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Check_MK Werk 6702: Introduced various performance improvements for cmc config generation (e.g. multiprocessing)

by Andreas Boesl

ID: 6702 Title: Introduced various performance improvements for cmc config generation (e.g. multiprocessing) Component: cmc Level: 2 Class: New feature Version: 1.6.0i1 Previous versions only used one CPU core for the config generation. The time to generate the config highly depends on the number of hosts, services and especially rulesets. Lots of the underlying computation code has been changed, caches and functions were optimized. As a result Check_MK is now able to distribute the work load of the config generation over several CPUs. Per default, this feature is activated. Unless configured otherwise, it uses up to 75% of the available CPUs during the config generation, leaving some CPUs for running monitoring core. A new configuration option <tt>Generate monitoring configuration via multiprocessing</tt> has been introduced. You can either switch of multiprocessing or configure the number of used CPUs manually. Tests have shown that the performance can increased by a factor of 5-10 on a 8 CPU core setup.

5 years, 8 months

Check_MK Werk 7055: jolokia_generic: remove duplicate MBean in item

by Tom Baerwinkel

ID: 7055 Title: jolokia_generic: remove duplicate MBean in item Component: Checks & agents Level: 1 Class: Bug fix Version: 1.6.0i1 Werk 6901 introduced an additional word "MBean" in the item of jolokia_generic checks. This changed the service description to "MBean text1 MBean text2". This werk reintroduces the old service description "MBean text1 text2". If you have services that contain two times the word "MBean" a service rediscovery is necessary to obtain the old format.

5 years, 8 months

Check_MK Werk 6657: Kubernetes checks for node Network and Filesystem usage

by Óscar Nájera

ID: 6657 Title: Kubernetes checks for node Network and Filesystem usage Component: Checks & agents Level: 1 Class: New feature Version: 1.6.0i1 Kubernetes special agent obtains the node statistics of network and filesystem usage for each node. Corresponding checks are available at node or cluster level.

5 years, 8 months

Check_MK Werk 7075: Fixed possible "omd backup" error when persisted sections change during backup

by Lars Michelsen

ID: 7075 Title: Fixed possible "omd backup" error when persisted sections change during backup Component: Site Management Level: 1 Class: Bug fix Version: 1.6.0i1 When persisted sections of Check_MK in <tt>var/check_mk/persisted/*</tt> and <tt>var/check_mk/persisted_sections/*</tt> vanished during the backup, the backup job could fail in previous versions.

5 years, 8 months

Check_MK Werk 6935: Improvements in Solaris Agent packages

by Andreas Umbreit

ID: 6935 Title: Improvements in Solaris Agent packages Component: agents Level: 1 Class: Bug fix Version: 1.6.0i1 This werk introduces some improvements in the postinstall- and postuninstall-routines for Solaris agent packages that come from the agent bakery: <ul> <li>Properly remove the installed inetd service. This has been done incompletely before, which could lead to problems on reinstallation.</li> <li>simplified syntax in order to avoid errors like <code>/var/sadm/pkg/check-mk-agent/install/postinstall: !: not found</code> on some Solaris systems.</li> <li>some improvements in timing and robustness.</li> </ul>

5 years, 8 months

Check_MK Werk 6939: Improve agent updater start script compatibility on Solaris

by Andreas Umbreit

ID: 6939 Title: Improve agent updater start script compatibility on Solaris Component: agents Level: 1 Class: Bug fix Version: 1.6.0i1 The agent updater start script (located at /usr/bin/cmk-update-agent) is now compatible to older shells like the default sh on Solaris 10. Please note that you still need a python 2.7 installation and corresponding packages "requests" and "pyOpenSSL" in order to run the agent updater on Solaris. You can obtain these software packages e.g. via the "OpenCSW" project using the "pkutil" tool.

5 years, 8 months

Check_MK Werk 7054: agent_vsphere, esx_vsphere_hostsystem.multipath: use new API endpoint

by Tom Baerwinkel

ID: 7054 Title: agent_vsphere, esx_vsphere_hostsystem.multipath: use new API endpoint Component: Checks & agents Level: 1 Class: New feature Version: 1.6.0i1 For ESX versions above or equal to 6.5 the API endpoint "multipathState" does not deliver sufficient data for the subcheck esx_vsphere_hostsystem.multipath which may lead to a wrong output of the subcheck. Therefore, the subcheck now uses the "multipathInfo" API endpoint instead. For ESX versions below 6.5 which already use the ID of a LUN as an item no further actions are necessary. For new ESX version which use an item like e.g. "L0 physical" a service rediscovery is necessary. After the rediscovery new ESX versions will use the ID of a LUN as an item as well.

5 years, 8 months

Check_MK Werk 7131: win.mem: Fix incorrect representation of absolute memory levels in graphs

by Moritz Kiemer

ID: 7131 Title: win.mem: Fix incorrect representation of absolute memory levels in graphs Component: Checks & agents Level: 1 Class: Bug fix Version: 1.6.0i1 Previously, a warn or crit level of less than e.g. 20 GB free space would be displayed in the graph as a warn or crit level of more than 20 GB used space. The problem only affected the levels passed to the metrics system for representation, not the actual levels used for evaluation.

5 years, 8 months

Check_MK Werk 7008: mssql_connections: Service graph shows #connections

by Simon Betz

ID: 7008 Title: mssql_connections: Service graph shows #connections Component: Checks & agents Level: 1 Class: New feature Version: 1.6.0i1

5 years, 8 months

Check_MK Werk 6756: oracle_instance: Fixed false-positive if the output shows the creation time of instance

by Marcel Arentz

ID: 6756 Title: oracle_instance: Fixed false-positive if the output shows the creation time of instance Component: Checks & agents Level: 1 Class: Bug fix Version: 1.6.0i1 Previously the categorized as stopped or login failed or invalid data if the output showed 12 elements per instance. The last element has been the creation time of the database, which is currently not used in the created service. This problem is solved know.

5 years, 8 months

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