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Questions tagged [distributed-database]

Anything related to distributed databases and the techniques and the tools used to manage them. A distributed database is a database whose information is not stored in a single physical location, but it is spread over various devices, often placed far apart.

Anything related to distributed databases and the techniques and the tools used to manage them. A distributed database is a database whose information is not stored in a single physical location, but it is spread over various devices, often placed far apart.

188 questions
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How to modify tidb default GLOBAL variables like "tidb_replica_read" value in TiDB

Concept: https://pingcap.com/docs/dev/follower-read/ For detailing, i have also asked the question in here: https://github.com/pingcap/tidb/issues/17650 While getting value of tidb_replica_read config param, it shows "leader" by DEFAULT. Document of…
rachitmanit
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How do I setup the deletion of old logs?

After running yugabyte db for some time, I see that the logs are never deleted. How can I configure the server to delete old logs ?
Edward Ribbery
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Is one source to many target cluster replication supported by YugabyteDB’s 2-DC async replication mechanism?

For the 2-DC feature described here (https://docs.yugabyte.com/latest/deploy/multi-dc/2dc-deployment/), is one source to multiple target cluster configuration supported?
Ricardo Adam
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Is there support for BLOBs in YugabyteDB like in Oracle or Postgres?

Since YugabyteDB is a Postgres based implementation, will Postgres large objects( https://www.postgresql.org/docs/9.2/largeobjects.html) work in YSQL?
Diana Garcia
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Can I take advantage of Yugabytes compatability?

Yugabyte seems to support Redis, Cassandra and SQL queries. Do they work with each other? For example, can I write data with Cassandra API and later perform SQL queries against them?
Edward Ribbery
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Error starting yugabyte as per shown in docs

I ran yb-ctl create as specified at https://download.yugabyte.com/local#linux and ran into these errors 13:10 $ bin/yb-ctl create Creating cluster. Waiting for cluster to be ready. Viewing file…
Charlie O'Riely
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Change from local to external host

I am running yugabyte using yb-ctl create. I am using --rf 3 to create a 3 node cluster. How can make it listen on the external IP address instead of localhost? And run on three different IPs?
Ricardo Adam
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Speeding up cassandra queries if nodes are offline

Working code: using System; using Cassandra; namespace CassandraSelectTest { class Program { static void Main(string[] args) { var cluster = Cluster.Builder() …
oshirowanen
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Does YugaByte DB support online schema changes, especially the ability to add new columns to an existing table

Can you share any information on the impact of an “add column” type of operation when workload is still running/real deployment scenarios? We would like to know about this capability for both YSQL and YCQL APIs of YugabyteDB.
David Bruner
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Is pgbench supported for YugaByte DB?

When I tried to run pgbench, during the initialization phase, ran into an error that “This ALTER TABLE command is not yet supported.” See details below: $ pgbench -i -U postgres -d postgres -p 5433 -h 127.0.0.1 NOTICE: table "pgbench_branches"…
Diana Garcia
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Is it possible to debug a query sooner?

Is there a way to look at the currently active requests (YSQL/YCQL) on a YugaByte node? I have noticed that some queries take a long time, and looking for ways to debug this.
Edward Ribbery
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Data can't be written in dolphindb distributed database

I built a distributed database in dolphindb to store stock minute data. I partitioned the data by date and symbols and append the data using the following script for testing. I'm confused why the last query return 0? data = loadText…
HIPO.L
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Does YugaByte’s SQL support index attributes inside a JSONB column?

I was looking for index attributes inside a JSONB column but was unable to find this in the documentation.
Ricardo Adam
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looking for NOSQL distributed database with notify system

I am looking for a NOSQL distributed database that has the ability to notify after data changed (as such as call a web service)
mehrdad
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How to split horizontally table on multiple zones?

I want to split data on multiple tiKV because I have Swiss, Europeans and Americans and I need to store data in citizen country. The user’s table has a country code and automatically data are stored in a good zone (tikv --label zone=ch/eu/us). How…
Nicolas
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