Checkmk werks level1 January 2017

checkmk-werks-lvl1@lists.checkmk.com

12 participants
366 discussions

Check_MK Werk 8341: Closing SNMP socket file handles during bulk actions

by Lars Michelsen

ID: 8341 Title: Closing SNMP socket file handles during bulk actions Component: Inline-SNMP Level: 1 Class: Bug Fix Version: 1.2.7i4 e.g. when doing "cmk -II" for a larger number of hosts, it could happen that the process runs out of file descriptors when having a lot of SNMP devices. This was caused by the fact that all SNMP sessions were kept open during this bulk actions. The sessions are closed now after each host during most common bulk actions (inventory, discovery, snmpwalk).

7 years, 7 months

Check_MK Werk 8343: Fixed exception in localized GUIs when zooming graphs to month/year scale

by Lars Michelsen

ID: 8343 Title: Fixed exception in localized GUIs when zooming graphs to month/year scale Component: Metrics System Level: 1 Class: Bug Fix Version: 1.2.7i4

7 years, 7 months

Check_MK Werk 8352: Fix missing service level macro in Check_MK Micro Core

by Mathias Kettner

ID: 8352 Title: Fix missing service level macro in Check_MK Micro Core Component: The Check_MK Micro Core Level: 2 Class: Bug Fix Version: 1.2.7i4 This was due to the service level being stored as an integer, but in the macros we need strings for string replace.

7 years, 7 months

Check_MK Werk 8198: Reporting: No longer raises an exception when trying to add an availability element to the report

by Andreas Boesl

ID: 8198 Title: Reporting: No longer raises an exception when trying to add an availability element to the report Component: Reporting Level: 1 Class: Bug Fix Version: 1.2.7i4

7 years, 7 months

Check_MK Werk 8353: Support for new RRD format with more efficient Disk IO

by Mathias Kettner

ID: 8353 Title: Support for new RRD format with more efficient Disk IO Component: Metrics System Level: 2 Class: New Feature Version: 1.2.7i4 The Check_MK Micro Core now supports a new format when creating RRD files. Here: LI:RRD files are kept below the new directory <tt>~/var/check_mk/rrd</tt>. LI:All metrics of one service are kept in one RRD Because now all metrics of a service are stored together in one RRD less disk blocks need to be updated when a new value is entered. This saves Disk IO. This is now possible because the RRDTool version 1.5 now supports changing existing RRDs. That way if a check outputs new metrics these can be added to an existing RRD. H2:Switch to the new format The new CMC format is not used automatically - neither for existing nor for new sites. The default for new sites might be changed in future, though. Switching your site to the new CMC format is done in the following steps: 1. Make a backup of your current RRDs (<tt>~/var/pnp4nagios/perfdata</tt>). You might be tended to skip this step as the amount of data can be large. But you have been warned. 2. Go to the ruleset Configuration of RRD databases of services (and hosts resp.) 3. Create a rule for some (or all) hosts with the setting RRD storage format: One RRD per host/service (saves disk IO, only with CMC) 4. Activate Changes - And now your system is in a state where new RRDs will automatically be created in the new format in <tt>~/var/check_mk/rrd</tt>. 5. In order to migrate the existing RRDs use the following command: C+: OM:cmk --convert-rrds -v C-: It is also possible to specify a list of hosts and limit the conversion to these: C+: OM:cmk --convert-rrds -v server01 server02 C-: Note: This keeps the existing RRDs present in <tt>~/var/pnp4nagios/perfdata</tt> and needs lots of diskspace. If you low in diskspace and are bold or if you have a backup (even better) you can directly delete the PNP format RRDs: C+: OM:cmk --convert-rrds --delete-rrds -v C-: If you decided not to delete the old RRDs in the first place you can run the command with the option <tt>--delete-rrds</tt> at any time later. Since all of you zigs of gigabytes of RRDs needs to be transformed this can take a long time. The good news: you do not need a downtime on your monitoring during this period. New RRDs are being used for storing current data as soon as they exist so with a bit luck and good disk performance you will not loose data points. H2:Old PNP SINGLE format Note: The new RRD format is almost identical with the format <tt>SINGLE</tt> that was default in PNP4Nagios a long time ago. PNP was not able to alter the list of metrics that a service did output - however. So whenever the list of performance data of a check changed the graphs ended at that point of time. There is currently no direct migration from PNP's <tt>SINGLE</tt> format to the new CMC format. But you can go the intermediate step with <tt>cmk --convert-rrds --split</tt>.

7 years, 7 months

Check_MK Werk 8344: Users can now add a pin to graphs to get specific values

by Lars Michelsen

ID: 8344 Title: Users can now add a pin to graphs to get specific values Component: Metrics System Level: 2 Class: New Feature Version: 1.2.7i4 By clicking on a graph, users can mark a specific position (time) in their graphs. This makes the graphs show the values of the marked time in the legend below the graph. The values of the graphs at the current marked time are shown in the column "pin". The time is saved per user. When the saved time of the current pin is in the range of a graph, the pin is shown and the values are displayed in the table.

7 years, 7 months

Check_MK Werk 8354: Notification spooler: handle incoming connections even in situation with large spool directories

by Mathias Kettner

ID: 8354 Title: Notification spooler: handle incoming connections even in situation with large spool directories Component: Notifications Level: 2 Class: Bug Fix Version: 1.2.7i4 In situations where a large bulk of notification came in from a slave the mknotify would happily handle all those notifications while at the same time forgetting to handle all the connections. They would run into timeouts that way. No the processing of notifications is limited to 3 seconds for each turn.

7 years, 7 months

Check_MK Werk 8346: mk_jolokia: Was not using configurable "relative jolokia URI" parameter

by Lars Michelsen

ID: 8346 Title: mk_jolokia: Was not using configurable "relative jolokia URI" parameter Component: Agent Bakery Level: 1 Class: Bug Fix Version: 1.2.7i4

7 years, 7 months

Check_MK Werk 8355: Fixed exception about "TypeError: a float is required" in reporting

by Mathias Kettner

ID: 8355 Title: Fixed exception about "TypeError: a float is required" in reporting Component: Reporting Level: 2 Class: Bug Fix Version: 1.2.7i4 This occurred when selecting time ranges of the form The last ....

7 years, 7 months

Check_MK Werk 8361: Fix: Core no longer hangs during the connection to a Carbon/Graphite host.

by Sven Panne

ID: 8361 Title: Fix: Core no longer hangs during the connection to a Carbon/Graphite host. Component: The Check_MK Micro Core Level: 1 Class: Bug Fix Version: 1.2.7i4

7 years, 7 months

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Checkmk werks level1 January 2017