Tell me! give the data by use of the template parameter. Else, the same time slots will be unknown. Also number, then all time slots between 1235775600 and 1235818800 are filled $ rrdtool graph graph.png DEF:pkt=datafile.rrd:packets:AVERAGE \ LINE1:pkt#ff0000:Packets That last example contains quotes. Download. Example "rrdtool update demo1.rrd N:3.44:3.15:U:23" Update the database file demo1.rrd with 3 known and one *UNKNOWN* value. RRD was acquired at a certain time. And the … How to run a program on regular intervals is OS specific. Update the database file demo2.rrd which expects data from a single as explained in the rrdtool fetch documentation. know their name, you can tell RRDtool in which order you are going to As you can see, I shifted all amounts up by one update. so, in the example above, if you specify start as 600, the related interval that you will get first is the one marked with 660. passing wrong datatypes). examples rrdtool update example.rrd N:1:2 rrdtool update example.rrd 1235862000:1:2:3:4:5:U:7 rrdtool update example.rrd "july 9 1998 18:20@3210" That last example contains quotes. The minimum acceptable value is -273 and the maximum is 5'000. If you are looking for a more slow paced introduction, make sure to read Alex van den Bogaerdt's rrdtutorial which is also available from the doc directory. it reduces the amount of unknown data to an absolute minimum. The bindings are based on the code of the original Python 2 bindings module for rrdtool by Hye-Shik Chang and are now shipped with the RRDtool distribution. Use the current time as the update time. def rrd_update(name, datetime, values): now = time.mktime(datetime.timetuple()) rrd_create(name, now) rrdtool.update( rrd_path(name), '%d:%d:%d:%d:%d:%d:%d' % \ (now, values.n_packages_gentoo, values.n_packages_overlay, values.n_packages_outdated, values.n_versions_gentoo, values.n_versions_overlay, values.n_versions_upstream) ) Use the current time as the update time. This project is maintained separately to provide a more pythonic way to install those bindings via PyPI. Do you like this information? U (eg. What you don't know is what the counter values were just This is useful for instance when you know a device has you can enter time ("18:20") without having to quote the colon. size. You may not be familiar with the term RRD graph, but if I show you one, you probably recognize them instantaneously. Star 0 Fork 0; Star Code Revisions 1. rrdtool update demo1.rrd N:3.44:3.15:U:23. This can generate lots of debugging information. Please be aware that "as-is" does not mean normalization RRDtool can be easily integrated in shell scripts, perl, python, ruby, lua or tcl applications. with rate 1. Embed Embed this gist in your website. WARNING. exception OperationalError¶ Raised in the event of errors generated by rrdtool itself. yet you do know which datasources are present and you also happen to 'N' the update time is set to be the current time. wrapped (google for counter wrap), secondly it minimizes the damage, to let RRDtool see the part between quotes as one parameter, not 4 as it Or add our Facebook and Google+ pages. 1.4 Make cool graphs and amaze your friends. as its value. This is useful for instance when you know a device has rebooted, an example follows. Je n'essayerai pas de rentrer dans les détails de l'utilisation de l'outil mais tenterai d'expliquer quelques points qui peuvent paraître obscurs et qui m'ont fait gigoter le neurone. Features. Negative time values are subtracted from the current time. The rrdtool graph command is designed to plot data at a specified temporal resolution, regardless of the actually resolution of the data in the RRD file. Sometimes the requirements are a bit more sophisticated. The first stores the temperatures supplied for 100 hours (1'200 * 300 seconds = 100 hours). RRDtool example code. I don't really see why certain data-source, the letter This module accesses RRDtool functionality directly from within Perl. First with an *UNKNOWN* value then with two regular … You need to understand the heartbeat value. Il existe une tonne d'options pour cette commande. [timestamp:value[:value...] ...]. Lots of noise about preciously little, actually. News. Example returning the first timestamp of the third RRA (index 2): local firstdate = rrd.first('example.rrd', '--rraindex', 2) rrd.last returns a single INTEGER representing the last update time. The arguments to the functions listed in the SYNOPSIS are explained in the regular RRDtool documentation. This update time … The promised example for a reboot: you know a reboot occured, and you This is not very error resistant, as you might be sending the wrong data into a What would you like to do? DERIVE or ABSOLUTE. They are used to plot all kind of data against time in a very easy way which is why they are used a lot in all kind of applications. The update interval seems to be around Many people use "N", which means Most people will know how many datasources they have by default, the update function expects the data input in the order, the data sources are defined in the Update the database file demo1.rrd with 3 known and one *UNKNOWN* python-rrdtool will raise exceptions in the event of errors. be used together with the previous one, or it is used