# \#history **URL:** https://community.temporal.io/tag/history/55.md [Latest](https://community.temporal.io/latest.md) · [Categories](https://community.temporal.io/categories.md) · [Tags](https://community.temporal.io/tags.md) --- ## [numHistoryShards recommendation for Cassandra](https://community.temporal.io/t/numhistoryshards-recommendation-for-cassandra/19800)
**Author:** [@parul\_rawat](https://community.temporal.io/u/parul_rawat)\ **Replies:** 1\ **Last updated:** [September 19, 2026, 3:59pm UTC](https://community.temporal.io/t/numhistoryshards-recommendation-for-cassandra/19800 "2026-09-19T15:59:01Z")
Hi all, Can anyone help us come up with a calculated number of numHistoryShards setting in Temporal which is immutable? For total 3 workflows: Our Temporal TPS: 30/s Our TPS is low but our waits schedules are high W… --- ## [Temporal history service pod consuming memory like memory](https://community.temporal.io/t/temporal-history-service-pod-consuming-memory-like-memory/19238)
**Author:** [@Jules\_Tamagnan](https://community.temporal.io/u/Jules_Tamagnan)\ **Replies:** 0\ **Last updated:** [February 2, 2026, 6:46pm UTC](https://community.temporal.io/t/temporal-history-service-pod-consuming-memory-like-memory/19238 "2026-02-02T18:46:57Z")
We are experiencing a situation where a single pod in our temporal-history-service deployment starts to act up. It begins to consume a lot of memory and open many connections to the backing postgres database. This is not… --- ## [Workflow failed with ProtocolMessageCommand referenced absent message ID](https://community.temporal.io/t/workflow-failed-with-protocolmessagecommand-referenced-absent-message-id/18419)
**Author:** [@davidp](https://community.temporal.io/u/davidp)\ **Replies:** 0\ **Last updated:** [September 25, 2025, 1:45pm UTC](https://community.temporal.io/t/workflow-failed-with-protocolmessagecommand-referenced-absent-message-id/18419 "2025-09-25T13:45:12Z")
Hello, I have a long running workflow, that accepts updates during its lifespan. If there are no updates for 24 hours, it completes after cleaning up some resources. Everything has been working fine, I ran several succ… --- ## [Continuous Growth in history\_node Table (Temporal + Cassandra)](https://community.temporal.io/t/continuous-growth-in-history-node-table-temporal-cassandra/18364)
**Author:** [@ishaq\_shaikh](https://community.temporal.io/u/ishaq_shaikh)\ **Replies:** 0\ **Last updated:** [September 18, 2025, 10:57am UTC](https://community.temporal.io/t/continuous-growth-in-history-node-table-temporal-cassandra/18364 "2025-09-18T10:57:49Z")
Hi all, We are running a self-hosted Temporal ( v1.27.1) deployment on Kubernetes, using Cassandra v5.0.2 as the persistence store. All namespaces are currently configured with a 30-day retention period. We’ve notic… --- ## [Temporal Child Workflow does not start with Istio Service Mesh setup](https://community.temporal.io/t/temporal-child-workflow-does-not-start-with-istio-service-mesh-setup/18289)
**Author:** [@shubham](https://community.temporal.io/u/shubham)\ **Replies:** 0\ **Last updated:** [September 3, 2025, 2:57pm UTC](https://community.temporal.io/t/temporal-child-workflow-does-not-start-with-istio-service-mesh-setup/18289 "2025-09-03T14:57:23Z")
Hi Temporal Team, We have Temporal with Istio deployed currently in our server, but we are seeing an intermittent issue that sometimes the Parent Workflow called “SignupWorkflow” is unable to start a Child Workflow call… --- ## [Migrate some workflows to another cluster](https://community.temporal.io/t/migrate-some-workflows-to-another-cluster/17285)
