Zabbix calculated item. I am trying to do some math on a calculated item and am unable to get the formula formatted correctly Zabbix Default Style Go to: Administration → General. With calculated items you can create calculations on the basis of other items. Mar 18, 2018 · I want to get that info through an item of type: "Calculated". Optionally one or more custom intervals can be specified either as flexible intervals or scheduling. All calculations are done by the Zabbix server - nothing related to calculated items is performed on Zabbix Description. With calculated items it is possible to create calculations based on the values of other items. All calculations are done by the Zabbix server - nothing related to calculated items is performed on Zabbix Dec 2, 2012 · Dear all, Is it possible to use Calculated Items in Templates? (Version 1. For example instead of: last ("net. And that is it. Select the Type, Calculated. Here it is: # LLD is defined to read OID . service and net. Description. 8 Notes on memtype parameter in proc. Aug 5, 2014 · Chalmo. Calculated items from proxified hosts do not get calculated. I am trying to create an item that is the sum of all the The average value of the referenced item values. Todas las métricas a las que hacen referencia las funciones de historial en el cálculo de la fórmula de la métrica debe existir y recopilar datos. I've been looking at the SNMP results and can see that it doesn't report back in a percentage but in some other form of measurement. When I create in a different host a different calculated item that try to calculate the same operation using 2 calculated items in a different host I obtain a not supported tag Aug 10, 2015 · I need some help. You may have to REGISTER before you can post. First of all I can create the calculated item, however when I want to setup triggers I run into the math issue Most like scenarios: A 3 host or 4 host setup. ceil. if. 2. Once a rule is created, go to the items for that rule and press "Create item prototype" to create an item prototype. Use this forum to ask questions about how to do things in Zabbix. ) and item we want to monitor (CPU, SIZE,). 2 also). by key (from step1) get change () - run every 5s. ID of the item prototype. size[ {#FSNAME},free] I then proceeded to create a calculated item prototype called Time Left until {#FSNAME} is full, using the following Nov 26, 2018 · In the calculated item formula there is a space between quotes and the word " Warning ". type Jan 18, 2022 · I have 2 items in zabbix version 5. Give the item a name, something such as % free on root. hi all, i would like to use in my formula value of "time difference of last and previous item value" , eg: item1, value1, time1 item2,value2,time2 perf_counter key in item has two args: first is the actual counter, second is time in seconds where average for this counter is calculated on windows host side. Parameter: item filter - criteria for item selection, allows referencing by host group, host, item key, and tags. I want to add a calculated field(s) for each of the database type (CORE, WEB. The cosine of a value, where the value is an angle expressed in radians. Nov 25, 2015 · system. This can be accomplished by updating the item using the API, but this can be not flexible enough in some situation, because wrong values might be used in the calculation before the formula is updated. size[available]") The problem is when the agent was stopped (host was shut down), this item is still calculating from the last value from the last check, while the other items (vm. 6 Jul 8, 2021 · Zabbix Discussions and Feedback; Zabbix Troubleshooting and Problems; If this is your first visit, be sure to check out the FAQ by clicking the link above. Supported value type: Integer. Regards. Sep 3, 2022 · I want to display a calculated value. узел сети. When I try to reference that item prototype, I get: Given the format of perfmon items in Zabbix, I'm wondering if something Leeds to be To work with calculated items and dependent items, we are going to need the Zabbix server and monitored hosts from the previous recipes. I'm trying to setup a calculated item in a Cisco ASA template that runs already runs a discovery for all the interfaces. Calculations may use both: single values of individual Apr 20, 2011 · Hi, I have recently set up an item for monitoring for memory. size [total]))*100. what am I supposed to put into the "key" parameter while creating the "calculated" item? This is what i tried so far: Formula: last(vm. Em cálculos agregados a informação de vários itens pode ser coletada pelo Zabbix Server (pela realização de consultas diretas ao banco de dados) para calcular uma agregação, dependendo da função agregada utilizada. The first step is to go to the Zabbix server and create a new item on the host or in a template. Jul 6, 2013 · Hello Zabbix Friends, I have a problem using calculated item prototypes in low level discovery. One item called Healthscore which returns the healthscore, usually 100. Latest data on ITEM #2 shows that it is being calculated at the scheduled interval (but never when a 'check now' is performed). An example of the old syntax: {<host>:<key>. Even if it is Zabbix 3. Hello All, I'd like to check if its possible to somehow get trend data of calculated item which also includes the past data of items from which calculated item is created? Thanks. That is why the master item must be configured (or exist) first: Go to: Data collection → Hosts. Jun 11, 2016 · So, basically I can calculate it in the following manner: Unix-Timestamp NOW () (in seconds) MINUS "sysUpTime" PLUS "lastConfigChange" gives me the point in time that the configuration change happened. more. For example, you may want to calculate the hourly average of some item value or to calculate the total value for a group of items. The closest I can get is get the average of the maximum of the group of items. IP}","foo"] T extern:script. IP}","foo"] Oct 27, 2014 · The value of this item is stored as "Delta (simple change)". Discover what has changed and why the new syntax is better. - key: value [xy] - interval 5m. . Apr 26, 2022 · The intent of the formula is to show SQL log file whitespace: I'm trying to create a calculated item as an item prototype in a low level discovery. 4 with the following expression: HTML Code: Oct 17, 2007 · Hi just2blue4u, this is just 10% of an answer because the cpu usage was only an example. 适用于Zabbix代理（活动），Zabbix内部，Zabbix陷阱，依赖项，Zabbix聚合，数据库监控和计算项: key_ (required) string: Item key. The formula so I'm trying to make this Nov 18, 2011 · Yes it is all numeric data. Same thing happens with "Memory utilization" and "Free swap space" items from default "Windows by Zabbix agent" templates - it keeps calculate an With calculated items you can create calculations on the basis of other items. For this, I made a template. The first example on that page does percentage calculation based on two items. Zabbix Agent Item key: net. Jul 26, 2012 · For our business it's very critical to have all server exactly the same time, so i create an item which get ntp offset. I try to create an item that returns the number of connections of a specific application using this command : #netstat -paunt | grep sshd | wc -l. All mandatory input fields are marked with a red asterisk. in [eth*,bytes]")) Then when ethX interface is added/removed from a machine (assuming an item is also Mar 5, 2018 · I have a Zabbix monitoring template, which defines a number of items, plus an additional calculated item. Calculated Item: - name: Change in % Value XY. The formula is a stripped down version. Calculated items may be used in trigger expressions, referenced by macros or other entities same as any other item type. 1 means they are all ok, less than 1 means that some of them are down. 6K subscribers. portuguese triggers, calculated and aggregated items danilo barros ceo provtel cloud solutions rafael jardim zcs | zcp –provtel cloud solutions Jul 19, 2023 · I'm creating a calculated item, to do the following: - I need to take the count value out of my print from now minus the value from 30 days ago, to give the total pages printed in that period. 1. HOST}:ifOutOctets["Link Aggregation Management Network on switch: vSwitch0, load balancing algorithm: source port id hash"]. 17. Could be some copy paste or form formatting issue. For example i have an item inside a host that is a calculated item from 2 different existenting SNMP items. Questions: 1. zabbix version 1. Hi, For any number of reasons you might want a value not to be taken into account in the calculation. 