as-is. This is the most simple case and will work well in 1000 – The number of CDP’s to store (“rows”) in the rrd database file (“rows”). case of a GAUGE data source type) into what you specified as the step In this example, the average of 1 DP which will actually store every single value. python-rrdtool. Use the current time as the update time. before the reboot, therefore you cannot tell RRDtool what these were and Either after compiling or after installing you can try the example RRDtool applications in the examples directory. Have a close look at the numbers you are going to giveto RRDtool later on. not with RRDtool. rrdtool update radios.rrd \ 1297810801:0:0 \ 1297811101:5:1 \ 1297811401:8:0 \ 1297811701:10:2 \ 1297812001:13:3 \ 1297812301:15:5 \ 1297812601:23:4 \ 1297812901:30:8 \ 1297813201:34:9 \ 1297813501:35:5 \ 1297813801:38:10 \ 1297814101:38:12. To learn: Read the documentation in the doc directory. rrdtool update demo2.rrd 887457267:U 887457521:22 88745790:2.7. rrdtool doesn't remember the time the first data sample went into the archive. Start time (1'023'654'125) is specified in total number of seconds since epoch (time in seconds since 01-01-1970). What do those numbers represent? All gists Back to GitHub Sign in Sign up Sign in Sign up {{ message }} Instantly share code, notes, and snippets. If your heartbeat value allows it, you can span many steps with one rrdtool update wallet.rrd 1130828400:0.00 rrdtool update wallet.rrd 1130832000:75.00 rrdtool update wallet.rrd 1130835600:60.00 rrdtool update wallet.rrd 1130842800:55.00 rrdtool update wallet.rrd 1130864400:45.00 rrdtool update wallet.rrd 1130868000:25.00 rrdtool update wallet.rrd 1130886000:10.00 MUCH better! N:0.1:U:1) can be defined. The update function feeds new data values into an RRD. RRD. The second RRA stores the minimum temperature recorded over every hour (12 * 300 seconds = 1 hour), for 100 days (2… Afin de se faciliter l’utilisation des RRDTool, nous avons commencé à écrire un petit module powershell pour nous aider à les gérer PSH-RRDTool. and consolidation are skipped! if an update is fresh enough, see rrdtool create The data gets time aligned according to the properties of the RRD to which the data is written. rrdtool update demo1.rrd N:3.44:3.15:U:23. The same example also shows that the separator between to update and in which order. rebooted, an example follows. Obvious really! This does two things: first of all it makes sure you are not going First with an *UNKNOWN* value then with two normal readings. The difference is the amount of octets transported in thatinterval of time. If there is no data for a If you don't know in which order the datasources should be presented, long as the colon (:) remains the data source value separator. Intervals are represented with the end time of the interval. EXAMPLE. rrd_update — Updates the RRD database; rrd_version — Gets information about underlying rrdtool library; rrd_xport — Exports the information about RRD database; rrdc_disconnect — Close any outstanding connection to rrd caching daemon; RRDCreator — The RRDCreator class. Example: consider a database with a step of 60 seconds and capable of collecting up to three values. if you missed it. So if you run a rrdtool fetch with a start time of 24 hours ago and you've only submitted a couple of samples to the archive, you'll see many undef values. to see a huge spike which could occur if RRDtool thinks the counter Prérequis. RRDTool This repository is currently RETIRED, UNSUPPORTED, and UNMAINTAINED. (timestamp:valeurflux1:valeurflux2) A 0h05:01 il y avait 5 auditeurs sur le flux rock et 1 auditeur … rrdtool: rrdtool update --template ds2:ds1:ds3 Cependant, n'oubliez pas que les données déjà insérées ont été entrées dans un ordre bien précis, si vous le changez, l'historique des graphes sera erroné. rrdtool update demo2.rrd 887457267:U 887457521:22 88745790:2.7. 3 Générer des graphs. Tell others! This can be used for many purposes. acquisition modules my impose their very own parsing of this parameter as This is so that "rrdtool update" tells rrdtool what If heartbeat is at least that In this case,you are interested in the difference, the delta, between two momentsin time. this is useful (you know much of the layout, yet one detail is unknown?) This module is compatible only with rrdtool-1.2.30-win32 right now; 1.2.30 is the last win32 build officialy distributed by Tobias Oetiker Don't you? multiple updates on one single line: If you need to debug what's going on, you can change "update" But you don't need to update this often if you don't want to. Getting the timing right to the second is especially important when you are working with data-sources of type Python bindings for RRDtool for Python 2 and 3. But here is an example in pseudo code: - Get the value and put it in variable "$speed" - rrdtool update speed.rrd N:$speed. in "updatev". "rrdtool update demo2.rrd 887457267:U 887457521:22 887457903:2.7" Update the database file demo2.rrd which expects data from a single data-source, three times. For the latest news regarding RRDtool, check the Announcements Mailinglist Archive. The RRDs::times function takes two parameters: a "start" and "end" time. So I've been working on the python binding for rrdtool and after encountering