**Author:** [@travis.mcchesney](https://community.temporal.io/u/travis.mcchesney)\ **Replies:** 5\ **Last updated:** [May 6, 2025, 11:28am UTC](https://community.temporal.io/t/migrate-some-workflows-to-another-cluster/17285 "2025-05-06T11:28:43Z")
We have a requirement to migrate existing customers from one region to another within our platform (of which temporal is a part). Each region represents a separate temporal cluster. For this, we would like to be able to… --- ## [Issue with Active storage](https://community.temporal.io/t/issue-with-active-storage/16737)
**Author:** [@Vidit\_Sharma](https://community.temporal.io/u/Vidit_Sharma)\ **Replies:** 1\ **Last updated:** [March 16, 2025, 11:44pm UTC](https://community.temporal.io/t/issue-with-active-storage/16737 "2025-03-16T23:44:49Z")
I have multiple workflow running and for which active storage is coming high upto Active Storage - 535 GB-Hour --- ## [Identifying Out of Memory causing Temporal Workflows](https://community.temporal.io/t/identifying-out-of-memory-causing-temporal-workflows/10694)
**Author:** [@Dheeraj\_Agarwal](https://community.temporal.io/u/Dheeraj_Agarwal)\ **Replies:** 3\ **Last updated:** [January 3, 2025, 6:50pm UTC](https://community.temporal.io/t/identifying-out-of-memory-causing-temporal-workflows/10694 "2025-01-03T18:50:42Z")
Hi! I am using go-sdk to build Temporal workflows. I have many integration workflows being executed by the worker. I have allocated around 8GB memory to one Kubernetes pod /one worker. Suddenly we are seeing pod restarts… --- ## [How to get only new set of history events as workflow is progressing?](https://community.temporal.io/t/how-to-get-only-new-set-of-history-events-as-workflow-is-progressing/15578)
**Author:** [@Pavithra\_M](https://community.temporal.io/u/Pavithra_M)\ **Replies:** 6\ **Last updated:** [December 17, 2024, 1:51pm UTC](https://community.temporal.io/t/how-to-get-only-new-set-of-history-events-as-workflow-is-progressing/15578 "2024-12-17T13:51:54Z")
Hi Team, currently we are trying to publish notifications for history events of workflow execution as it progresses. We explored GetWorkflowExecutionHistory but it sends all the events from the start and not just recent… --- ## [Temporal History Server Errors](https://community.temporal.io/t/temporal-history-server-errors/2882)
**Author:** [@andrei](https://community.temporal.io/u/andrei)\ **Replies:** 10\ **Last updated:** [September 4, 2024, 9:19am UTC](https://community.temporal.io/t/temporal-history-server-errors/2882 "2024-09-04T09:19:10Z")
Hello, We’ve been having the following recurrent error pattern showing up on our development Temporal cluster happening every few seconds on one of the history servers: {"level":"error","ts":"2021-09-08T13:13:43.429Z",… --- ## [Increase Event History Size and Event History length](https://community.temporal.io/t/increase-event-history-size-and-event-history-length/13027)
**Author:** [@kishore\_kumar](https://community.temporal.io/u/kishore_kumar)\ **Replies:** 3\ **Last updated:** [August 20, 2024, 1:44pm UTC](https://community.temporal.io/t/increase-event-history-size-and-event-history-length/13027 "2024-08-20T13:44:45Z")
Hey ours is a self hosted temporal server. Yesterday we as encountered and issue with history size. Our workflow has hit the default temporal’s history size limit 50MB. So how can i increase this limit? Is there anyway… --- ## [Replay a history in the debugger](https://community.temporal.io/t/replay-a-history-in-the-debugger/334)
**Author:** [@Jacques\_Thomas](https://community.temporal.io/u/Jacques_Thomas)\ **Replies:** 7\ **Last updated:** [August 9, 2024, 4:50pm UTC](https://community.temporal.io/t/replay-a-history-in-the-debugger/334 "2024-08-09T16:50:13Z")
Hi, I am working on refining the error parsing/handling logic in my workflow code. If I remember correctly the demo I saw, it is possible to: download the history of a workflow (done) replay this history against the … --- ## [Temporal-History =\> Help us understand this error! =\> Task queue range ID was 240 when it was should have been 239](https://community.temporal.io/t/temporal-history-help-us-understand-this-error-task-queue-range-id-was-240-when-it-was-should-have-been-239/5036)
