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Table of Contents

Upgrading From an Older Release

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Restarting Datameer is required to apply these changes.

Backup Keyfiles and Keystore

If you have set up password encryption and/or enabled TLS  with custom certificates , backup your Keystore and Keyczar keyfiles.

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No Format
#Detect databases
detect old database [/Users/marko/Desktop/Datameer-2.0.1-0.20.2/das-data/database/hsql-db]
detect new database [/Users/marko/Development/Java/datameer/dap/build/dist/Datameer-2.0.2-0.20.2/das-data/database/hsql-db]

Upgrade datameer database version [2.0.0.6] to version [2.0.2.0]

#Assert datameer is running
No

#Copy Das Data
copy das-data from [/Users/marko/Desktop/Datameer-2.0.1-0.20.2/das-data] to [/Users/marko/Development/Java/datameer/dap/build/dist/Datameer-2.0.2-0.20.2/das-data]

#Upgrade starts...
Process upgrade scripts on database jdbc:hsqldb:file:das-data/database/hsql-db
	upgrade-2.0.1.hsql

#Update schema-version
set system.schemaVersion on database [/Users/marko/Development/Java/datameer/dap/build/dist/Datameer-2.0.2-0.20.2/das-data/database/hsql-db] to [2.0.1]


#Update data uri's [/Users/marko/Desktop/Datameer-2.0.1-0.20.2/das-data] -> [/Users/marko/Development/Java/datameer/dap/build/dist/Datameer-2.0.2-0.20.2/das-data]

log4j:WARN No appenders could be found for logger (org.hibernate.type.BasicTypeRegistry).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
Converting 12 data entries
file:/Users/marko/Desktop/Datameer-2.0.1-0.20.2/das-data/fileuploads/1/1 -> file:/Users/marko/Development/Java/datameer/dap/build/dist/Datameer-2.0.2-0.20.2/das-data/fileuploads/1/1
file:/Users/marko/Desktop/Datameer-2.0.1-0.20.2/das-data/fileuploads/2/2 -> file:/Users/marko/Development/Java/datameer/dap/build/dist/Datameer-2.0.2-0.20.2/das-data/fileuploads/2/2
file:/Users/marko/Desktop/Datameer-2.0.1-0.20.2/das-data/fileuploads/3/3 -> file:/Users/marko/Development/Java/datameer/dap/build/dist/Datameer-2.0.2-0.20.2/das-data/fileuploads/3/3
file:/Users/marko/Desktop/Datameer-2.0.1-0.20.2/das-data/fileuploads/4/4 -> file:/Users/marko/Development/Java/datameer/dap/build/dist/Datameer-2.0.2-0.20.2/das-data/fileuploads/4/4
file:/Users/marko/Desktop/Datameer-2.0.1-0.20.2/das-data/fileuploads/5/5 -> file:/Users/marko/Development/Java/datameer/dap/build/dist/Datameer-2.0.2-0.20.2/das-data/fileuploads/5/5
file:/Users/marko/Desktop/Datameer-2.0.1-0.20.2/das-data/workbooks/6/6 -> file:/Users/marko/Development/Java/datameer/dap/build/dist/Datameer-2.0.2-0.20.2/das-data/workbooks/6/6
file:/Users/marko/Desktop/Datameer-2.0.1-0.20.2/das-data/workbooks/7/7 -> file:/Users/marko/Development/Java/datameer/dap/build/dist/Datameer-2.0.2-0.20.2/das-data/workbooks/7/7
file:/Users/marko/Desktop/Datameer-2.0.1-0.20.2/das-data/workbooks/8/8 -> file:/Users/marko/Development/Java/datameer/dap/build/dist/Datameer-2.0.2-0.20.2/das-data/workbooks/8/8
file:/Users/marko/Desktop/Datameer-2.0.1-0.20.2/das-data/workbooks/9/9 -> file:/Users/marko/Development/Java/datameer/dap/build/dist/Datameer-2.0.2-0.20.2/das-data/workbooks/9/9
file:/Users/marko/Desktop/Datameer-2.0.1-0.20.2/das-data/fileuploads/10/10 -> file:/Users/marko/Development/Java/datameer/dap/build/dist/Datameer-2.0.2-0.20.2/das-data/fileuploads/10/10
file:/Users/marko/Desktop/Datameer-2.0.1-0.20.2/das-data/workbooks/11/11 -> file:/Users/marko/Development/Java/datameer/dap/build/dist/Datameer-2.0.2-0.20.2/das-data/workbooks/11/11
file:/Users/marko/Desktop/Datameer-2.0.1-0.20.2/das-data/fileuploads/10/12 -> file:/Users/marko/Development/Java/datameer/dap/build/dist/Datameer-2.0.2-0.20.2/das-data/fileuploads/10/12

Check or Update YARN Path Settings

 Check or update YARN application classpath and LD_LIBRARY path.  The  path settings are used to lookup and load libraries , therefor  incorrect path settings may lead into unexpected behavior .

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Anchor
rollback
rollback
How to Roll Back to a Previous Database Version

When upgrading, a database dump is created by Datameer, the file name is similar to mysql_db_dump_<oldVer>.sql. If an upgrade failed (failing upgrade scripts / failing upgrade injectors during startup), the database paths might be conflicting, it is therefore necessary to restore the Datameer MySQL database dump. Follow the steps to complete this task.

  1. Drop the new database, for example on the database server or the MySQL CLI.

    No Format
    DROP DATABASE dap;

     

  2. Using the mysql-init.sql script, create a new database.

    No Format
    mysql [-h <dbhost>] -u root -p < bin/mysql-init.sql

     

  3. Import and restore the previous database using the following shell command.

    No Format
    mysql [-h <dbhost>] -u root -p dap < /path/to/dump_file_name

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