# \#configuration **URL:** https://forum.scylladb.com/tag/configuration/141.md [Latest](https://forum.scylladb.com/latest.md) · [Categories](https://forum.scylladb.com/categories.md) · [Tags](https://forum.scylladb.com/tags.md) --- ## [Is it possible to install ScyllaDB 2026.1 on Debian 13 baremetal servers?](https://forum.scylladb.com/t/is-it-possible-to-install-scylladb-2026-1-on-debian-13-baremetal-servers/5379)
**Author:** [@Guy](https://forum.scylladb.com/u/Guy)\ **Replies:** 0\ **Last updated:** [May 24, 2026, 7:47am UTC](https://forum.scylladb.com/t/is-it-possible-to-install-scylladb-2026-1-on-debian-13-baremetal-servers/5379 "2026-05-24T07:47:12Z")
--- ## [Is it possible to downgrade SSTables from ms format (trie indexed) back to me (default in 2026.1)? Will upgradesstable rewrite sstables back to the old format?](https://forum.scylladb.com/t/is-it-possible-to-downgrade-sstables-from-ms-format-trie-indexed-back-to-me-default-in-2026-1-will-upgradesstable-rewrite-sstables-back-to-the-old-format/5373)
**Author:** [@Guy](https://forum.scylladb.com/u/Guy)\ **Replies:** 0\ **Last updated:** [May 20, 2026, 5:58am UTC](https://forum.scylladb.com/t/is-it-possible-to-downgrade-sstables-from-ms-format-trie-indexed-back-to-me-default-in-2026-1-will-upgradesstable-rewrite-sstables-back-to-the-old-format/5373 "2026-05-20T05:58:33Z")
--- ## [Errors with non NVMe disks, how can I fix them are they meaningful?](https://forum.scylladb.com/t/errors-with-non-nvme-disks-how-can-i-fix-them-are-they-meaningful/5366)
**Author:** [@Guy](https://forum.scylladb.com/u/Guy)\ **Replies:** 0\ **Last updated:** [May 14, 2026, 8:29am UTC](https://forum.scylladb.com/t/errors-with-non-nvme-disks-how-can-i-fix-them-are-they-meaningful/5366 "2026-05-14T08:29:46Z")
--- ## [Configuring kernel parameters for Scylla](https://forum.scylladb.com/t/configuring-kernel-parameters-for-scylla/5221)
**Author:** [@Viper](https://forum.scylladb.com/u/Viper)\ **Replies:** 1\ **Last updated:** [May 6, 2026, 4:34am UTC](https://forum.scylladb.com/t/configuring-kernel-parameters-for-scylla/5221 "2026-05-06T04:34:11Z")
Hello! Is there a current article on configuring kernel parameters for Scylla? I thought the scylla\_setup and scylla\_prepare scripts automatically configure the kernel, but, for example, these scripts don’t add HugePage… --- ## [How much RAM does ScyllaDB use?](https://forum.scylladb.com/t/how-much-ram-does-scylladb-use/5265)
**Author:** [@Guy](https://forum.scylladb.com/u/Guy)\ **Replies:** 0\ **Last updated:** [February 3, 2026, 8:58am UTC](https://forum.scylladb.com/t/how-much-ram-does-scylladb-use/5265 "2026-02-03T08:58:56Z")
--- ## [Help with installing the scylla-manager-agent, how do I configure the GPG key?](https://forum.scylladb.com/t/help-with-installing-the-scylla-manager-agent-how-do-i-configure-the-gpg-key/5242)
**Author:** [@Guy](https://forum.scylladb.com/u/Guy)\ **Replies:** 0\ **Last updated:** [January 13, 2026, 9:11am UTC](https://forum.scylladb.com/t/help-with-installing-the-scylla-manager-agent-how-do-i-configure-the-gpg-key/5242 "2026-01-13T09:11:52Z")
--- ## [How do I configure read and write concurrency configuration, and disk IO](https://forum.scylladb.com/t/how-do-i-configure-read-and-write-concurrency-configuration-and-disk-io/5236)
**Author:** [@Guy](https://forum.scylladb.com/u/Guy)\ **Replies:** 0\ **Last updated:** [January 7, 2026, 5:48am UTC](https://forum.scylladb.com/t/how-do-i-configure-read-and-write-concurrency-configuration-and-disk-io/5236 "2026-01-07T05:48:48Z")
--- ## [S3 backed storage experimentation](https://forum.scylladb.com/t/s3-backed-storage-experimentation/5171)
