ip-country | IP addresses / Countries stuff: ripe-country-ips, ip2country, etc | Database library
kandi X-RAY | ip-country Summary
kandi X-RAY | ip-country Summary
IP addresses / Countries stuff: ripe-country-ips, ip2country, etc.
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QUESTION
I'm running independent ksql-server
in 3-nodes talking to a Kafka
cluster of 3-nodes. Created a Stream
from Topic
with 15 partitions and data is in the Stream for some enrichment. Got a piece of code as UDF
to do a lookup into the IP2Location.bin file and the UDF
class looks like:
ANSWER
Answered 2019-Apr-10 at 16:44Question1: How exactly the udf call would be called/invoked by KSQL?
Not sure what you mean. Once your UDF is made available to KSQL (see https://docs.confluent.io/current/ksql/docs/developer-guide/udf.html#deploying), you can call the UDF in your KSQL statements as IP2LOOKUP
. You can also run SHOW FUNCTIONS
in KSQL to confirm that your UDF is available for use.
Perhaps you are asking because of your next question? KSQL will call your UDF one message at a time.
Question2: Could I use threads handling the requests in udf?
Why would you want to do that? Are you concerned that KSQL, with your current UDF code, would not be able to handle the incoming data volume? Speaking of which, what is the expected data volume that you attempt to handle, because maybe you are trying to do premature optimization?
Also, without knowing more details, I don't think a multi-threaded setup for your UDF would yield any advantages, because the UDF, when called, would still only process one message at a time (per KSQL server or, more precisely, per stream task, of which there can be many per KSQL server; I am mentioning this to make it clear that UDFs in KSQL are not bottlenecking your processing by processing only a single message across all servers; the processing is of course distributed and happens in parallel).
Question3: Being the Topic/Stream is of 15 partitions, should I spin-up 15 nodes of ksql-servers?
This depends on your data volume. You can spin as many or as few KSQL servers as you want. If the data volume is low, a single KSQL server might suffice. If data volume is higher, you can start launching additional KSQL servers up to a maximum of 15 servers (because the input topic has 15 partitions). Any additional KSQL servers would be idling.
In the scenario that 15 KSQL servers wouldn't be sufficient, you should increase the number of partitions for your input topic from 15 to a higher number, and then you can also launch more KSQL servers (which thereby increases the compute capacity of your setup).
QUESTION
I am trying to use geo location ip db from this service:
https://lite.ip2location.com/database/ip-country-region-city
I imported the csv file to my mysql database.Now my table has 2,716,854 rows. My queries are very slow.
My table sql:
...ANSWER
Answered 2020-Jan-06 at 14:20Replace SELECT * with SELECT and list fields you actually need. Currently you are returning fields that are not required like ip_from & ip_to
QUESTION
I have the following line in my haproxy config:
...ANSWER
Answered 2019-May-04 at 14:12By default, map
will match by string, not by ip. From the docs:
map_([,])
... If the
is not set, it defaults to "str" ...
To match by ip use map_ip
:
QUESTION
My application seems to work ok if I have 2 records or less in my database, but if I add more data then I got this warning in maven and error in the response:
...ANSWER
Answered 2019-Mar-02 at 23:54The reason is your get method:
QUESTION
Since a few days I'm working with this free and open source database that lists all IP addresses in the World.
My goal is to create a database that could list:
- All
country_code
in the world - All
city_name
in the world taken once Latitude
andlongitude
of each city- A countdown order
desc
on thecountry_code
and I did it:
...ANSWER
Answered 2018-Jul-28 at 10:21countdown_order
is a column alias. You can't reference to the column alias at the same level.
However, you can do it at a higher level like a derived table or cte
QUESTION
I'm working on an OpenSource and free database provided by IP2Location that lists tons of IP addresses from internet.
You can download it from here.
My main interest aren't IP addresses: I want to have 1 geographical coordinate for each city per country.
The query I have now returns me doubles:
...ANSWER
Answered 2018-Jul-27 at 11:59Edit If you can have the same city in different country_code, you just write that into the partition by as well. Otherwhise it should be something like this:
QUESTION
Having IPv4 address ranges for a given country, how would one generate random address? For example, a single current set of ranges (one of many) for Singapore is:
...ANSWER
Answered 2018-May-17 at 10:08Here is a testable implementation (in JavaScript since that can be run directly here) and a little bit of a description.
First you need to generate random number from the specified range. If you have a function (let's call it random
) that generates random real numbers between 0 and 0.999... [0,1)
then you can do this.
QUESTION
I actually try to write JSON in a data.csv file. I tried following solution from stackoverflow: How do I write a Python dictionary to a csv file?
So I come up with these:
...ANSWER
Answered 2018-Jan-06 at 18:25Markus = {'data': {'user': {'name': 'Markus Goldstein',
'repositories': {'nodes': [{'forkCount': 0,
'issues': {'totalCount': 0},
'name': 'repache'},
{'forkCount': 4,
'issues': {'totalCount': 3},
'name': 'nf-hishape'},
{'forkCount': 4,
'issues': {'totalCount': 7},
'name': 'ip-countryside'},
{'forkCount': 42,
'issues': {'totalCount': 29},
'name': 'bonesi'},
{'forkCount': 13,
'issues': {'totalCount': 3},
'name': 'rapidminer-anomalydetection'},
{'forkCount': 0,
'issues': {'totalCount': 0},
'name': 'rapidminer-studio'}]}}}}
with open('Markus.csv', 'w') as markus:
print ('name,forkCount,issues', file=markus)
for node in Markus['data']['user']['repositories']['nodes']:
print ('{},{},{}'.format(node['name'], node['forkCount'], node['issues']['totalCount']), file=markus)
QUESTION
I have a CSV file that has fixed number of columns, the first record is always the column field names followed by the data. I want to append a new calculated column, for the new column calculation - I want to call Invoke-WebRequest
passing in data from an existing field and store the returned data as the appended field value.
Example of existing log.csv file:
...ANSWER
Answered 2017-Dec-12 at 00:54Simply use the property from which you want to derive the value of the new column in the expression of the calculated property:
QUESTION
I am using ip2location to find out location of a list of ip address in a file called output.txt and write the answer in another file ip_info.txt.I want to write only those entries in my file whose ip address is of US.The following is my code for doing this.
...ANSWER
Answered 2017-Jun-21 at 04:40if(rec.country_short == 'US')
is not valid Python.
Did you mean:
if rec.country_short == 'US':
?
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