René's URL Explorer Experiment


Title: cluster: handle zero-token host refresh races by dkropachev · Pull Request #4 · dkropachev/python-driver · GitHub

Open Graph Title: cluster: handle zero-token host refresh races by dkropachev · Pull Request #4 · dkropachev/python-driver

X Title: cluster: handle zero-token host refresh races by dkropachev · Pull Request #4 · dkropachev/python-driver

Description: ScyllaDB Python Driver, originally DataStax Python Driver for Apache Cassandra - cluster: handle zero-token host refresh races by dkropachev · Pull Request #4 · dkropachev/python-driver

Open Graph Description: Summary Keeps zero-token hosts in topology while excluding zero-token and in-flight hosts from query plans. Cleans up failed host additions and fences host-add generations so stale futures cannot ...

X Description: Summary Keeps zero-token hosts in topology while excluding zero-token and in-flight hosts from query plans. Cleans up failed host additions and fences host-add generations so stale futures cannot ...

Opengraph URL: https://github.com/dkropachev/python-driver/pull/4

X: @github

direct link

Domain: github.com

route-pattern/_view_fragments/voltron/pull_requests/show/:user_id/:repository/:id/pull_request_layout(.:format)
route-controllervoltron_pull_requests_fragments
route-actionpull_request_layout
fetch-noncev2:d2822901-d011-1915-d757-cb436f4820ce
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-id8FBA:B1628:102127D:171A935:6A5A0764
html-safe-nonce87dfe5d63f193121eec7bb3260b9e0d0975f9c07afe57c6427d47a3f3a0445a5
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI4RkJBOkIxNjI4OjEwMjEyN0Q6MTcxQTkzNTo2QTVBMDc2NCIsInZpc2l0b3JfaWQiOiIxNzY2MjY1MDc5ODk1NTU3OTg4IiwicmVnaW9uX2VkZ2UiOiJpYWQiLCJyZWdpb25fcmVuZGVyIjoiaWFkIn0=
visitor-hmacf1c8af8ae8beb153572247437149d8339a64e9b00d4c30c3ff413acfaec39ad6
hovercard-subject-tagpull_request:3636550732
github-keyboard-shortcutsrepository,pull-request-list,pull-request-conversation,pull-request-files-changed,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///voltron/pull_requests_fragments/pull_request_layout
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/_view_fragments/voltron/pull_requests/show/dkropachev/python-driver/4/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/adafa4dfbe49d651abe4f57e8f03702e41d8a84b8d98f24caaa1d661ffe7135e/dkropachev/python-driver/pull/4
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/adafa4dfbe49d651abe4f57e8f03702e41d8a84b8d98f24caaa1d661ffe7135e/dkropachev/python-driver/pull/4
og:image:altSummary Keeps zero-token hosts in topology while excluding zero-token and in-flight hosts from query plans. Cleans up failed host additions and fences host-add generations so stale futures cannot ...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamedkropachev
hostnamegithub.com
expected-hostnamegithub.com
None8c2fe7351e4e987cb8f75e2425a0b895d807779bc4c2d3c312be0a54082219f7
turbo-cache-controlno-cache
go-importgithub.com/dkropachev/python-driver git https://github.com/dkropachev/python-driver.git
octolytics-dimension-user_id40304587
octolytics-dimension-user_logindkropachev
octolytics-dimension-repository_id265550259
octolytics-dimension-repository_nwodkropachev/python-driver
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forktrue
octolytics-dimension-repository_parent_id158386117
octolytics-dimension-repository_parent_nwoscylladb/python-driver
octolytics-dimension-repository_network_root_id11262602
octolytics-dimension-repository_network_root_nwoapache/cassandra-python-driver
turbo-body-classeslogged-out env-production page-responsive
disable-turbofalse
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release491710c7a8eecca9d0a06bd157646f2685d8c87b
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/dkropachev/python-driver/pull/4#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fdkropachev%2Fpython-driver%2Fpull%2F4
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub Copilot appDirect agents from issue to mergehttps://github.com/features/ai/github-app
MCP RegistryNewIntegrate external toolshttps://github.com/mcp
ActionsAutomate any workflowhttps://github.com/features/actions
CodespacesInstant dev environmentshttps://github.com/features/codespaces
IssuesPlan and track workhttps://github.com/features/issues
Code ReviewManage code changeshttps://github.com/features/code-review
GitHub Advanced SecurityFind and fix vulnerabilitieshttps://github.com/security/advanced-security