**Author:** [@Guillaume3004](https://forum.scylladb.com/u/Guillaume3004)\ **Replies:** 1\ **Last updated:** [December 1, 2025, 8:47am UTC](https://forum.scylladb.com/t/s3-backed-storage-experimentation/5171 "2025-12-01T08:47:32Z")
Installation details #ScyllaDB version: 2025.3.3 #Cluster size: 1 node os (RHEL/CentOS/Ubuntu/AWS AMI): Ubuntu Hello, I wanted to test out the experimental S3 backed storage for keyspaces but I am a bit confused abo… --- ## [How to enable https for all components of scylladb monitoring?](https://forum.scylladb.com/t/how-to-enable-https-for-all-components-of-scylladb-monitoring/5034)
**Author:** [@Gwenael](https://forum.scylladb.com/u/Gwenael)\ **Replies:** 2\ **Last updated:** [October 15, 2025, 4:03pm UTC](https://forum.scylladb.com/t/how-to-enable-https-for-all-components-of-scylladb-monitoring/5034 "2025-10-15T16:03:18Z")
Installation details #ScyllaDB version: ScyllaDB Monitoring 4.9.4 #Cluster size:8 os (RHEL/CentOS/Ubuntu/AWS AMI): RHEL Hello, I would like to enable https for components in ScyllaDB monitoring. I can see there are p… --- ## [Dropping a table does not reduce disk usage. Why?](https://forum.scylladb.com/t/dropping-a-table-does-not-reduce-disk-usage-why/5090)
**Author:** [@Anna](https://forum.scylladb.com/u/Anna)\ **Replies:** 1\ **Last updated:** [September 8, 2025, 9:04am UTC](https://forum.scylladb.com/t/dropping-a-table-does-not-reduce-disk-usage-why/5090 "2025-09-08T09:04:37Z")
I’m trying to free up disk space, but when I drop a table, it does not reduce the storage used by ScyllaDB. What’s happening? --- ## [Read errors in a cluster, IO setup failure, disk performance and optimizations](https://forum.scylladb.com/t/read-errors-in-a-cluster-io-setup-failure-disk-performance-and-optimizations/5033)
**Author:** [@Guy](https://forum.scylladb.com/u/Guy)\ **Replies:** 0\ **Last updated:** [August 4, 2025, 5:42am UTC](https://forum.scylladb.com/t/read-errors-in-a-cluster-io-setup-failure-disk-performance-and-optimizations/5033 "2025-08-04T05:42:14Z")
--- ## [How can I limit a ScyllaDB cluster to use less CPU and memory?](https://forum.scylladb.com/t/how-can-i-limit-a-scylladb-cluster-to-use-less-cpu-and-memory/5018)
**Author:** [@Attila\_Toth](https://forum.scylladb.com/u/Attila_Toth)\ **Replies:** 1\ **Last updated:** [July 29, 2025, 8:56am UTC](https://forum.scylladb.com/t/how-can-i-limit-a-scylladb-cluster-to-use-less-cpu-and-memory/5018 "2025-07-29T08:56:54Z")
Where can I set this? --- ## [Key rotation process for a compromised KMIP-managed encryption key in ScyllaDB](https://forum.scylladb.com/t/key-rotation-process-for-a-compromised-kmip-managed-encryption-key-in-scylladb/4787)
**Author:** [@Varun\_Arora](https://forum.scylladb.com/u/Varun_Arora)\ **Replies:** 1\ **Last updated:** [July 17, 2025, 9:21am UTC](https://forum.scylladb.com/t/key-rotation-process-for-a-compromised-kmip-managed-encryption-key-in-scylladb/4787 "2025-07-17T09:21:19Z")
We have set up a remote KMIP server and encrypted several tables, creating a new key for each table on the KMIP server. We would like to understand the process in case of a potential compromise. According to the document… --- ## [Getting address already in use error, number of client side connections](https://forum.scylladb.com/t/getting-address-already-in-use-error-number-of-client-side-connections/4905)
**Author:** [@Guy](https://forum.scylladb.com/u/Guy)\ **Replies:** 0\ **Last updated:** [June 12, 2025, 10:26am UTC](https://forum.scylladb.com/t/getting-address-already-in-use-error-number-of-client-side-connections/4905 "2025-06-12T10:26:23Z")
--- ## [Adding nodes to a cluster, getting errors, tags and versions](https://forum.scylladb.com/t/adding-nodes-to-a-cluster-getting-errors-tags-and-versions/4896)