**Author:** [@omkar9194](https://community.temporal.io/u/omkar9194)\ **Replies:** 3\ **Last updated:** [July 7, 2024, 5:56pm UTC](https://community.temporal.io/t/temporal-history-help-us-understand-this-error-task-queue-range-id-was-240-when-it-was-should-have-been-239/5036 "2024-07-07T17:56:42Z")
Hey folks! A few days back we started seeing these errors in temporal-history Task queue range ID was 240 when it was should have been 239 query directly though matching on non-sticky failed This lead to a spike in s… --- ## [GetWorkflowExecutionHistory is taking a long time](https://community.temporal.io/t/getworkflowexecutionhistory-is-taking-a-long-time/11661)
**Author:** [@Mohammed1060](https://community.temporal.io/u/Mohammed1060)\ **Replies:** 0\ **Last updated:** [April 8, 2024, 9:03am UTC](https://community.temporal.io/t/getworkflowexecutionhistory-is-taking-a-long-time/11661 "2024-04-08T09:03:36Z")
Hi Team, We are observing a high response time for this api "gRPC/temporal.api.workflowservice.v1.WorkflowService/GetWorkflowExecutionHistory " Reaching upto 15 to 20sec in many instances. However this api gRPC/tempor… --- ## [Temporal service history Failed to update shard](https://community.temporal.io/t/temporal-service-history-failed-to-update-shard/10882)
**Author:** [@Ahmad\_Ricky\_Nazarrud](https://community.temporal.io/u/Ahmad_Ricky_Nazarrud)\ **Replies:** 0\ **Last updated:** [February 2, 2024, 4:15am UTC](https://community.temporal.io/t/temporal-service-history-failed-to-update-shard/10882 "2024-02-02T04:15:16Z")
Im running temporal server in production and when i try to view one of the workflow, it shows this error in temporal web ui and tctl command result Here is the temporal history service log: “msg”:“Persistent store… --- ## [Temporal history/matching service tuning](https://community.temporal.io/t/temporal-history-matching-service-tuning/2665)
**Author:** [@mr.pity](https://community.temporal.io/u/mr.pity)\ **Replies:** 1\ **Last updated:** [October 11, 2023, 7:51am UTC](https://community.temporal.io/t/temporal-history-matching-service-tuning/2665 "2023-10-11T07:51:50Z")
I’ve performed simple load testing on Temporal using this tool: GitHub - temporalio/maru: Benchmarks for Temporal workflows. After some resource adjustments and dynamic config changes, I stuck again with the following e… --- ## [Activity Log Export from Temporal Cloud to External Db](https://community.temporal.io/t/activity-log-export-from-temporal-cloud-to-external-db/9651)
**Author:** [@DemetriusNunes\_Tino](https://community.temporal.io/u/DemetriusNunes_Tino)\ **Replies:** 0\ **Last updated:** [September 28, 2023, 8:30pm UTC](https://community.temporal.io/t/activity-log-export-from-temporal-cloud-to-external-db/9651 "2023-09-28T20:30:09Z")
Hi there, Is there an easy way to export Workflow/Actitivy history logs to an external analytics db such as BigQuery? Ty. --- ## [Trying to understand how workflow code affects History Size of a Workflow](https://community.temporal.io/t/trying-to-understand-how-workflow-code-affects-history-size-of-a-workflow/9203)
**Author:** [@Dhiraj\_Bhakta](https://community.temporal.io/u/Dhiraj_Bhakta)\ **Replies:** 1\ **Last updated:** [August 16, 2023, 4:57pm UTC](https://community.temporal.io/t/trying-to-understand-how-workflow-code-affects-history-size-of-a-workflow/9203 "2023-08-16T16:57:03Z")
Lets take the above pseudo code for a workflow which invokes one activity taking a small input and returns a small output. The Code above and below the activity invocation involves referencing the big List. Is it safe… --- ## [History Service OOM exception](https://community.temporal.io/t/history-service-oom-exception/8865)