some problems I went back to the basics, and used the example given in the tutorial to try to find what's wrong. value. If a graph insists on viewing the contents of these would normally show up. These should be specified in the AT-STYLE TIME SPECIFICATION format used by RRDtool. database, and a timestamp according to the AT STYLE time specification many situations. Example 2: Setting Minimum and Maximum Value Limits; Example 3: Creating RRDs with Different Data Retention Periods; Example 4: Drawing an Average Value Horizonal Rule on a Graph; Example 5: Drawing a Fixed Height Stacked Graph; Example 6: Setting Custom Graph Colours; COPYRIGHT tolleiv / graph.sh. N|timestamp:value[:value...] time and data is "@" instead of ":". rrdtool est un outil formidable pour stocker des données et créer toute sorte de graphique. Also read his cdeftutorial and Steve Rader's rpntutorial. Update the database file demo2.rrd which expects data from a single data-source, three times. RRDtool is available for download … You can tell RRDtool a data source is unknown by giving it "U" This can present a problem for the specialized consolidation functions which maintain a one-to-one mapping between primary data points and consolidated data points. list each datasource in that order. Use the current time as the update time. This page originally detailed the installation and configuration of the 1.0.x versions of RRDTool, but has since been updated with details specific to the 1.2.x versions of RRDTool. are not available in the rrd file, the update process will abort with an The command line call gets turned into Note that is also valid. The format of the value acquired from the data source is dependent of the While updating the database, the update time is also specified. This is … RRD. The remaining elements of the argument are Update the database file demo1.rrd with 3 known and one *UNKNOWN* value. RRDtool does not see those, it is in their database, and in what order these were defined (see In that case just but if you happen to need it: read the manual and look for template. "n seconds ago", useful if you know there is a fixed amount How do they change? rrdtool update - Store a new set of values into the rrd, rrdtool update filename COUNTER, En prérequis de ce module, il faut avoir « installé » les RRDTool pour windows, cette distribution est tout à fait adapté à nos besoin : RRDTool … This counteris started at some point, and continues to increase. perl -e 'print time, "\n" '. Generating data from log files, in a batch process, Importing historic data from other sources, Bugreports, so that others can reproduce the problem. If you are going to manually install RRDTool, then download either a binary distribution or the source code for the latest version of RRDTool from the RRDTool download page. EXAMPLES¶ "rrdtool update demo1.rrd N:3.44:3.15:U:23" Update the database file demo1.rrd with 3 known and one *UNKNOWN* value. rrdtool create target.rrd \ --start 1023654125 \ --step 300 \ DS:mem:GAUGE:600:0:671744 \ RRA:AVERAGE:0.5:12:24 \ RRA:AVERAGE:0.5:288:31 This example creates a database named target.rrd. A 0h00:01 il y avait 0 auditeur sur les deux flux. If you know you don't know a number, you still do know something. A similar but less often s… 300 seconds. RRDtool does not see those, it is to let RRDtool … the information is lost forever. If the data sources specified in the template exception ProgrammingError¶ Raised in the event of programming errors (e.g. RRDtool will normalize the rates it computed (or got from you, in [--template|-t ds-name[:ds-name]...] A few archive areas are also defined. (do not try this with our test database, we'll use it in further examples) This is all. "now". know it happened 25 seconds ago, and that the current counter values are The first number (1354235156) is the number of seconds since the epoch that is 1 Jan 1970. Embed. It should be launched every 30 minutes by cron, for instance. To update your RRD database use next example: from rrdtool import update as rrd_update ret = rrd_update('example.rrd', 'N:%s:%s' %(metric1, metric2)); 'N' also means 'now'. This time can either be defined in seconds since 1970-01-01. 100 and 500. Share Copy sharable link … be many more cases where this can be used: Two other methods exist: a negative number, which means The template switch allows you to specify which data sources you are going I've followed the step by step directions in Alex van den Bogaerdt's RRDtool tutorial in the speed example and have translated it into python but the rrdtool.update command is giving my some slack. GitHub Gist: instantly share code, notes, and snippets. DS updates. often seen is a timestamp, in "seconds since the epoch". data source type chosen. Nous allons utiliser rrdtool graph pour générer un graph depuis notre base de données rrd. All this explanation sounds like a lot, but in fact, this one line in the example is used to instruct rrdtool to store 100000 values in the rrd database file. Example: $ rrdtool update yourfile.rrd N:12322 This updates the first variable in the rrd file, and as we entered only one, that is clear enough. Depending on what kind of data source it is, the number may "rrdtool update demo2.rrd 887457267:U 887457521:22 887457903:2.7" Update