**Author:** [@Guy](https://forum.scylladb.com/u/Guy)\ **Replies:** 0\ **Last updated:** [June 10, 2025, 4:54am UTC](https://forum.scylladb.com/t/adding-nodes-to-a-cluster-getting-errors-tags-and-versions/4896 "2025-06-10T04:54:53Z")
--- ## [Is it good to have a single separate physical SSD disk (not raid-0) for commitlog?](https://forum.scylladb.com/t/is-it-good-to-have-a-single-separate-physical-ssd-disk-not-raid-0-for-commitlog/4889)
**Author:** [@Guy](https://forum.scylladb.com/u/Guy)\ **Replies:** 0\ **Last updated:** [June 9, 2025, 3:47am UTC](https://forum.scylladb.com/t/is-it-good-to-have-a-single-separate-physical-ssd-disk-not-raid-0-for-commitlog/4889 "2025-06-09T03:47:34Z")
--- ## [New instance of AWS AMI ScyllaDB 5.2.8 failed to start Scylla Server](https://forum.scylladb.com/t/new-instance-of-aws-ami-scylladb-5-2-8-failed-to-start-scylla-server/4850)
**Author:** [@Amit\_Sahoo](https://forum.scylladb.com/u/Amit_Sahoo)\ **Replies:** 2\ **Last updated:** [May 26, 2025, 5:10am UTC](https://forum.scylladb.com/t/new-instance-of-aws-ami-scylladb-5-2-8-failed-to-start-scylla-server/4850 "2025-05-26T05:10:12Z")
Installation details #ScyllaDB version: 5.2.8 #Cluster size: single node aws AMI: Getting Below error: \[shard 0\] init - I/O Scheduler is not properly configured! This is a non-supported setup, and performance is ex… --- ## [Disabling or modifying the cpuset configuration, number of cores, CPU core mismatch](https://forum.scylladb.com/t/disabling-or-modifying-the-cpuset-configuration-number-of-cores-cpu-core-mismatch/4829)
**Author:** [@Guy](https://forum.scylladb.com/u/Guy)\ **Replies:** 0\ **Last updated:** [May 15, 2025, 5:24am UTC](https://forum.scylladb.com/t/disabling-or-modifying-the-cpuset-configuration-number-of-cores-cpu-core-mismatch/4829 "2025-05-15T05:24:31Z")
--- ## [Throttling of compaction, using configuration parameters](https://forum.scylladb.com/t/throttling-of-compaction-using-configuration-parameters/4789)
**Author:** [@Guy](https://forum.scylladb.com/u/Guy)\ **Replies:** 0\ **Last updated:** [April 29, 2025, 4:22am UTC](https://forum.scylladb.com/t/throttling-of-compaction-using-configuration-parameters/4789 "2025-04-29T04:22:34Z")
--- ## [Cpuset.conf - setup](https://forum.scylladb.com/t/cpuset-conf-setup/4433)
**Author:** [@bryam](https://forum.scylladb.com/u/bryam)\ **Replies:** 1\ **Last updated:** [April 18, 2025, 7:38am UTC](https://forum.scylladb.com/t/cpuset-conf-setup/4433 "2025-04-18T07:38:20Z")
Upgrade from 5.0 to 5.1 #ScyllaDB version: 5.1 #Cluster size: 3 nodes os amazon Linux 2023 Hello team, I am following documentation Upgrade Guide - ScyllaDB 5.0 to 5.1 | ScyllaDB Docs and to complete upgrade, it see… --- ## [Benchmarking with one node, how to properly configure I/O?](https://forum.scylladb.com/t/benchmarking-with-one-node-how-to-properly-configure-i-o/4745)
**Author:** [@Guy](https://forum.scylladb.com/u/Guy)\ **Replies:** 0\ **Last updated:** [April 16, 2025, 6:20am UTC](https://forum.scylladb.com/t/benchmarking-with-one-node-how-to-properly-configure-i-o/4745 "2025-04-16T06:20:00Z")
--- ## [Listening on 0.0.0.0](https://forum.scylladb.com/t/listening-on-0-0-0-0/4616)
**Author:** [@igors24](https://forum.scylladb.com/u/igors24)\ **Replies:** 1\ **Last updated:** [March 31, 2025, 6:26am UTC](https://forum.scylladb.com/t/listening-on-0-0-0-0/4616 "2025-03-31T06:26:37Z")
Installation details #ScyllaDB version: 6.2.3 #Cluster size: 3 os (RHEL/CentOS/Ubuntu/AWS AMI): Debian I want port 9042 to listen on all IP addresses. I am trying to configure networking as described in scylla.yaml… --- ## [Can I update configuration variables using help?](https://forum.scylladb.com/t/can-i-update-configuration-variables-using-help/4614)