**Author:** [@Dhanraj](https://community.temporal.io/u/Dhanraj)\ **Replies:** 0\ **Last updated:** [July 17, 2023, 12:24pm UTC](https://community.temporal.io/t/history-service-oom-exception/8865 "2023-07-17T12:24:37Z")
Hi, We are seeing lot of OOM exceptions in History service pods. We are currently running 3 pods with each pod having 8gb of memory. We continue to see pods getting restarted when upper limit of memory is reached. Atta… --- ## [Errors on Temporal History Server](https://community.temporal.io/t/errors-on-temporal-history-server/8728)
**Author:** [@Lalit\_Kumar](https://community.temporal.io/u/Lalit_Kumar)\ **Replies:** 3\ **Last updated:** [July 4, 2023, 2:23pm UTC](https://community.temporal.io/t/errors-on-temporal-history-server/8728 "2023-07-04T14:23:14Z")
Hi team, After Cassandra node got crashed, we are getting below given error on temporal history node in stage environment, it coming so frequently, we are running on 1.15.2 version of temporal server. 2023-07-02T20:13:… --- ## [Querying active workflows by their history size](https://community.temporal.io/t/querying-active-workflows-by-their-history-size/1997)
**Author:** [@GreyTeardrop](https://community.temporal.io/u/GreyTeardrop)\ **Replies:** 5\ **Last updated:** [June 16, 2023, 2:26pm UTC](https://community.temporal.io/t/querying-active-workflows-by-their-history-size/1997 "2023-06-16T14:26:35Z")
Hi Temporal team! We are running some Temporal workflows in production, driven by certain user-generated events. Those workflows were not supposed to be long-running, and we expected them to have at most several hundred… --- ## [Error in History service with advanced visibility enabled](https://community.temporal.io/t/error-in-history-service-with-advanced-visibility-enabled/8108)
**Author:** [@ravikiran](https://community.temporal.io/u/ravikiran)\ **Replies:** 1\ **Last updated:** [May 3, 2023, 11:09am UTC](https://community.temporal.io/t/error-in-history-service-with-advanced-visibility-enabled/8108 "2023-05-03T11:09:13Z")
hi, we have setup a new Temporal cluster with advanced visibility enabled. We have created the index by following the documentation. server version: 1.20.1 ui: 1.14.0 ES: 7.10.2 All the services startup and workflow… --- ## [How to get All the stage Name and status in an execution](https://community.temporal.io/t/how-to-get-all-the-stage-name-and-status-in-an-execution/7643)
**Author:** [@AniketSinha](https://community.temporal.io/u/AniketSinha)\ **Replies:** 3\ **Last updated:** [March 24, 2023, 8:19pm UTC](https://community.temporal.io/t/how-to-get-all-the-stage-name-and-status-in-an-execution/7643 "2023-03-24T20:19:58Z")
I want to know the Name of all the stage and their status when i initiate a workflow. Is there any way to get this data from temporal. --- ## [History service memory usage](https://community.temporal.io/t/history-service-memory-usage/5569)
**Author:** [@ravikiran](https://community.temporal.io/u/ravikiran)\ **Replies:** 18\ **Last updated:** [February 22, 2023, 5:05am UTC](https://community.temporal.io/t/history-service-memory-usage/5569 "2023-02-22T05:05:26Z")
hi, We are seeing gradual increase in memory usage of History nodes over last few days (from 15% to 55%) Following errors are seen continuously in the logs {“level”:“error”,“ts”:“2022-07-26T07:08:01.073Z”,“msg”:“Unab… --- ## [Some clarifications about the "MaximumPageSize" parameter in the event history request](https://community.temporal.io/t/some-clarifications-about-the-maximumpagesize-parameter-in-the-event-history-request/7067)
