# Questions / Help

**URL:** https://community.fly.io/c/questions-and-help/11.md

[Latest](https://community.fly.io/latest.md) · [Categories](https://community.fly.io/categories.md) · [Tags](https://community.fly.io/tags.md)

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## [Sprite recovery request](https://community.fly.io/t/sprite-recovery-request/28835)

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**Author:** [@pr1](https://community.fly.io/u/pr1)\
**Replies:** 2\
**Last updated:** [October 16, 2026, 7:02am UTC](https://community.fly.io/t/sprite-recovery-request/28835 "2026-10-16T07:02:24Z")

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Sprite has been in unusable state for the last 20h or so. Many things have been attempted since it failed: waiting it out, restarting, updating… Error: failed to create checkpoint: API returned status 503: Storage not r…

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## [Sprite cannot start; restart returns HTTP 409 — requesting cause investigation](https://community.fly.io/t/sprite-cannot-start-restart-returns-http-409-requesting-cause-investigation/28832)

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**Author:** [@koozzz920](https://community.fly.io/u/koozzz920)\
**Replies:** 0\
**Last updated:** [October 16, 2026, 3:40am UTC](https://community.fly.io/t/sprite-cannot-start-restart-returns-http-409-requesting-cause-investigation/28832 "2026-10-16T03:40:50Z")

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One Sprite repeatedly failed to start on 2026-10-15 around 13:30–13:38 UTC. /check reported “failed to start machine” twice. An exec attempt failed after about 30 seconds. POST /restart returned HTTP 409: “upstream res…

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## [Fly Proxy resets a stalled HTTP stream after ~30s on edge and Flycast hops; http\_options.idle\_timeout has no effect](https://community.fly.io/t/fly-proxy-resets-a-stalled-http-stream-after-30s-on-edge-and-flycast-hops-http-options-idle-timeout-has-no-effect/28755)

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**Author:** [@nanodeath](https://community.fly.io/u/nanodeath)\
**Replies:** 4\
**Last updated:** [October 15, 2026, 9:20pm UTC](https://community.fly.io/t/fly-proxy-resets-a-stalled-http-stream-after-30s-on-edge-and-flycast-hops-http-options-idle-timeout-has-no-effect/28755 "2026-10-15T21:20:30Z")

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Hello fly.io team. I’ve been trying to get Navidrome+Symfonium working smoothly while hosted on fly.io, and it mostly works, but has some unexpected drops when streaming: the connection sometimes drops around 30 seconds …

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## [Requesting Sprites 16GB RAM limit - Biorender](https://community.fly.io/t/requesting-sprites-16gb-ram-limit-biorender/28831)

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**Author:** [@speedom8](https://community.fly.io/u/speedom8)\
**Replies:** 2\
**Last updated:** [October 15, 2026, 5:09pm UTC](https://community.fly.io/t/requesting-sprites-16gb-ram-limit-biorender/28831 "2026-10-15T17:09:11Z")

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Our organization, BioRender, is experimenting with Fly.io and we’re very interested in continuing. However, we’ll need bigger sprites using 16 gigabytes of RAM. Our org id is b4mxr and we’ve spun our application POC http…

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## [Sprite Can’t Connect: “Error: failed to start sprite command: Storage not ready”](https://community.fly.io/t/sprite-can-t-connect-error-failed-to-start-sprite-command-storage-not-ready/28785)

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**Author:** [@alvis](https://community.fly.io/u/alvis)\
**Replies:** 7\
**Last updated:** [October 15, 2026, 4:09pm UTC](https://community.fly.io/t/sprite-can-t-connect-error-failed-to-start-sprite-command-storage-not-ready/28785 "2026-10-15T16:09:39Z")

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My Sprite sprite-15c3de51-2ee8-473c-8580-0acfb4355786 is stuck cold, and both sprite console and sprite exec fail with Error: failed to start sprite command: Storage not ready I saw that Fly previously identified a volu…

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## [Sprite restarts by itself 1 to 3 minutes after waking from idle (reproducible, sbd storage)](https://community.fly.io/t/sprite-restarts-by-itself-1-to-3-minutes-after-waking-from-idle-reproducible-sbd-storage/28796)

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**Author:** [@Clinton](https://community.fly.io/u/Clinton)\
**Replies:** 3\
**Last updated:** [October 15, 2026, 12:45am UTC](https://community.fly.io/t/sprite-restarts-by-itself-1-to-3-minutes-after-waking-from-idle-reproducible-sbd-storage/28796 "2026-10-15T00:45:21Z")