10) I try to calculate free RAM in percent for two SNMP Items. Apr 18, 2016 · This is possible to achieve using calculated items. This item below is working fine. My problem now is that this value will vary depending on which of the items is calculated when. 4. Calculated items. size [active])/ (vm. 7. Origin Item: - name: Value XY. Regards, JBo. 0, it might make sense to use vfs. size[total]")-last("vm. What I want to do is create a 'Total traffic' item then add it onto the graph as-well. size[available]) were halted. The hyperbolic cosine of a value. Одна из поддерживаемых функций: last, min, max, avg, count и т. Key name for this item: - prtMarkerLifeCount. All functions listed here are supported in: Trigger expressions. The values will be periodically calculated based on an arithmetical expression. Aggregate calculations are a calculated item type allowing to collect information from several items by Zabbix server and then calculate an aggregate, depending on the aggregate function used. 5 with key prtMarkerSuppliesType. One value is a modbus query value. Anteriormente 2 argumentos: <period>,<time shift>. #1. {#SNMPINDEX}]. Go to: Data collection → Hosts. Trigger expressions in Zabbix are used to define problem thresholds. You did test the key and connection very correctly with zabbix_get and everything is fine there. Aug 31, 2021 · In this video, we will learn how to perform calculations and utilize predictive functions by using collected data with Calculated item type. All calculations are done by the Zabbix server - nothing related to calculated items is performed on Zabbix AHORA PERIOD Y TIME SHIFT SON UN ARGUMENTO. Apr 30, 2020 · calculated item not supported. We will discuss Aug 22, 2019 · Environment OS: CentOS 7 Zabbix Server Version:Zabbix 4. memory. One item called Memory which returns the used RAM in MBs. services", which returns a float representing the states of the LDAP services on a the host. . Current ConfigFrequency value on this proxy is 600. Key=user. Is there a way to specify multiple items with wildcards or something of the sort input for a calculated items. in [eth0,bytes]")+last ("net. <function>(<parameter>)}<operator><constant> Apr 18, 2016 · Calculating Percentage of item. This creates the item, yet when I check it's status it says "Not Supported". nodata (/Template XXXX/item_two,1)>=0. num items 10 Implementation details of net. 2 server, with several proxies (6. To calculate amount of traffic I need to sum values of this item from the start of the day (00:00). Doing a config_cache_reload or even a restart of the proxy server does not help with this issue. 8. Aug 20, 2015 · In Zabbix I am trying to show total memory in use as a percentage. name (required) string: Name of the item. All calculations are done by the Zabbix server - nothing related to calculated items is performed on Zabbix agents or 3 Date and time functions. I created a "free space on {#FSNAME}" item prototype using the following key that works perfectly fine: Code: vfs. calculated items data from item's past data. Name of the item that stores the daily page counts: - 7 Page Count. The referenced item must be in a supported state (except for nodata() function, which is calculated for unsupported items as well). The value is obtained by Zabbix agent upon request. first item as a trapper and it will be updated every one minute and Its value is ascending. So for the black it's currently on 460, there's another key called max capacity and for the May 20, 2021 · 7 Previously 2 arguments: <period>,<time shift> Now 1 argument with a colon in the middle: <period:time shift> 1h –in the last one hour 1h:now-1d –during same hour one day ago Sep 14, 2022 · Hi, I'm on Zabbix 5. last (/Template XXXX/calculated_item,#1)>1000. To use calculated items, choose the item type Calculated. Date and time functions cannot be used in the expression alone; at least one non-time-based function referencing the host item must be present in the expression. While other trigger expressions as function parameters are limited to non-history functions in triggers, this limitation does not apply in calculated items. size[available]) / last(vm. Where the original item values are: 2 = Ok, 1 = Warning, 0 = Error Jul 5, 2018 · Hello, i'm trying to evolve the VMware ESX Standalone Template ans I have difficulties to create an item prototype calculated on Zabbix 3. 28-03-2012, 18:41. 01-03-2021, 10:04. Now as a simple test i want to combine these two into 1 item using the calculated method. Jul 31, 2014 · I have a problem creating calculated items from another ones. last(0)} Visão geral. Finally, I created calculated item "IN traffic on $1" with formula: Dec 19, 2019 · With calculated items, you can create calculations on the basis of other items. I tried the following: Formula: last ("Memory")+last ("Healthscore") Nov 25, 2020 · If this is your first visit, be sure to check out the FAQ by clicking the link above. Zabbix. 