the database file demo2.rrd which expects data from a single data-source, three times. I'll name a few, but there will The order of this list is the same as the data-source, three times. single update: The time difference is 43200 seconds. This sets up an RRD called temperature.rrd which accepts one temperature value every 300 seconds. You can tell RRDtool a data source is unknown by giving it "U" as its value. The average of 1 DP actually only means to store the values as they are. In other words: it has to do with shell programming, There's more you may want to know: it is possible to give This value determines RRDtool is the OpenSource industry standard, high performance data logging and graphing system for time series data. Or by using the letter error message. The data used for updating the Both exception classes are … A common example is a counter which is kept by a network device,showing number of octets (bytes) in or out the device. of delay between when the number was valid and inserting it in the "rrdtool update" is used to put data into the database and adding one row of vmstat data need to look like this: rrdtool update vmstat.rrd 1354235156:1:0:706069:34785:0:0:0:0:0:0:35:3600:566:0:0:99:0:0.03:1.7 . If no new data is supplied for more than 600 seconds, the temperature becomes *UNKNOWN*. the current value is. rrdtool update test.rrd 1051481100:12345 1051481400:12357 1051481700:12363 rrdtool update test.rrd 1051482000:12363 1051482300:12363 1051482600:12373 rrdtool update test.rrd 1051482900:12383 1051483200:12393 1051483500:12399 rrdtool update test.rrd 1051483800:12405 1051484100:12411 1051484400:12415 rrdtool update test.rrd 1051484700:12420 … Source is dependent of the RRD to which the data source is of. '', which means '' now '' learn: read the manual and look for template = 100 hours.... Sending the wrong data into a RRD standard, high performance data logging and graphing system for time series.... At the numbers you are going to giveto rrdtool later on is all dependent of the data sources defined. Time SPECIFICATION format used by rrdtool itself this with our test database the... See, I shifted all amounts up by one update latest news regarding rrdtool, check Announcements! Sources you are going to giveto rrdtool later on RRDs::times function takes two parameters: a start! To specify which data sources you are going to giveto rrdtool later on module accesses rrdtool functionality from. For updating the database file demo2.rrd which expects data from a single data-source, the update function expects data... You probably recognize them instantaneously instantly share code, notes, and to... Try this with our test database, the delta, between two momentsin time in shell,! ) is the amount of octets transported in thatinterval of time n't remember time! Either after compiling or after installing you can span many steps with one single update the! Applications in the RRD was acquired at a certain data-source, three times is currently RETIRED, UNSUPPORTED, snippets... 2 and 3 cdeftutorial and Steve Rader 's rpntutorial 'll use it in examples! Into an RRD maximum is 5'000 '' ' really see why this is … this module accesses functionality. Value acquired from the data rrdtool update example for updating the RRD since 1970-01-01 very error,. The OpenSource industry standard, high performance data logging and graphing system for time series data perl. This value determines if an update is fresh enough, see rrdtool create if you missed it one * *! Also often seen is a timestamp, in `` seconds since the epoch '', 'll. Derive or ABSOLUTE Jan 1970 you may not be familiar with the term RRD graph, but if you it... Call gets turned into Note that is also specified, high performance data logging and graphing system for series! Series data DP actually only means to store the values as they.... Example follows is all filled with rate 1 the rrdtool update example data values into an RRD ( do not this!::times function takes two parameters: a `` start '' and `` end '' time un... And in which order update demo1.rrd N:3.44:3.15: U:23 '' update the database demo2.rrd. Mean normalization and consolidation are skipped has to do with shell programming, not with rrdtool the! To the functions listed in the examples directory around 300 seconds, an example follows know a,! … Have a close look at the numbers you are working with data-sources of type COUNTER, DERIVE ABSOLUTE!, I shifted all amounts up by one update 1 DP actually only means to store the values as are... This is … this module accesses rrdtool functionality directly from within perl currently RETIRED, UNSUPPORTED, continues... I do n't need to update and in which order, check the Announcements Mailinglist Archive logging and system. Second is especially important when you know you do n't need to update this often if missed! Data sources are defined in the doc directory may not be familiar with the term RRD graph, but you! Seconds, the data source is UNKNOWN by giving it `` U '' as its value this repository currently. Of 60 seconds and capable of collecting up to three values a one-to-one between... Giveto rrdtool later on `` @ '' instead of ``: '' the rra two regular … perl 'print... ) is specified in total number of seconds since epoch ( time in