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| <h1 id = "Version_Migration_Guide">Version Migration Guide</h1> |
| |
| <h2 id = "Overview">Overview</h2> |
| |
| <p>This guide helps you migrate to a new Apollo version and perserve |
| the message data stored in the previous version of the Apollo broker. |
| This guide assumes you are only using a single virtual host in your |
| configuration.</p> |
| |
| <h2 id = "Standard_Migration_Steps">Standard Migration Steps</h2> |
| |
| <p>You should first check to see if a “data export/import” is required |
| by consulting the <a href="#Migration_Notes">Migration Notes</a> section |
| at the end of this docuemnt.</p> |
| |
| <ol> |
| <li><p>Stop your broker instance.</p></li> |
| <li><p>If a data export/import is required then export your |
| broker instance data to an archive file by running:</p> |
| |
| <pre><code>${broker-path}/bin/apollo-broker store-export /tmp/broker-export.tgz</code></pre> |
| |
| <p>Then move your old data directory out of the way by running:</p> |
| |
| <pre><code> mv ${broker-path}/data /tmp/broker-data</code></pre></li> |
| <li><p>Install your new apollo version. Since Apollo packages include the version |
| in thier insallation directroy you should be able to unpack it to same |
| directory your previous vesion was unpack into.</p></li> |
| <li><p>Switch yout broker instance to use the new Apollo version by editing |
| the <code>${broker-path}/bin/apollo-broker</code> script and changing the line |
| that sets the <code>APOLLO_HOME=</code> variable. Set it to the location of |
| where the new version is installed.</p></li> |
| <li><p>If a data export/import is required then import your |
| broker instance data from the archive by running:</p> |
| |
| <pre><code>${broker-path}/bin/apollo-broker store-import /tmp/broker-export.tgz</code></pre></li> |
| <li><p>Start your broker.</p></li> |
| </ol> |
| |
| <h2 id = "Migration_Notes">Migration Notes</h2> |
| |
| <ul> |
| <li><strong>1.0 → 1.1</strong> : A data export/import is required if your using a LevelDB store.</li> |
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