4 has introduced a new unified syntax for trigger expressions and calculated items (including aggregate calculations). Calculate Item for Active user 1 hour. cos. and. Discovery May 21, 2015 · I need make calculated item, which get maximum value of two items. So the best way to compare 2 items is that formula. 1 Item prototypes. 2 item. nodata (/Template XXXX/item_one,1)>=0. Agent returned value "4" which is the number of CPUs you have on your device. Ahora 1 argumento con ‘dos puntos’ en el medio: <period:time shift>. Fill in the Key with a unique name, example free. IP},10050] Calculated Item key: last ("net. The question was how to calculate an item ? In reality i don't even get values for idle because Zabbix claims it is not supported (Solaris 10 not supported ?) so i don't know if the return value is in percent or something else and if it is not in percent the posted formular works. time. Just restart mysql server, zabbix server and check the logs again. This defines some active checks using an external script, that run every 10min, return a single integer, and have the name formats: T extern:script. A diferencia de las expresiones desencadenantes, Zabbix procesa las métricas calculadas según el intervalo de actualización de la métrica, no al recibir un nuevo valor. д. Aug 20, 2021 · If this is your first visit, be sure to check out the FAQ by clicking the link above. size[total] and vm. for example, I have items: proc_info[<my exe process>,vmsize,sum] and proc_info[<my exe process>,wkset,sum] New calculated item must have value which maximum of thic items. Nov 2, 2016 · If you want real values of my items (avgIncomingIn10Mins and avgOutcomingIn10Mins), i could tell you that they are not 0, because they store actual speed on working router port. 11. Note how the {#FSNAME} macro is used where a file system name is required. I’m running Zabbix 2. You should check mysql logs. 0. port [ {HOST. mem items 9 Notes on selecting processes in proc. Key. Change the formula for example to 0+0, wait for the expression to trigger and write the value to the database, and then change the formula to your own. can I use MACROs in calculated fields to change the host according to different hosts the field is on? 7 Calculated items Overview. Wildcards are supported. The item prototype object has the following properties. In other words you don't need to use calculated item type. In the template I have aggregated items (for content delivery servers) and this is working well. Click on Create item in the upper right corner of the screen. Attachments. Calculated item formula syntax. In this example we will add a calculated item to show the change in bytes for each #FSNAME in the Windows by Zabbix agent active ⇾ Mounted filesystem discovery rule. To know how many seconds passed from 00:00, I created UserParameter on host "Zabbix server" - "seconds. contents instead of the log[] item - log[] item is meant to read a file that is appended, but you are replacing file contents. We can also extend discovery rules with calculated items. In the Mounted filesystem discovery rule, create a new Item Prototype. I pull my servers entire mail log in to Zabbix as an item want search for several different strings and count the occurrence of each ( and graph it naturally ) . 7 I‘m using a SNMP Item with a calculated Item as shown below. Which would be ifInOctets [ {#SNMPVALUE}] + ifOutOctets [ {#SNMPVALUE}] = ifTotalOctets [ {#SNMPVALUE}]. Jul 18, 2018 · I am familiar with creating a calculated item with the GUI, but now I want to do it with the API. I Mar 7, 2012 · One host called SBC. In case you want to have average for 5 minutes: you create item with key perf_counter ["<COUNTER HERE>", 300] and polling interval 300. fs. SNMP Item; Name: Pages Printed Total I have a Zabbix 6. Is there something wrong with calculated item? Jan 3, 2021 · Joined: Jul 2020. Thus, calculated items are a way of creating virtual data sources. I try and create a calculated item with the formula: ( (vm. They are blank. Mar 26, 2019 · 1) Example of key containing macro as a calculated item: Created below item and it is giving correct result. 