Questions tagged [retention]

When data is to be retained, downsampled, or eliminated from a: database, filesystem or other storage device use 'retention'.

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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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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…
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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
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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…
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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?
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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
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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
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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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