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Questions tagged [griddb]

GridDB is an open source time series database optimized for IoT and Big Data

GridDB is a highly scalable time series database best suited for Big Data and IoT. It is designed to handle time-sensitive IoT data across numerous sensors while maintaining consistency and durability.

GridDB Community Edition database server and client libraries are open-sourced under the AGPL v3.0 and Apache license respectively.

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Query returning no results even though data exists

I'm trying to retrieve data from a GridDB container using the Python API, but it's not returning any results. Here's my code: import griddb_python as griddb factory = griddb.StoreFactory.get_instance() store = factory.get_store( …
John Woods
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Data not being inserted into GridDB container

I'm trying to insert some data into a GridDB container using the Python API, but it doesn't seem to be working. Here's my code: import griddb_python as griddb factory = griddb.StoreFactory.get_instance() store = factory.get_store( …
John Woods
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Distributed Data Storage and Replication in GridDB

How does GridDB manage distributed data storage across multiple nodes in the cluster? and also how does the partitioning scheme used and how data is replicated for fault tolerance? .
Wassim
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GridDB - Define When and Where Data is physically stored in Memory

What is the criteria for when GridDB automatically flushes stale data to disk? The Intro mentions prioritization as CPU->Cache->Memory->Disk. I am also curious the level of data that is being flushed at once (rows within a container vs. partitions…
Paul Shumaker
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Timeout error when connecting to the GridDB database

I'm trying to connect to GridDB using the Python API, but I keep getting an error message. Here's my code: import griddb_python as griddb factory = griddb.StoreFactory.get_instance() store = factory.get_store( host='localhost', port=2406, …
John Woods
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Index mechanism used in GRIDDB

Griddb uses a hybrid indexing system that combines hash indexes and tree-based indexes. What advantages does it offer over a pure hash or tree-based approach? Is it similar to Adaptive Hybrid Index ?
GildedProtagonist
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Griddbs data partitioning implementation and impact on performance

Griddb uses a distributed architecture that partitions data across multiple nodes for scalability and fault tolerance. What are the different partitioning strategies used by Griddb, and how do they affect performance and data availability?…
GildedProtagonist
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LSM Tree VS GRIDDB's In memory's approach differences

TimescaleDB uses a hyper-table to store data. Since GRIDDB also doesn't use LSM trees like TimescaleDB but other databases like InfluxDB do what is the fundamental difference behind Memory first, and Storage second with other approaches? Is it just…
GildedProtagonist
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GridDB node.js client database connection error

I am following ThisDocument to install GridDB node.js client. But, stuck at last. The installation worked fine but during, Database connection process I got reference error. What reference does it require? What are the steps to connect grid DB…
GildedProtagonist
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"Exploring GridDB's Python Functions: Sending and Verifying Data Transmission to the Server"

Is there a pre-defined function available in GridDB for Python that can accomplish the same task as the code previously provided, which sends data to a GridDB server and receives a response indicating whether the data was successfully sent or…
Wassim
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Using R to plot a stacked bargraph but the legend does not show up , using GridDB as my database

I wrote an R function to read data from GridDB, and then plot a stacked bar graph. After reading the data from GridDB, I store it in a "tibble" ( not a full fledged data frame, a tibble is a simple data structure and can easily be fed to a POST Web…
Pratik Dwivedi
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Unable to access griddb via terminal while its installed on ubuntu

I have installed GridDB on my Ubuntu machine by following the official installation guide. However, I am unable to access it via the terminal. When I try to run griddb command in the terminal, it throws an error saying "command not found". I have…
junaid umer
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Receiving error with griddb-python package

I am trying to install griddb-python using pip !pip install griddb-python and recieving error of error: subprocess-exited-with-error python setup.py bdist_wheel did not run successfully. exit code: 1 [8 lines of output] running…
junaid umer
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How to debug R code that sends a Web API request

I am using R to call the web API of GridDB. GridDB is an in-memory database. Using R , I was able to successfully create containers( akin to tables) in the GridDB database, using a POST call to GridDB's prescribed "container creation" API, which…
Pratik Dwivedi
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Bulk reads and writes configuration

How can the GridDB configuration file be updated to enable bulk read and write operations? I want to configure GridDB to enable bulk reads, writes, and row updates simultaneously with minimum or no database locks.
Ammar Ubaid
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