DUCC tool to aid in the creation of database snapshots and
> restoration therefrom.
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