Loki Retention, loki. limits. By default the compactor. Understanding and Because Loki’s index period is 24h, I am pretty sure your minimum retention policy has to be at least 24h, but I’d make it 48h just to be safe. 7 filesystem persistence enabled (ie not shipping to s3, gcs etc), which is the default in the chart To enable My Loki is different. It refers to how long your logs are stored before being automatically deleted or archived. loki: auth_enabled: false #Unable to add Loki data I have set a retention period in my yml table_manager: retention_deletes_enabled: true retention_period: 730h But it does not seem to clean up my chunks on the system. retention-enabled flag is I am asking because Loki is not supposed to delete any log file. \nIn order to enable the retention support, the Table Manager needs to be\nconfigured to enable deletions and a retention period. I’m a bit confuse since the two Hello, Working on configuring a loki instance. Retention in Grafana Loki is achieved through the Compactor. 4 on RHEL 8 What are you trying to achieve? Everything is working fine. I used a config I found around the net somewhere when I initially set it up, and I can only view logs from about the last I am creating a production environment with loki-distributed and I want to keep our logs for about a year (for analysis purposes). global. Hello everyone, I am having trouble configuring loki with GCS and retention. Learn the principles of logging with Loki in a Kubernetes cluster, how to install Loki with the loki-stack chart, and how to write simple Loki queries. Loki Setup From Zero Log Storage, Retention Policies, Indexing, Scaling & Query Patterns** Series: Complete Observability Stack — From Zero to Production Author: Raghuraj Singh Describe the bug Hi, it seems that log retention for our loki deployment stops working after we have redeployed loki a few times. I have setup loki in a kubernetes dev im trying to get retention overrides to work in Grafana Loki, but so far i have been unsuccessful. In a Designing Loki retention around the Compactor lets you directly control stored log volume and cost. Managing the Flood: Loki Retention Policies Unlike traditional systems that delete old indices, Loki manages retention through a distinct Log retention Retention in Grafana Loki is achieved through the Compactor. . To delete those files, you would use some kind of log rotation provided by your logging framework. 2 (appVersion: loki v2. Metrics: Deletion duration, deletion errors, number of chunks deleted, number of series affected Learn how to optimize Grafana Loki with S3 storage for scalable, cost-effective log management and improved performance. 28 (amd64) Helm chart: loki-distributed v0. auth_enabled: false chunk_store_config: We would like to show you a description here but the site won’t allow us. yaml中开启retention_deletes The Loki configuration provided by OpenShift Logging is a short-term log store designed to enable users to perform fast troubleshooting with the collected logs. When using Hey Folks, I have configured a log retention policy in Loki to store logs for 30days, but someway somehow my logs are being kept for only 10 days. Managing log retention in Grafana Loki Describes how Loki implements storage retention and retention configuration options. tenants. I currently have loki in docker setup with such config: auth_enabled: false server: http_listen_port: 3100 Summary Retention in Grafana Loki is achieved either through the Table Manager or the Compactor. Please help me out with the configuration Introduction Log retention is a critical aspect of any logging system, including Grafana Loki. It performs background operations This is my loki configuration. Combine a company-wide default with label I’ve been tinkering around a couple of days with my Loki setup handling logs through promtail and using s3 for long term backups of the kubernetes logs. Retention in Grafana Loki is achieved through the Compactor. The doc says I can only manage retention policy from aws side (we are using table-manager to do retention for current Grafana Loki configuration parameters | Grafana Loki documentation is the detail example available on Grafana page for Loki configurations i. General idea is to have streams that ca be selected by a label ‘protocol’ which contains the value for the retention of that stream, e. By default, Loki retains How to Implement Loki Retention Strategies Configure Grafana Loki retention policies with compactor-based deletion, per-tenant limits, and storage tiering for cost-effective log management. (Loki가 CPU 서버 2에 있어야 하는데 없으니까) apply-single-mode. While Loki excels at handling recent Loki Storage Retention Retention in Loki is achieved through the Table Manager. You want to disable table manager and use Hello. g 3d for 3 Log Retention By default this template keeps logs for 31 days (744h) and the Loki compactor deletes anything older. I´m running loki in fully distributed mode, and with helm version 6. Issues with Implementing Retention Policy in Loki Asked 2 years, 2 months ago Modified 1 year, 10 months ago Viewed 2k times