When data is to be retained, downsampled, or eliminated from a: database, filesystem or other storage device use 'retention'.
Questions tagged [retention]
203 questions
0
votes
1 answer
Retention policy to aggregate several metrics with regular expression in graphite
We are storing metrics having build number in the metric name. Here is the format of the metric in graphite.
latency....average
Issue with above format is that buildNumber is ever changing value and in our case it…

Sameer Shah
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- 9
-1
votes
1 answer
Retention rate over years in POWER BI
I have the enrolment number which changes year by year, I want to calculate the retention Rate.
2017: 1137
2018:1128
2019:1002
2020:1063
2021:763
How to calculate the retention rate in this particular case.
A graph which shows the retention rate…
-1
votes
1 answer
Cohort retention with SQL BigQuery
I am trying to create a retention table like the following using SQL in Big Query but with MONTHLY cohorts;
I have the following columns to use in my dataset, I am only using one table and it's name is…

LA 212
- 35
- 6
-1
votes
1 answer
How to retain value and compute based on group of first month purchase the next amount of purchase in sql
i would like to create customer retention.
So i've this table :
id
date
purchase
1
2020-01
200
2
2020-12
100
2
2020-03
150
3
2020-03
200
1
2020-07
120
1
2020-08
300
3
2020-05
250
and i want this output :
purchase…

Max Mamazita
- 81
- 8
-1
votes
1 answer
How to configure retention period for a Azure Blob folder?
How to configure retention period for a Azure Blob folder?
I want to set a 7 days retention period for SQL Server log backups in Azure. How to configure in Azure Blob Storage?

AVB
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- 2
-1
votes
1 answer
Does DolphinDB support retention policy?
In InfluxDB I can create a two-hour retention policy like this:
> CREATE RETENTION POLICY "two_hours" ON "food_data" DURATION 2h REPLICATION 1 DEFAULT
In VictoriaMetrics, retention is configured with -retentionPeriod command-line flag. For…

Ju Piece
- 249
- 3
- 9
-1
votes
1 answer
R - Common users across months
I have a transaction table with the following columns:
TransactionId UserId YearMonth Group
What I am trying to accomplish is to get unique users across different months.
Eg:
YearMonth Group UsersCountMonth1 UsersCountMonth2…

d_luffy_de
- 967
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-1
votes
1 answer
RetentionPolicy of RUNTIME in old JRE?
What will happen when a Class or Interface who is annotated with an annotation of RetentionPolicy#RUNTIME is loaded in old JREs?
@FunctionalInterface // Java8 @Retention(RetentionPolicy.RUNTIME)
public interface MyFunctional {
}
Is above interface…

Jin Kwon
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