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I have a Sprite that restarts by itself shortly after it wakes from idle, and I can reproduce it most times. Posting the details in case staff can see what is bringing it down. All times are UTC. The Sprite is named fore…

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## [Sprite storage daemon (juicefs / sbd) writes 30 to 100 MB/s to vdb while the guest is nearly idle](https://community.fly.io/t/sprite-storage-daemon-juicefs-sbd-writes-30-to-100-mb-s-to-vdb-while-the-guest-is-nearly-idle/28823)

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**Author:** [@epiphanylab](https://community.fly.io/u/epiphanylab)\
**Replies:** 1\
**Last updated:** [October 14, 2026, 11:31pm UTC](https://community.fly.io/t/sprite-storage-daemon-juicefs-sbd-writes-30-to-100-mb-s-to-vdb-while-the-guest-is-nearly-idle/28823 "2026-10-14T23:31:59Z")

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Several of our Sprites sit at 64 to 90% io pressure (some) and 37 to 73% (full) all day, while the processes we run on them do very little I/O. Tracing writeback inside the guest points at the platform storage daemon rat…

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## [Sprites on 0.0.2-beta.5 reboot repeatedly without a request and recover their journals each boot](https://community.fly.io/t/sprites-on-0-0-2-beta-5-reboot-repeatedly-without-a-request-and-recover-their-journals-each-boot/28806)

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**Author:** [@epiphanylab](https://community.fly.io/u/epiphanylab)\
**Replies:** 3\
**Last updated:** [October 14, 2026, 9:21pm UTC](https://community.fly.io/t/sprites-on-0-0-2-beta-5-reboot-repeatedly-without-a-request-and-recover-their-journals-each-boot/28806 "2026-10-14T21:21:30Z")

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The Sprites in our org run the same tenant container. The ones on runtime 0.0.2-beta.5 reboot far more often than the one on 0.0.1-rc48, and every boot recovers an ext4 journal. expansion-tenant-t005 (0.0.2-beta.5, cre…

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## [Some performance machines run 2 to 7 times slower than their twins, with low steal](https://community.fly.io/t/some-performance-machines-run-2-to-7-times-slower-than-their-twins-with-low-steal/28821)

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**Author:** [@pibble](https://community.fly.io/u/pibble)\
**Replies:** 1\
**Last updated:** [October 14, 2026, 2:16pm UTC](https://community.fly.io/t/some-performance-machines-run-2-to-7-times-slower-than-their-twins-with-low-steal/28821 "2026-10-14T14:16:44Z")

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Hello, We run a Node.js game server on dedicated-CPU machines. Some machines run the same work much slower than identical machines, while CPU steal stays low. We would like to know how to detect or avoid these hosts. O…

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## [Sprite CLI: Disable upgrade checks](https://community.fly.io/t/sprite-cli-disable-upgrade-checks/28790)

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**Author:** [@jonstacks13](https://community.fly.io/u/jonstacks13)\
**Replies:** 3\
**Last updated:** [October 14, 2026, 1:49am UTC](https://community.fly.io/t/sprite-cli-disable-upgrade-checks/28790 "2026-10-14T01:49:22Z")

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Hi! It looks like since sprites moved more into the fly.io docs, it might not be monitored as much so hoping to link the feature request here: Is it possible to disable the upgrade check? · Issue #216 · superfly/sprites-…

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## [Machines network policies: can egress rules cover ICMP and the internal DNS resolver? And is self-test traffic OK?](https://community.fly.io/t/machines-network-policies-can-egress-rules-cover-icmp-and-the-internal-dns-resolver-and-is-self-test-traffic-ok/28776)

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**Author:** [@SpaceLightning](https://community.fly.io/u/SpaceLightning)\
**Replies:** 4\
**Last updated:** [October 13, 2026, 10:14pm UTC](https://community.fly.io/t/machines-network-policies-can-egress-rules-cover-icmp-and-the-internal-dns-resolver-and-is-self-test-traffic-ok/28776 "2026-10-13T22:14:01Z")

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Hi all, I run untrusted, short-lived workloads on Machines inside an app with its own private network. The goal is that nothing a workload sends leaves the Machine. Two questions: Network policy scope. As far as I can…