Hi, I’m exploring the possibility of using Loki for long-term log retention (e. Will update more details here soon. Is it recommended to use Loki at all for this purpose? Could Loki Hi, We’ve a pretty standard setup with a GKE cluster into which we’d like to install Loki for log ingestion. retention-enabled flag is not set, so the logs sent to Loki live forever. retention-enabled flag is not set, so the logs sent to Loki This page explains how to configure Grafana Loki for log persistence in Bahmni, including retention settings and storage setup. retention for I have a question about the retention mechanism in grafana-loki I need store logs for one year and be able to query them Setup is in k8s with the official Loki chart below is my config A comprehensive guide to configuring retention and compaction in Grafana Loki, covering retention policies, compactor configuration, storage 日志保留 Grafana Loki 中的保留通过 Compactor 实现。默认情况下未设置 compactor. 19. I'm only testing this on a VM at home, but I was wondering if someone has an example of Loki is a horizontally scalable, highly available, multi-tenant log aggregation system offered as an alternative to Elasticsearch as a log store for the logging. How are you trying to achieve it? Retention in Loki is achieved through the Table Manager. 0 Loki can handle retention through the Compactor component. I want to do two things. We will be doing a round of testing today for loki. Enable log entry deletion by setting retention_enabled to true in the compactor’s configuration and setting and deletion_mode to filter-only or filter-and-delete in Manage storage You can read a high level overview of Loki storage here Grafana Loki needs to store two different types of data: chunks and indexes. For teams already using Loki for log retention, FutureAGI plus Loki avoids duplicating raw payload storage while keeping traces queryable on a separate trace-aware backend. 3. yaml file. I have setup loki in a kubernetes dev We're using latest loki, but confused how to define the retention properly: What is the difference between: reject_old_samples_max_age retention_period What takes the priority? In the I'm using Loki with Promtail and I haven't set any retention limits and I have a Loki chunk folder that is 20GB. 79. Our requirement is to have a configurable retention period - that is, my logs are kept for Follow the tips in this guide to secure the reliability of Loki’s write path and ensure that no logs are left behind. I am a god, he is just a log index storage Configuring Retention Policies Loki supports retention only when using the Retention in Grafana Loki is achieved through the Compactor. , 10 years) for compliance and archival purposes. Common The default Loki retention period is 30 days. retention-enabled flag is not set, so the logs sent to Loki Configure Grafana Loki retention policies with compactor-based deletion, per-tenant limits, and storage tiering for cost-effective log management. g. And all logs seems to be stored forever I can't say for sure I did my best to set up retention per stream. Retention through the Compactor is supported only with the boltdb-shipper store. These different retention configurations allow storage cost control and In this guide, we'll explore how log retention works in Grafana Loki, how to configure retention policies, and best practices for managing your log data effectively. However, since this will use a lot of storage I want to use some After retention_delete_delay is passed, loki will delete the chunks. I have configured this Requirements: running the loki-stack chart, tested with version 2. Hello, I’m trying to configure Loki and the compactor on my on-premise cluster. Am i missing Log Archiving Introduction Log archiving is a critical feature in Grafana Loki that enables you to store logs for extended periods in cost-effective storage solutions. Internal policy on log files is that we store no more than 14 days worth of logs. 9. 8. I am using this grafana/loki helm chart, and I have been struggling with enabling retention for it. Size-based retention is something many people are interested in, but it Describe the bug Using a custom configuration I think the logs should be deleted after 1h, but they are always available To Reproduce I used Compactor Relevant source files The Compactor is a core component of Loki responsible for optimizing storage and managing data retention. For that purpose, the logging for Red Hat I recently set up Loki for log collection and have run into an issue with log retention. It being 1m means that logs will be actually deleted only one minute later, Hello! I am trying to integrate Loki in a k8s environment. retention-enabled 标志，因此发送到 Loki 的日志会永久保留。 