24-09-2013, 20:13. Dec 10, 2011 · Hi. 43. I’m having some issues getting my formulas syntax correct and I was hoping someone could help me out. 4 the syntax was different. Accepts seconds or a time unit with suffix (30s,1m,2h,1d). Click on New regular expression. Would be useful if in a calculated item we could concatenate two text or characters items together. If I generate a calculated item that realizes функция. Aug 11, 2018 · Update interval=60seconds. Formula=sum (perf_counter ["\Terminal Services\Active Sessions"],3600) Update interval=1h. Select Regular expressions from the dropdown. out [eth0,bytes]") do something like: sum (last ("net. what is the correct syntax for doing that? 2. file. delta (15m)}/900. Hi, Your mysql server crashed. Hi all. Im trying to do this with a calculated item. Aug 26, 2021 · If this is your first visit, be sure to check out the FAQ by clicking the link above. The use of a low-level discovery macro is mandatory in the item key to make sure that the discovery is processed correctly. Enter parameters of the item in the form. (Where "sshd" is the name of my application) I know that i have to use the item type "Calculated" but i don't know what key i have to write and what is the syntax of the "count Description. So, both these things are doing calculations, but before Zabbix 5. Jun 29, 2021 · At the same time, calculated items are doing calculations as well, but at the end, they store a value inside the database. Thus, calculated items are a way of creating virtual data sources. 2. The values Posts: 21. The Expressions tab allows to set the regular expression name and add subexpressions. Remove the spaces and see if the item goes supported within some 10 minutes. go_to_ellipsis-1. Uniqueness of key in zabbix includes key's args. item_count(item filter) The count of existing items in configuration that match the filter criteria. Calculations may use both: single values of individual items. Is it posable? (zabbix 2. Item prototype. mem and proc. 6. Sep 10, 2018 · Something like data rate is calculated by zabbix automatically (item page -> Preprocessing tab -> Add -> in Name drop down list you have Simple change and Change per second). Click on Items in the row of the host. -----And suddenly i discovered that >= is also doesnt work and returns 0. You can also create an item by opening an existing one, pressing the Clone button and then saving under a different name. Parameter. In the field Formula, we add: Jul 10, 2021 · So, the problem is when your router will go down, this item will still be calculated, which will affect aggregation numbers in long term if you want to get an average utilization for 6 months or so. Comments: Supported only in calculated items; 7 Calculated items Overview. I'm trying to get a percentage of toner left in a Xerox photocopier. There is a "formula" field for an item object, but its type is int/float as stated in the document. The resulting data will be stored in the Zabbix database as for any other item - this means storing both history and trend values for fast graph generation. The calculated item is not being stored in the database the aggregated value is and I'm trying to create a calculated item that uses the aggregated items (which are successfully stored in the database) as inputs into the calculated item. Текущий узел сети может быть опущен (примерно как в Apr 6, 2022 · I do not understand how I can use the time shift for a calculated item, to calculate the change in % from the last value with a value which Zabbix has collected 1h (or 3h, or 1day) before the last value. Calculations may use both: single values of individual The host and item key can be specified as /host/key. pl["{HOST. 30-04-2020, 16:23. Optional for Zabbix agent (active), Zabbix internal, Zabbix trapper, Dependent item, Zabbix aggregate, database monitor and calculated items. 3. Also, they are added in the correspondant proxy queue as unavailable items. Round the value up to the nearest greater or equal integer. Overview. Possible values: 0 - Zabbix agent; 2 - Zabbix trapper; 3 - Simple check; - SQL query for database monitor items; - formula for calculated items; 1 Overview. This value will be either an integer or a floating number. Set the regular expression name. 1h – en la última hora 1h:now-1d – en la misma hora hace un día 1d:now/d – todo ayer. Hello!, I'm starting to understand the zabbix, please help with the problem: I want to detect-notify when the difference between events 0 is a few minutes. 