**Author:** [@7eben](https://community.temporal.io/u/7eben)\ **Replies:** 2\ **Last updated:** [January 26, 2023, 6:09pm UTC](https://community.temporal.io/t/some-clarifications-about-the-maximumpagesize-parameter-in-the-event-history-request/7067 "2023-01-26T18:09:18Z")
Hello team. I have a curiosity, why the MaximumPageSize parameter in the event history fetch requests does not imply that the number of events returned is at most that amount? Running tests, if I specify a MaximunPageS… --- ## [Frontend error: "shard status unknown"](https://community.temporal.io/t/frontend-error-shard-status-unknown/6949)
**Author:** [@Dhiraj\_Bhakta](https://community.temporal.io/u/Dhiraj_Bhakta)\ **Replies:** 1\ **Last updated:** [January 17, 2023, 1:23pm UTC](https://community.temporal.io/t/frontend-error-shard-status-unknown/6949 "2023-01-17T13:23:15Z")
Getting a lot of these errors on frontend service while stress testing via maru. {"level":"info","ts":"2023-01-17T09:28:02.626Z","msg":"history client encountered error","service":"frontend","error":"shard status unknow… --- ## [What is the downside of having too many history(Or, And matching) pods (kubernetes)?](https://community.temporal.io/t/what-is-the-downside-of-having-too-many-history-or-and-matching-pods-kubernetes/6935)
**Author:** [@Dhiraj\_Bhakta](https://community.temporal.io/u/Dhiraj_Bhakta)\ **Replies:** 2\ **Last updated:** [January 16, 2023, 9:20am UTC](https://community.temporal.io/t/what-is-the-downside-of-having-too-many-history-or-and-matching-pods-kubernetes/6935 "2023-01-16T09:20:19Z")
Will having too many history pods lower throughput? If yes, why? (same question w.r.t matching pods) --- ## [Memory leak in Temporal History service v1.18.3](https://community.temporal.io/t/memory-leak-in-temporal-history-service-v1-18-3/6361)
**Author:** [@Dmitrii\_Davidyuk](https://community.temporal.io/u/Dmitrii_Davidyuk)\ **Replies:** 3\ **Last updated:** [November 2, 2022, 10:59pm UTC](https://community.temporal.io/t/memory-leak-in-temporal-history-service-v1-18-3/6361 "2022-11-02T22:59:11Z")
During our performance testing we noticed that the History service memory usage rises over time and does not decrease, even if there are no running workflows: We started 30k workflows, waited for all of them to complet… --- ## [Deleting the schedule broke the cluster in 1.18.2](https://community.temporal.io/t/deleting-the-schedule-broke-the-cluster-in-1-18-2/6302)
**Author:** [@Andrey\_Dubnik](https://community.temporal.io/u/Andrey_Dubnik)\ **Replies:** 5\ **Last updated:** [November 2, 2022, 7:30pm UTC](https://community.temporal.io/t/deleting-the-schedule-broke-the-cluster-in-1-18-2/6302 "2022-11-02T19:30:50Z")
Hi, After few experiments with the schedules we have managed to break the sandbox cluster. As it is a sandbox we can re-create it so not a big deal where it may be helpful in case there is bug . It all started with us … --- ## [History server context deadline exceed errors every hour](https://community.temporal.io/t/history-server-context-deadline-exceed-errors-every-hour/6090)
**Author:** [@rj.huangsir](https://community.temporal.io/u/rj.huangsir)\ **Replies:** 4\ **Last updated:** [October 27, 2022, 1:10am UTC](https://community.temporal.io/t/history-server-context-deadline-exceed-errors-every-hour/6090 "2022-10-27T01:10:04Z")
Hello, we’ve been having the following recurrent error happening every 18minute every hour on history servers: {"level":"error","ts":"2022-09-29T05:18:16.597Z","msg":"Operation failed with internal error.","error":"GetW… [Next page](https://community.temporal.io/tag/history/55.md?match_all_tags=true&page=1&tags%5B%5D=history)