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## [fly-proxy sends TCP keepalive probes every ~5 s on idle client connections, costly for cellular IoT](https://community.fly.io/t/fly-proxy-sends-tcp-keepalive-probes-every-5-s-on-idle-client-connections-costly-for-cellular-iot/28809)

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**Author:** [@EricM](https://community.fly.io/u/EricM)\
**Replies:** 2\
**Last updated:** [October 13, 2026, 6:56pm UTC](https://community.fly.io/t/fly-proxy-sends-tcp-keepalive-probes-every-5-s-on-idle-client-connections-costly-for-cellular-iot/28809 "2026-10-13T18:56:25Z")

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We run an MQTT broker on Fly (TCP service on 8883 with handlers = \["tls"\], MQTT keepalive 270 s). Our clients are battery-powered LTE-M devices. The Fly edge sends a zero-length TCP keepalive probe on every idle client …

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## [Does fly-proxy ever write buffered HTTP request bodies to disk, swap or temp files?](https://community.fly.io/t/does-fly-proxy-ever-write-buffered-http-request-bodies-to-disk-swap-or-temp-files/28794)

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**Author:** [@ChrisM74291](https://community.fly.io/u/ChrisM74291)\
**Replies:** 4\
**Last updated:** [October 13, 2026, 3:59pm UTC](https://community.fly.io/t/does-fly-proxy-ever-write-buffered-http-request-bodies-to-disk-swap-or-temp-files/28794 "2026-10-13T15:59:24Z")

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Hello, I’m trying to understand how fly-proxy handles HTTP request bodies before they reach an application, particularly buffering for retries or replays. Could someone from Fly clarify the current behavior? Is the …

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## [x86 Architecture Guarantee](https://community.fly.io/t/x86-architecture-guarantee/28811)

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**Author:** [@mpross34](https://community.fly.io/u/mpross34)\
**Replies:** 4\
**Last updated:** [October 13, 2026, 3:19pm UTC](https://community.fly.io/t/x86-architecture-guarantee/28811 "2026-10-13T15:19:49Z")

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We’re deploying a single image to a machine via “image=” property within our fly.toml file. We know in advance that image is compiled only for x86 CPU architectures; it will not run on ARM architectures. Thus far, no pr…

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## [Ephemeral secrets deployment](https://community.fly.io/t/ephemeral-secrets-deployment/28739)

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**Author:** [@fungs](https://community.fly.io/u/fungs)\
**Replies:** 4\
**Last updated:** [October 13, 2026, 12:03pm UTC](https://community.fly.io/t/ephemeral-secrets-deployment/28739 "2026-10-13T12:03:59Z")

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When deploying secrets from a third-party secret store to fly.io using fly secrets import, old or renamed secrets remain. Is there any recommended and simple way to clear all secrets before deploying new ones? A simple f…

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## [iptables xt\_owner unavailable, secure egress isolation alternatives?](https://community.fly.io/t/iptables-xt-owner-unavailable-secure-egress-isolation-alternatives/28808)

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**Author:** [@CMALAVASI](https://community.fly.io/u/CMALAVASI)\
**Replies:** 2\
**Last updated:** [October 12, 2026, 11:32pm UTC](https://community.fly.io/t/iptables-xt-owner-unavailable-secure-egress-isolation-alternatives/28808 "2026-10-12T23:32:32Z")

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Hello Fly.io community, I’m deploying a security-sensitive outbound HTTP fetching service on Fly Machines, using a Go API wrapper and Smokescreen as an HTTP proxy. The architecture requires the wrapper process (UID 100…

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## [local backup from mpg cluster fails](https://community.fly.io/t/local-backup-from-mpg-cluster-fails/28777)

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**Author:** [@bwhitford](https://community.fly.io/u/bwhitford)\
**Replies:** 2\
**Last updated:** [October 12, 2026, 8:41pm UTC](https://community.fly.io/t/local-backup-from-mpg-cluster-fails/28777 "2026-10-12T20:41:39Z")

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I have read the docs and tried the ‘fly proxy / pg\_dump’ process several times with no success. % fly proxy 5433:5432 -a appname % pg\_dump -h localhost -p5433 -U postgres -F c dbname\_db \> dump.sql My pg\_dump command c…

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## [JNB Capacity issues](https://community.fly.io/t/jnb-capacity-issues/28804)

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**Author:** [@rvzyl](https://community.fly.io/u/rvzyl)\
**Replies:** 1\
**Last updated:** [October 12, 2026, 2:44pm UTC](https://community.fly.io/t/jnb-capacity-issues/28804 "2026-10-12T14:44:01Z")

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Hi, we are hitting failed to launch VM: no capacity available in jnb errors. Can you please increase JNB capacity?

