升级Trendz Analytics前的准备
停止Trendz Analytics 检查Trendz与数据库服务是否已停止。
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sudo systemctl stop trendz
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sudo systemctl status trendz
备份数据库
升级前请备份数据库。
检查PostgreSQL状态。备份时无需停止PostgreSQL。
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sudo systemctl status postgresql
请确保有足够空间存放数据库备份
检查数据库大小
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sudo -u postgres psql -c "SELECT pg_size_pretty( pg_database_size('trendz') );"
检查可用空间
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df -h /
若有足够可用空间，请执行备份。
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sudo -Hiu postgres pg_dump trendz > trendz.sql.bak
确认备份文件已生成。
Upgrading Trendz Analytics to 1.14.0
NOTE:
After upgrading it is required to update Trendz widget bundle in ThingsBoard. You can find detailed instructions how to do that via Trendz UI in Trendz Widget Bundle upgrade article.
Prepare for upgrading Trendz Analytics.
Important note before upgrading to Trendz 1.14.0
From version 1.14.0, python calculation fields and prediction models could be utilized only using Trendz Python Executor service which can be used only inside the docker.
If you are already using Trendz Python Executor via Docker, it’s necessary to update it to version 1.14.0 before Trendz update. You can find detailed instructions on how to do that here.
If you were not using Python Executor before, you need to install it via Docker. You can find detailed instructions on how to do that here.
Trendz Analytics package download
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wget https://dist.thingsboard.io/trendz-1.14.0.rpm
Trendz Analytics service upgrade
- Install Trendz Analytics service
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sudo rpm -Uvh trendz-1.14.0.rpm
NOTE: Package installer will ask you to merge your Trendz configuration. It is preferred to use merge option to make sure that all your previous parameters will not be overwritten.
Execute regular upgrade script:
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sudo /usr/share/trendz/bin/install/upgrade.sh --fromVersion=1.13.2
Start the service
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sudo service trendz start