Code securitySecure your code as you buildhttps://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they starthttps://github.com/security/advanced-security/secret-protection
Why GitHubhttps://github.com/why-github
Documentationhttps://docs.github.com
Bloghttps://github.blog
Changeloghttps://github.blog/changelog
Marketplacehttps://github.com/marketplace
View all featureshttps://github.com/features
Enterpriseshttps://github.com/enterprise
Small and medium teamshttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
App Modernizationhttps://github.com/solutions/use-case/app-modernization
DevSecOpshttps://github.com/solutions/use-case/devsecops
DevOpshttps://github.com/solutions/use-case/devops
CI/CDhttps://github.com/solutions/use-case/ci-cd
View all use caseshttps://github.com/solutions/use-case
Healthcarehttps://github.com/solutions/industry/healthcare
Financial serviceshttps://github.com/solutions/industry/financial-services
Manufacturinghttps://github.com/solutions/industry/manufacturing
Governmenthttps://github.com/solutions/industry/government
View all industrieshttps://github.com/solutions/industry
View all solutionshttps://github.com/solutions
AIhttps://github.com/resources/articles?topic=ai
Software Developmenthttps://github.com/resources/articles?topic=software-development
DevOpshttps://github.com/resources/articles?topic=devops
Securityhttps://github.com/resources/articles?topic=security
View all topicshttps://github.com/resources/articles
Customer storieshttps://github.com/customer-stories
Events & webinarshttps://github.com/resources/events
Ebooks & reportshttps://github.com/resources/whitepapers
Business insightshttps://github.com/solutions/executive-insights
GitHub Skillshttps://skills.github.com
Documentationhttps://docs.github.com
Customer supporthttps://support.github.com
Community forumhttps://github.com/orgs/community/discussions
Trust centerhttps://github.com/trust-center
Partnershttps://github.com/partners
View all resourceshttps://github.com/resources
GitHub SponsorsFund open source developershttps://github.com/open-source/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/open-source/accelerator
GitHub Starshttps://stars.github.com
Archive Programhttps://archiveprogram.github.com
Topicshttps://github.com/topics
Trendinghttps://github.com/trending
Collectionshttps://github.com/collections
Enterprise platformAI-powered developer platformhttps://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security featureshttps://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI featureshttps://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 supporthttps://github.com/enterprise/premium-support
Pricinghttps://github.com/pricing
Search syntax tipshttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentationhttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fdkropachev%2Fpython-driver%2Fpull%2F4
Sign up https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fvoltron%2Fpull_requests_fragments%2Fpull_request_layout&source=header-repo&source_repo=dkropachev%2Fpython-driver
Reloadhttps://github.com/dkropachev/python-driver/pull/4
Reloadhttps://github.com/dkropachev/python-driver/pull/4
Reloadhttps://github.com/dkropachev/python-driver/pull/4
dkropachev https://github.com/dkropachev
python-driverhttps://github.com/dkropachev/python-driver
scylladb/python-driverhttps://github.com/scylladb/python-driver
Notifications https://github.com/login?return_to=%2Fdkropachev%2Fpython-driver
Fork 0 https://github.com/login?return_to=%2Fdkropachev%2Fpython-driver
Star 0 https://github.com/login?return_to=%2Fdkropachev%2Fpython-driver
Code https://github.com/dkropachev/python-driver
Pull requests 4 https://github.com/dkropachev/python-driver/pulls
Actions https://github.com/dkropachev/python-driver/actions
Projects https://github.com/dkropachev/python-driver/projects
Security and quality 0 https://github.com/dkropachev/python-driver/security
Insights https://github.com/dkropachev/python-driver/pulse
Code https://github.com/dkropachev/python-driver
Pull requests https://github.com/dkropachev/python-driver/pulls
Actions https://github.com/dkropachev/python-driver/actions
Projects https://github.com/dkropachev/python-driver/projects
Security and quality https://github.com/dkropachev/python-driver/security
Insights https://github.com/dkropachev/python-driver/pulse
dkropachevhttps://github.com/dkropachev
masterhttps://github.com/dkropachev/python-driver/tree/master
fix/zero-token-host-refreshhttps://github.com/dkropachev/python-driver/tree/fix/zero-token-host-refresh