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## [Sprite failed to start: Storage not ready](https://community.fly.io/t/sprite-failed-to-start-storage-not-ready/28798)

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**Author:** [@tyanboot](https://community.fly.io/u/tyanboot)\
**Replies:** 2\
**Last updated:** [October 12, 2026, 8:58am UTC](https://community.fly.io/t/sprite-failed-to-start-storage-not-ready/28798 "2026-10-12T08:58:24Z")

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Hi, My Sprite sprite-98720adf-c1d6-4b9b-ae9c-1fb36c4182eb cann’t start, both url and console failed with “Storage not ready”. Does this releated to upgrade from 0.0.1-rc48to0.0.2? Could someone help restore my sprite a…

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## [New machines that mount a Staged secret via files are destroyed within 1 second](https://community.fly.io/t/new-machines-that-mount-a-staged-secret-via-files-are-destroyed-within-1-second/28795)

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**Author:** [@hazemsalem](https://community.fly.io/u/hazemsalem)\
**Replies:** 1\
**Last updated:** [October 11, 2026, 1:21am UTC](https://community.fly.io/t/new-machines-that-mount-a-staged-secret-via-files-are-destroyed-within-1-second/28795 "2026-10-11T01:21:11Z")

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In two apps, any new machine that mounts a Staged secret as a file is destroyed by flyd about 1 second after creation. There is no error and no log output. Config changes to the one existing machine are also ignored, and…

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## [Unable to authorize access: must authenticate with GitHub](https://community.fly.io/t/unable-to-authorize-access-must-authenticate-with-github/28793)

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**Author:** [@Legado](https://community.fly.io/u/Legado)\
**Replies:** 1\
**Last updated:** [October 10, 2026, 3:06pm UTC](https://community.fly.io/t/unable-to-authorize-access-must-authenticate-with-github/28793 "2026-10-10T15:06:17Z")

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Good Morning, I get this message " Unable to authorize access: must authenticate with GitHub account with access to organization 1 (got \[\])" and I’ve seen the different threats talking about it, but yesterday night eve…

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## [How to retrieve boot-stage diagnostics for a deleted ephemeral Machine?](https://community.fly.io/t/how-to-retrieve-boot-stage-diagnostics-for-a-deleted-ephemeral-machine/28787)

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**Author:** [@madeinwill369](https://community.fly.io/u/madeinwill369)\
**Replies:** 0\
**Last updated:** [October 10, 2026, 5:23am UTC](https://community.fly.io/t/how-to-retrieve-boot-stage-diagnostics-for-a-deleted-ephemeral-machine/28787 "2026-10-10T05:23:44Z")

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We have a short-lived Fly Machine used as an isolated BuildKit builder. One admitted attempt created the Machine, then it exited before it reached a started state. We captured an exit event but no boot-stage marker, exit…

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## [Anthropic Sprite Connector](https://community.fly.io/t/anthropic-sprite-connector/28786)

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**Author:** [@darrenl](https://community.fly.io/u/darrenl)\
**Replies:** 7\
**Last updated:** [October 10, 2026, 2:28am UTC](https://community.fly.io/t/anthropic-sprite-connector/28786 "2026-10-10T02:28:12Z")

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Hey all, can someone tell me if the Anthropic connector for Sprites is meant to be used with the Claude CLI agent? I configured the connector, restarted my Sprite, and it keeps saying: Not logged in \* Please run /login …

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## [An HTTP POST through the Sprite URL doesn't wake a paused Sprite (GET does)](https://community.fly.io/t/an-http-post-through-the-sprite-url-doesnt-wake-a-paused-sprite-get-does/28774)

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**Author:** [@mischiefdev](https://community.fly.io/u/mischiefdev)\
**Replies:** 4\
**Last updated:** [October 10, 2026, 12:38am UTC](https://community.fly.io/t/an-http-post-through-the-sprite-url-doesnt-wake-a-paused-sprite-get-does/28774 "2026-10-10T00:38:01Z")

