TimescaleDB Compression ALTER Table Returns ERROR: query returned more than...
Hi everybody, when issuing the below SQL Command to set the compression settings: ALTER TABLE ej3.history_statistics SET ( timescaledb.compress, timescaledb.compress_segmentby = ‘“Postfachname”’ );...
View ArticleBest Backup and Restore Strategy for Migrating Pg13 + TDB 2.14.0 to Pg16 +...
Hello, I am currently running a TimescaleDB database in Docker with PostgreSQL 13 and TimescaleDB 2.14.0. I plan to migrate to PostgreSQL 16 with TimescaleDB 2.14.0 (initially) and would like to know...
View ArticleHypertable data corruption and autovacuuming
Hey, We are running a EC2 Ubuntu 24.04 x86_64 instance with timescaledb-ha:pg15.8-2.16.1 and we have experienced issues, when suddenly some of the hypertable chunks go into some weird state and...
View ArticleIngesting compressed parquet files into Timescale
I understand that hypertables or chunks within them are decompressed for constraint validation whenever data is inserted into a compressed hypertable. Is it also the case that a compressed file (for...
View ArticlePrepared statement wrong results with default behaviour and partitioning
Problem observed with pure postgres(“PostgreSQL 16.4 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 11.4.1 20231218 (Red Hat 11.4.1-3), 64-bit”) , but same is true for hypertables. drop table test2;...
View ArticleWhat about trieggers for each statement?
Hi all! I tried to create a trigger for each statement but the error occurred: SQL Error [0A000]: ERROR: trigger with transition tables not supported on hypertables This issue was raised on GitHub but...
View ArticleTimescaleDB performant linux host configuration doc
Is there a TimescaleDB specific performant linux host configuration doc or does TimescaleDB expect folks to find postgres specific docs? Thanks, Mike 1 post - 1 participant Read full topic
View ArticleSeeking Advice on Optimizing Continuous Aggregations for High-Frequency Data
System Overview Ingestion rate: ~3 million records per hour Main table structure: CREATE TABLE phasor_values ( "timestamp" TIMESTAMP WITH TIME ZONE DEFAULT now() NOT NULL, "mRID" UUID NOT NULL DEFAULT...
View ArticleNative postgres version faster than timescaledb - upserts and reads (version...
Hi! I recently wrote benchmarks for comparing the read and upsert speeds between postgres and postgres with timescaledb, and 2 additional databases (all containerized). The results, code, EXPLAIN...
View ArticleSkip scan not being used
In brief: Skip scan is not being used. TimescaleDB version: 2.16.1 PostgreSQL version: 16.4 Install method: Kubernetes using timescale/timescaledb-ha:pg16 image. Environment: Prod Here’s my table and...
View ArticleWhat is timescaledb-2-loader-postgresql package and what is timescaledb-tools...
Hi guys 3 timescaledb packages were installed for timescaledb, what is timescaledb-2-loader-postgresql package and what is timescaledb-tools package? Thanks # yum list installed | grep timescaledb`...
View ArticleIf can use postgresql logical replication to upgrade postgresql and...
Hi, We have pg14 timescaledb 2.14.2 databases want to use logical replication to do the upgrade, if logical replication to pg16 timescaledb 2.16.1 okay? (pg version upgraded, timescaledb upgraded) 1...
View ArticleResult weirdness with window query above
First, apologies if this is not the correct place to post this. I’m seeing weirdness with some window queries in TimescaleDB. I am inserting data into the table at one minute intervals, the time stamp...
View ArticleA upgrade issue：timescaledb 2.16.1 in pg16 upgrade to timescaledb 2.17 in pg17
OS: rockylinux8 When I was upgrading to pg17 and timescaledb2.17, I performed a pre-upgrade check [postgres@it-zbx-136 ~]$ /usr/pgsql-17/bin/pg_upgrade -b /usr/pgsql-16/bin/ -B /usr/pgsql-17/bin/ -d...
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Seeking Advice on Optimizing TimescaleDB for Time-Series Data
Hey everyone! I’m diving into TimescaleDB for a project that involves handling a ton of time-series data, and I’m looking for some tips or best practices from those who have experience with it....
View ArticleTimescale brew formula for error
Getting an error running: timescaledb-tune --quiet --yes exit: unknown major PG version: PostgreSQL 17.0 Looks like the brew tap could use an update. Tried this with EDB postgresql versions 16 and 17...
View ArticleData Outside Refresh Window Crashes Refresh
I’m executing this on a completely idle nearly empty database with no compression policy, one hypertable, and two continuous aggregates. I set up refresh policies with: start_offset => ‘1 month’...
View Article300m row ingestion into a hypertable per day
For context, I am building a database that has to deal with ingesting lots of crawled data per day. My schema is similar to the following: CREATE TABLE public.data ( timestamp TIMESTAMPTZ, id INT...
View ArticleSegment materialized view
Hi everyone, I have a consumption table that contains 10-minute interval consumption data from various IoT systems. Recently, I created a materialized view that adds additional information such as the...
View ArticleToolkit release plan
Excellent with postgresql 17 “support”. Any idea when toolkit will be available? It is holding us back from upgrading. BR 1 post - 1 participant Read full topic
View Article"Aggregated Compressed Column Not Found" Error on Single id_number...
We’re experiencing an intermittent issue with aggregation queries on compressed data in TimescaleDB (versions 2.16 and 2.17). Specifically, when querying a single id_number from a compressed...
View ArticleQuery Performance Comparison: Uncompressed vs. Compressed Data in TimescaleDB
Hello Team, I’ve been running some performance tests and encountered an interesting issue: reading from uncompressed data takes longer than reading from compressed data. Summary I’ve been testing...
View ArticleHow compatible is TimescaleDB with JSON or other data formats generated by...
I’m learning Playwright online, and they mentioned using TimescaleDB for storing test data in formats like JSON. Can the community provide guidance on the best ways to structure and store complex test...
View ArticleQuery combining two tables
I have two tables both containing a timestamp and a value. One Table has high frequency entried for the used kWh during the time period. The other is low frequency and has only entries when the...
View ArticleCannot enable chunk skipping after upgrading to 2.17.1
Hi, I upgraded Timescale from 2.16.0-dev to 2.17.1 and have been trying to use chunk skipping on a compressed hypertable. I do select enable_chunk_skipping ('hypertable_name', 'column_to_skip') but...
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