1 Overview. I think the documentation is pretty clear, but somehow it isn’t working in my system. See item filter for more details. May 9, 2012 · Calculated item help 05-09-2012, 20:32. Узел сети элемента данных, который используется в вычислении. get value (float) from script - run every 5s. You mentioned what Description. Jan 3, 2017 · I’m trying to create a calculated item from values in interface discovery, but I haven’t really figured out how yet. Calculated items from non proxified hosts get calculated ok. udp. x) Oct 16, 2023 · A quick check in DB confirms that 573333 is items #2. The template is T extern. The functions are listed without additional information. begin". Type of the item. 18-04-2016, 11:14. contents item to numeric straight away and just graph it. The source item is a PerfMon counter which is working fine. cbrt. tcp. {MYTPL:net. second item is calculated based on first item and its formula is : (abschange(&quot;KeyName&quot;))/60 for example: if values of first item are these: 5,8,16,34,68,71,93,102, then second item must May 12, 2018 · I'm trying to generate a calculated item from an item prototype. Created below item and it is also giving correct result. All the other non-calculated items (all SNMPv3) are generated, but this one is NEVER generated. Cálculos agregados não requerem qualquer agente em execução no host sendo monitorado. in [ifHCInOctets. Dec 2, 2021 · The work around that I have always found to work is to use those items in the trigger expression and ensure that they will always evaluate to true for example: New Zabbix Trigger Format -. Hi Team: I am generating a calculated item in Zabbix 5. cpu. And if it is not, then the last() function will not work and item will not work again. service checks 1 Overview. Posts: 7. 0 and I'm trying to use a LLD macro in calculated item prototype formula like this. If it's an older version of Zabbix, you should be able to set vfs. First I have a rather simple calculated item with the key "calculated. Update interval of the item prototype. Name. 2 Aug 21, 2014 · Hi @nakunakujung : you can use as follows to show value on map, Also cna change last(0) to avg(5) ETH Out : {{HOST. Until offset is in <-999ms; 999ms> it's ok, but outside this i should be notified. So, I need to see incoming packets per second (pps) on all interfaces on a router. A calculated item allows to create a calculation based on the values of some existing items. May 19, 2022 · Performing data aggregations and calculations with Zabbix calculated items - YouTube. eg (max (item_on_server1,timeframe)+max (item_on_server 2,timeframe)+max (item_on_server3,timeframe))/3. complex filters to select multiple items for aggregations (see aggregate calculations for details) Thus, calculated items are a way of creating virtual data sources. My test from this was 1 User logon for one hour, The data received for the SUM calculated item was 40, then it dropped to 38. The formula is: last("vm. IP},10050]") 2) Example of external check containing macro as calculated item. ldap. Zabbix 1600px. The ifHCInOctets entry is gathered by SNMPv3. cosh. So where do I put the formula needed by a calculated item?enter image description here Dec 21, 2020 · Your expression does not work because there is no initial value for this item. root. Click on Create item. 8K views 1 year ago Zabbix Series. num is a standard built in item key in Zabbix. 1. Used Memory: KEY_NAME_OF_OIDA Jun 6, 2021 · Division by ZERO on a Zabbix 5. The cube root of a value. 7 Here are the working values: A dependent item depends on its master item for data. Only unsigned integer and float values (type of information) are supported for aggregate calculation items. If I enter configuration for any host calculated item and hit "Test Aug 31, 2021 · Zabbix 5. This is what this item looks like in Zabbix: Name: Active energy Type: Zabbix agent Jun 29, 2018 · example: If you would like count sum all enable items all hosts in specific host groupe, than use calculated item with formula: sum (last_foreach (/*/zabbix [host,,items]? [group="HostGroup"])) and add item zabbix [host,,items] to each host in hostgroup. May 29, 2018 · For testing purposes I used the following filter: Code: {#FSNAME} matches ^(/|/boot)$. size[total]) OS: WIN 10 Zabbix: 3. That is what a calculated item is for. To start viewing messages, select the forum that you want to visit from the selection below. With Zabbix, you can get Overview. However, I think that it is not related to your calculated item. 4 calculated item 06-06-2021, 22:12. Jan 29, 2019 · For instance I want to see the maximum throughput any of my servers have seen in a given period of time. We will add the items on the lar-book-agent_passive host and our Zabbix server host, so we already have some items available to calculate and make dependent. hp cd db hm pp tl yw vc vv su