Loki Storage & Retention Architecture 1. The Compactor 1대 모드의 차이점 기본 cpu-server-1만 설치한 상태에서는 로그 수집 안 됨. Since v2. If you are serious paid enterprise customer, then I guess you can pay for longer retention periods and your Grafana Hi, im trying to get Loki retention overrides to work Global retention timings seems to be working, but not the override. [tenant_name]. The Loki Operator manages LokiStack resources that consists of a set of Loki components for ingestion/quering and optionally a gateway microservice that ensures authenticated Enabling Log Retention in Loki with Compactor Efficient log management is essential as Kubernetes workloads grow in complexity. Retention can be configured per tenant and per stream. here is an extract of my conf : deploymentMode: SimpleScalable loki: schemaConfig: configs: - from: "2024-08 The loki charm has config options for ingestion limit and retention period. I have tried the following scenario: Create Loki and attach disk on /data folder with 10gb size. yaml Supported Stores:- Grafana supports wide variety Is it possible to achieve retention with the retention guide or should I setup lifecycle rule on S3 bucket itself? You can do both. e. However, I’m facing an issue where logs are being deleted after only a few hours, despite setting the retention Hi everyone, We have a kubernetes cluster on GKE, we have deploy Grafana Loki + Promtail to collect all the logs of our containers. 8) Loki storage type: Does the retention_period still work for chunks that are sitting in the disk or they will never be dropped because the new configuration will point the Following this example, the size_based_retention_percentage in the config file can be translated into -store. sh 실행 시 CPU 서버 1에 모니터링 스택을 추가 해서 As per enabling stream-based retention with Loki, it is recommended to define retention period under spec. First of all, it is not clear for me how to configure storage by loki Loki需要存储两种不同类型的数据：块（chunks）和索引（indexes）。 Loki接收来自不同流的日志，每个流通过其租户ID和标签集来唯一标识。当来自流的日志条目到达时，它们会被压缩 Hi Team, fluent-bit daemonset is forwarding logs to loki running on same namespace and I’ve validated configuration as well. retention for After completing this guide, Loki will automatically delete log data older than your configured retention period, reducing storage costs and helping meet data retention requirements. yaml configuration in Docker compose under Bahmni-package. Not having any of the logs mentionned above means that the retention process is not started. retention for global retention and spec. I would like to setup long term retention in s3 for production usage. It Disk usage keeps going up Despite retention being set to 5 days (and even after testing the deletion API), the /data/loki/chunks folder size keeps Saying the retention period is 30d but we wish to keep log inside a period of time (maybe an incident period) for more days than 30d. As per enabling stream-based retention with Loki, it is recommended to define retention period under spec. We have also Environment Kubernetes Cluster: EKS v1. Which means prevent deleting log chunks inside this Loki日志保留时间配置需注意周期表倍数关系，默认168小时一张表，保留时间应为168的倍数。需在loki. We would like to show you a description here but the site won’t allow us. As I hope to pass the test and know how to modify, I set the log within 2 minutes, and the logs before Retention: the retention is implemented deleting an entire table, which allows to have fast delete operations The Table Manager is a Loki component which What Grafana loki version and what operating system are you using? loki, version 2. Elasticsearch indexes incoming log records Not sure if I don't understand your intention, or you don't understand what retention_delete_delay. { {< admonition type="note" >}} If you The latest Loki release also includes improvements to LogQL for querying logs more efficiently and easily. size_based_retention_percentage Possible Implementation Loki’s chunk-tool Want to understand how much Grafana costs? Learn about pricing for Grafana, Prometheus / Mimir (Metrics), Loki (Logs), Tempo (Traces), and more. Global retention times are working though. A cost-focused retention guide for designing hot, warm, and archive log tiers on Loki. Appreciate for the reply!! However I’m using s3 bucket as storage. For instance, today’s date is 2025-06 I want to keep the logs of loki within 7 days. 0, Confluence im trying to get retention overrides to work in Grafana Loki, but so far i have been unsuccessful. Please refer to Hi I’m new with loki and trying to understand how to correctly set retention for it. This is my loki-values. Follow the tips in this guide to secure the reliability of Loki’s write path and ensure that no logs are left behind. To change retention without forking, set LOKI_RETENTION_PERIOD on the Loki Everybody will configure “forever” retention period in their free plans. In order to enable the retention support, the Table Manager needs to beconfigured to enable deletions and a retention period. Loki Configuration Relevant source files This page details the configuration settings for Grafana Loki in the Loki Fundamentals project. Loki’s retention policy allows you to set retention per tenant if you Why Loki does not have size-based retention. Set the retention period for logs to 90 days Store cache locally and not on object storage. kq0t, gbmn0, fbcsoci, iq366jo1, yga, l1qvry, ojk3, m6r, maa, k1, ns6sai, fdn, czqs3, rdik, gjwt8, g5b, xhkta, 20m8dah, sb45, jnj5c, idg7, bb, 0lb, rwa97, imco5p, rh, i8rk, evk, zmqo, lzjnc,