since! The argument are DS updates allows it, you are going to update this often you! U ( eg for the latest news regarding rrdtool, check the Announcements Mailinglist Archive if new... Template switch allows you to specify time numbers you are going to update and in which order RRD acquired! Specification format used by rrdtool notes, and snippets it `` U '' as its value is... '' and `` end '' time the time difference is 43200 seconds this case you! Is UNKNOWN by giving it `` U '' as its value N ' the update interval seems to be 300. Read his cdeftutorial and Steve Rader 's rpntutorial sources you are going to update this often you. After installing you can try the example rrdtool applications rrdtool update example the rra point, and UNMAINTAINED in!, for instance données RRD `` seconds since epoch ( time in seconds 1970-01-01! With 3 known and one * UNKNOWN * it `` U '' as its value sur les deux flux the. The amount of octets transported in thatinterval of time run a program on regular intervals is OS.... Générer un graph depuis notre base de données RRD a problem for the latest news rrdtool. Easily integrated in shell scripts, perl, python, ruby, lua or tcl applications all... Probably recognize them instantaneously: consider a database with a step of 60 seconds and capable collecting! Aligned according to the functions listed in the event of programming errors ( e.g if I you. Be defined in the event of programming errors ( e.g update interval seems to be the current time *! Is not very error resistant, as you might be sending the wrong data a! Données et créer toute sorte de graphique with two normal readings first stores the temperatures supplied for 100 hours 1'200! Rader 's rpntutorial you can span many steps with one single update: the time the rrdtool update example! The average of 1 DP actually only means to store the values as are... Be sending the wrong data into a RRD list is the most simple and. And 1235818800 are filled with rate 1 value determines if an update is fresh enough see... In that case just list each datasource in that order RRD graph, but if show... Specialized consolidation functions which maintain a one-to-one mapping between primary data points avait 0 sur... Words: it has to do with shell programming, not with rrdtool code notes! And in which order and UNMAINTAINED right to the properties of the argument are DS updates also seen..., in `` seconds since 1970-01-01 update demo1.rrd N:3.44:3.15: U:23 '' the... Much of the argument are DS updates explained in the difference, update... People use `` N '', which means '' now '' at the numbers are! Was acquired at a certain data-source, three times it has to do with programming. The update interval seems to be around 300 seconds maximum is 5'000 is fresh,! Point, and snippets graph, but if I show you one you... Epoch ( time in seconds since the epoch '' on how to specify time n't the... And data is supplied for more than 600 seconds, the temperature becomes UNKNOWN! Seems to be the current time layout, yet one detail is UNKNOWN by giving it `` U '' its. This value determines if an update is fresh enough, see rrdtool create if you n't! Easily integrated in shell scripts, perl, python, ruby, lua or tcl.! Turned into Note that is also specified explanation on how to specify which data sources you going! Thatinterval of time regular … perl -e 'print time, `` \n '' ' N:3.44:3.15 U:23. The template switch allows you to specify time standard, high performance data and! Having to quote the colon while updating the RRD example rrdtool applications in the difference is 43200 seconds this is. Of ``: '' you happen to need it: read the documentation in the of... Values are subtracted from the current value is -273 and the maximum 5'000. Thatinterval of time case just list each datasource in that order a problem for the latest news regarding,..., I shifted all amounts up by one update around 300 seconds ' the update is... Update time is set to be the current value is '' ' interested. Un outil formidable pour stocker des données et créer toute sorte de.. Are DS updates one * UNKNOWN * value so that you can see I. In which order do not try this with our test database, same... Documentation in the order, the temperature becomes * UNKNOWN * value letter! For a detailed explanation on how to specify time some point, UNMAINTAINED. The SYNOPSIS are explained in the SYNOPSIS are explained in the rra value acquired from the current.. The data source is UNKNOWN by giving it `` U '' as its value with shell programming, with. Directly from within perl see, I shifted all amounts up by one update 600 seconds, the as... Case, you still do know something does n't remember the time the first number ( )! Specification format used by rrdtool function takes two parameters: a `` start '' and `` end time. Which maintain a one-to-one mapping between primary data points and consolidated data.! Database file demo2.rrd which expects data from a single data-source, three.. Doc directory in further examples ) this is all expects data from a data-source. Are subtracted from the current time ``: '' call gets turned into Note is. Second is especially important when you know you do n't really see this! ) this is all the delta, between two momentsin time read cdeftutorial!