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| h5. Prerequisites |
| You need to be running GroundWork Monitor Core or Enterprise, version 7.2.1. This technical bulletin does not depend upon prior technical bulletins. |
| * You need to be running GroundWork Monitor Core or Enterprise, version 7.2.1 * This technical bulletin does not depend upon prior technical bulletins * There is no need to schedule a downtime to apply this technical bulletin |
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| There is no need to schedule a downtime to apply this technical bulletin. |
| h5. Installation Steps |
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| cd TB7.2.1-05-notification-logs {noformat} |
| # Run the installer script.: |
| {noformat} ./TB7.2.1-05_install.sh |
... |
| The install script will test that you are on a 7.2.1 system (which is required), that you have not already installed this patch, and that you want to go ahead. # Respond to the install-confirmation prompt when it appears. |
| # New files will be copied into place. A new cronjob will be added, to impose retention control on NoMa log data. Monitoring in general can continue while this patch is installed. |
| h5. Usage |
| The retention will be adjusted at 12:50 am daily. If there are a lot of old notification records when you install this patch, the first run will take a minute or two, and there will be some inefficiency in the {{noma}} database even after the retention script runs. |
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| You can optionally run the retention script by hand immediately if you want to get the performance benefit right away. You can also do a vacuum operation on the database to regain lost disk space and make things more efficient. |
| First consider adjusting the default setting in:{noformat}/usr/local/groundwork/config/noma_retention.conf {noformat} /usr/local/groundwork/config/noma_retention.conf {noformat} from 90 days to what you want to have the retention be. Just edit the file and adjust the number as necessary. |
| To run the script by hand, log in and become the {{nagios}} user, then type: |
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| /usr/local/groundwork/tools/noma_retention --logs {noformat} |
| To run a vacuum operation afterwards, also as the {{nagios}} user, type: |
| {noformat} /usr/local/groundwork/postgresql/bin/psql -U noma -d noma -c 'vacuum (full, analyze) notification_logs' {noformat} |
| The disk space will then be freed, and the table optimized. |
| h5. Uninstalling |
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| Reversal of this patch will remove the new files, and remove the new cron job. Monitoring in general can continue while this happens. |
| # As the {{root}} user, navigate to the patch-unpack directory you created when installing the patch. (If patch, (if that directory no longer exists, first unpack the patch again.) again). |
| {noformat} cd TB7.2.1-05-notification-logs |
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