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Summary Main issue. While a Sprite is paused, an HTTP POST to \<sprite-url\>/mcp (https://\<sprite\>-\<orgid\>.sprites.app) gets no response until the client times out. That happened in 6 of 6 tries: 90 s timeout ×4, 45 s ×2,…

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## [Blue-green deploy seems to keep adding more machines](https://community.fly.io/t/blue-green-deploy-seems-to-keep-adding-more-machines/28768)

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**Author:** [@danmartens](https://community.fly.io/u/danmartens)\
**Replies:** 8\
**Last updated:** [October 9, 2026, 3:10pm UTC](https://community.fly.io/t/blue-green-deploy-seems-to-keep-adding-more-machines/28768 "2026-10-09T15:10:39Z")

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I’ve switched one of our projects to the bluegreen deploy strategy, but now it seems like it it never “cleans up” old machines. I want to have 1 web process that stops after there is no activity for a few minutes (this i…

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## [Notification when machine state changed](https://community.fly.io/t/notification-when-machine-state-changed/28772)

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**Author:** [@flobishop](https://community.fly.io/u/flobishop)\
**Replies:** 1\
**Last updated:** [October 8, 2026, 3:38pm UTC](https://community.fly.io/t/notification-when-machine-state-changed/28772 "2026-10-08T15:38:10Z")

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Is it possible to be notified when machine state changed ?

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## [the \_acme-challenge CNAME had been proxied by Cloudflare, so renewal could never validate](https://community.fly.io/t/the-acme-challenge-cname-had-been-proxied-by-cloudflare-so-renewal-could-never-validate/28712)

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**Author:** [@supo](https://community.fly.io/u/supo)\
**Replies:** 4\
**Last updated:** [October 8, 2026, 12:29am UTC](https://community.fly.io/t/the-acme-challenge-cname-had-been-proxied-by-cloudflare-so-renewal-could-never-validate/28712 "2026-10-08T00:29:00Z")

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App kastov, org nicolas-615, hostname supo.live. The apex certificate expired 2026‑09‑25 17:50 UTC (my fault — the \_acme-challenge CNAME had been proxied by Cloudflare, so renewal could never validate). I fixed the DNS …

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## [How is Sprite RAM billed? Does it include Linux page cache?](https://community.fly.io/t/how-is-sprite-ram-billed-does-it-include-linux-page-cache/28745)

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**Author:** [@medinagtz](https://community.fly.io/u/medinagtz)\
**Replies:** 1\
**Last updated:** [October 7, 2026, 5:18pm UTC](https://community.fly.io/t/how-is-sprite-ram-billed-does-it-include-linux-page-cache/28745 "2026-10-07T17:18:24Z")

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Hi! I’m evaluating Sprites for a GitLab Runner that stays awake using a renewable Task and mostly waits for jobs. I’m trying to estimate its idle cost, but I couldn’t find the exact definition of billable RAM. Does the …

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## [Postgres Flex cluster has no writable primary, all nodes are in recovery](https://community.fly.io/t/postgres-flex-cluster-has-no-writable-primary-all-nodes-are-in-recovery/28767)

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**Author:** [@etm](https://community.fly.io/u/etm)\
**Replies:** 1\
**Last updated:** [October 7, 2026, 4:31pm UTC](https://community.fly.io/t/postgres-flex-cluster-has-no-writable-primary-all-nodes-are-in-recovery/28767 "2026-10-07T16:31:29Z")

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Hi, our Postgres Flex cluster suddenly became read-only even though it had been working normally before. Fly reports one machine as primary and the other two as replica, but PostgreSQL on all three machines returns: pg…

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## [Machine stuck in starting for ~15h after resume from suspend](https://community.fly.io/t/machine-stuck-in-starting-for-15h-after-resume-from-suspend/28766)

<div class="topic-metadata">

**Author:** [@rayko](https://community.fly.io/u/rayko)\
**Replies:** 1\
**Last updated:** [October 7, 2026, 1:24pm UTC](https://community.fly.io/t/machine-stuck-in-starting-for-15h-after-resume-from-suspend/28766 "2026-10-07T13:24:59Z")

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App hla-law-app, region fra, machine 784e1eefe2ee48 (single machine, shared-cpu-1x, 512 MB, volume vol\_r1jw5p5n7m1kme9r). Config: auto\_stop\_machines = "suspend", min\_machines\_running = 0. Timeline (UTC, 2026-10-06): 2…

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