**Author:** [@Guy](https://forum.scylladb.com/u/Guy)\ **Replies:** 0\ **Last updated:** [March 16, 2025, 3:05pm UTC](https://forum.scylladb.com/t/can-i-update-configuration-variables-using-help/4614 "2025-03-16T15:05:15Z")
--- ## [NTP configuration in ScyllaDB, can the Operator be used to configure?](https://forum.scylladb.com/t/ntp-configuration-in-scylladb-can-the-operator-be-used-to-configure/4609)
**Author:** [@Guy](https://forum.scylladb.com/u/Guy)\ **Replies:** 1\ **Last updated:** [March 16, 2025, 8:15am UTC](https://forum.scylladb.com/t/ntp-configuration-in-scylladb-can-the-operator-be-used-to-configure/4609 "2025-03-16T08:15:46Z")
--- ## [ScyllaDB Prometheus Graphana dashboard, using our own setup](https://forum.scylladb.com/t/scylladb-prometheus-graphana-dashboard-using-our-own-setup/4555)
**Author:** [@Guy](https://forum.scylladb.com/u/Guy)\ **Replies:** 0\ **Last updated:** [March 2, 2025, 4:54am UTC](https://forum.scylladb.com/t/scylladb-prometheus-graphana-dashboard-using-our-own-setup/4555 "2025-03-02T04:54:37Z")
--- ## [Error with WHERE…IN(x,y,z) query with a cartesian product over a maximum size](https://forum.scylladb.com/t/error-with-where-in-x-y-z-query-with-a-cartesian-product-over-a-maximum-size/4554)
**Author:** [@Guy](https://forum.scylladb.com/u/Guy)\ **Replies:** 0\ **Last updated:** [March 2, 2025, 4:38am UTC](https://forum.scylladb.com/t/error-with-where-in-x-y-z-query-with-a-cartesian-product-over-a-maximum-size/4554 "2025-03-02T04:38:43Z")
--- ## [Check ScyllaDB configuration in Docker container, is developer mode enabled?](https://forum.scylladb.com/t/check-scylladb-configuration-in-docker-container-is-developer-mode-enabled/4477)
**Author:** [@Guy](https://forum.scylladb.com/u/Guy)\ **Replies:** 0\ **Last updated:** [February 11, 2025, 7:26am UTC](https://forum.scylladb.com/t/check-scylladb-configuration-in-docker-container-is-developer-mode-enabled/4477 "2025-02-11T07:26:26Z")
--- ## [Affect of num\_tokens when all keyspaces have Tablets enabled](https://forum.scylladb.com/t/affect-of-num-tokens-when-all-keyspaces-have-tablets-enabled/4469)
**Author:** [@Guy](https://forum.scylladb.com/u/Guy)\ **Replies:** 0\ **Last updated:** [February 10, 2025, 7:39am UTC](https://forum.scylladb.com/t/affect-of-num-tokens-when-all-keyspaces-have-tablets-enabled/4469 "2025-02-10T07:39:55Z")
--- ## [Scylla Manager using Helm and configure S3 storage](https://forum.scylladb.com/t/scylla-manager-using-helm-and-configure-s3-storage/4282)
**Author:** [@yep\_blgdmbrl](https://forum.scylladb.com/u/yep_blgdmbrl)\ **Replies:** 1\ **Last updated:** [January 8, 2025, 12:55pm UTC](https://forum.scylladb.com/t/scylla-manager-using-helm-and-configure-s3-storage/4282 "2025-01-08T12:55:58Z")
Hi everyone, I’m trying to deploy Scylla Manager using Helm and configure S3 storage with Wasabi. Below is my values.manager.yaml: image: tag: 3.3.0 resources: limits: cpu: 200m memory: 256Mi requests: … --- ## [IOsetup error, aio-max-nr, ERROR: root: ... did not pass validation tests, it may not be on XFS and/or has limited disk space](https://forum.scylladb.com/t/iosetup-error-aio-max-nr-error-root-did-not-pass-validation-tests-it-may-not-be-on-xfs-and-or-has-limited-disk-space/4319)
**Author:** [@Guy](https://forum.scylladb.com/u/Guy)\ **Replies:** 0\ **Last updated:** [January 1, 2025, 5:55am UTC](https://forum.scylladb.com/t/iosetup-error-aio-max-nr-error-root-did-not-pass-validation-tests-it-may-not-be-on-xfs-and-or-has-limited-disk-space/4319 "2025-01-01T05:55:41Z")
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