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All log files can be found in the /var/log directory. The following table shows the relevant log files and their usage.
| Log File | Service | OS | Additional Notes |
|---|---|---|---|
/var/log/squirro/squirro-*.log | Squirro services | All | Detailed log file about each service. Symlink to /var/log/squirro/SERVICE_NAME/SERVICE_NAME.log. |
/var/log/squirro/nginx-*-access.log | Nginx (Squirro services) | All | Every request to the web services is recorded in this log file in a line-by-line format. Symlink to /var/log/squirro/SERVICE_NAME/nginx-access.log. |
/var/log/squirro/nginx-*-error.log | Nginx (Squirro services) | All | Records errors on the HTTP level. When a service is stopped, errors may show up here indicating that the service is not reachable. Symlink to /var/log/squirro/SERVICE_NAME/nginx-error.log. |
/var/log/messages | - | All | General system log. Serious system failures will be recorded here. |
/var/log/elasticsearch/squirro.log | Elasticsearch | All | Records cluster information and major failures. |
/var/log/redis/ |
*.log | Redis |
| All | |
/var/log/mysqld.log | MySQL |
| RHEL/CentOS 6 | |||
/var/log/mariadb/mariadb.log | MariaDB | RHEL/CentOS 7 | |
/var/log/cron | Cron |
/var/log/monit/monit.log | Monit | RHEL/CentOS 6 | Records service state changes and actions. |
Monit
Squirro comes pre-installed with Monit, a service that is used to automatically restart services that have failed.
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