Conversationhttps://github.com/dkropachev/python-driver/pull/4
Commits13 (13)https://github.com/dkropachev/python-driver/pull/4/commits
Checkshttps://github.com/dkropachev/python-driver/pull/4/checks
Files changedhttps://github.com/dkropachev/python-driver/pull/4/files
cluster: handle zero-token host refresh raceshttps://github.com/dkropachev/python-driver/pull/4#top
dkropachevhttps://github.com/dkropachev
masterhttps://github.com/dkropachev/python-driver/tree/master
fix/zero-token-host-refreshhttps://github.com/dkropachev/python-driver/tree/fix/zero-token-host-refresh
https://github.com/dkropachev
dkropachevhttps://github.com/dkropachev
May 6, 2026https://github.com/dkropachev/python-driver/pull/4#issue-4391174468
Please reload this pagehttps://github.com/dkropachev/python-driver/pull/4
dkropachevhttps://github.com/dkropachev
May 5, 2026 13:15https://github.com/dkropachev/python-driver/pull/4#commits-pushed-fa61d4d
https://github.com/dkropachev
control-connection: keep zero-token hostshttps://github.com/dkropachev/python-driver/pull/4/commits/fa61d4db9c63c52720cc234e16a95bd9334ed28e
fa61d4dhttps://github.com/dkropachev/python-driver/pull/4/commits/fa61d4db9c63c52720cc234e16a95bd9334ed28e
https://github.com/dkropachev
test: expand zero-token host coveragehttps://github.com/dkropachev/python-driver/pull/4/commits/5d225d68203a741ace9e37adfea3ae8aa5d4e300
5d225d6https://github.com/dkropachev/python-driver/pull/4/commits/5d225d68203a741ace9e37adfea3ae8aa5d4e300
https://github.com/dkropachev
Ignore zero-token hosts by defaulthttps://github.com/dkropachev/python-driver/pull/4/commits/11f039dd9af0a19f33c60a983a903e7be15a3323
11f039dhttps://github.com/dkropachev/python-driver/pull/4/commits/11f039dd9af0a19f33c60a983a903e7be15a3323
https://github.com/dkropachev
Fix zero-token host review issueshttps://github.com/dkropachev/python-driver/pull/4/commits/169fc7deb9d94753c44b9664bd345add521fd6cf
169fc7dhttps://github.com/dkropachev/python-driver/pull/4/commits/169fc7deb9d94753c44b9664bd345add521fd6cf
https://github.com/dkropachev
cluster: wait for all pool futures before marking host uphttps://github.com/dkropachev/python-driver/pull/4/commits/882c276ab2465d5940bd87e0742e32c4fcf9811a
882c276https://github.com/dkropachev/python-driver/pull/4/commits/882c276ab2465d5940bd87e0742e32c4fcf9811a
https://github.com/dkropachev
policies: hide in-flight hosts from query planshttps://github.com/dkropachev/python-driver/pull/4/commits/83007265c0e6e45ae310d845ad2667bc141f898d
8300726https://github.com/dkropachev/python-driver/pull/4/commits/83007265c0e6e45ae310d845ad2667bc141f898d
https://github.com/dkropachev
policies: ignore zero-token hosts for local dc selectionhttps://github.com/dkropachev/python-driver/pull/4/commits/87a9792413a0064c792e5d5b4ef9f4637e54dd46
87a9792https://github.com/dkropachev/python-driver/pull/4/commits/87a9792413a0064c792e5d5b4ef9f4637e54dd46
https://github.com/dkropachev
cluster: clean up failed host additionshttps://github.com/dkropachev/python-driver/pull/4/commits/880b0a60a2ee6c7b5115cac3bfd00ef28ac7fa8e
880b0a6https://github.com/dkropachev/python-driver/pull/4/commits/880b0a60a2ee6c7b5115cac3bfd00ef28ac7fa8e
https://github.com/dkropachev
cluster: keep failed add cleanup fencedhttps://github.com/dkropachev/python-driver/pull/4/commits/be42231e1db351eaa5640b29c1ffceabbb35193b
be42231https://github.com/dkropachev/python-driver/pull/4/commits/be42231e1db351eaa5640b29c1ffceabbb35193b
https://github.com/dkropachev
test: fix mock add_host zero-token updateshttps://github.com/dkropachev/python-driver/pull/4/commits/14d9330b177ec295bd39cf7e632e167235f7d48b
14d9330https://github.com/dkropachev/python-driver/pull/4/commits/14d9330b177ec295bd39cf7e632e167235f7d48b
https://github.com/dkropachev
cluster: preserve successful add after listener errorshttps://github.com/dkropachev/python-driver/pull/4/commits/a1c83c54b58a419fc8a739fcb6b9a43c0a8631ec
a1c83c5https://github.com/dkropachev/python-driver/pull/4/commits/a1c83c54b58a419fc8a739fcb6b9a43c0a8631ec
https://github.com/dkropachev
cluster: remove late pools after aborted host addhttps://github.com/dkropachev/python-driver/pull/4/commits/8b9b80b9f852f7436ab8559708a3bc4be7fc0837
8b9b80bhttps://github.com/dkropachev/python-driver/pull/4/commits/8b9b80b9f852f7436ab8559708a3bc4be7fc0837
https://github.com/dkropachev
cluster: fence stale host add futureshttps://github.com/dkropachev/python-driver/pull/4/commits/65fedb7b73a33a0ae7698fe61d2da860f5f268b4
65fedb7https://github.com/dkropachev/python-driver/pull/4/commits/65fedb7b73a33a0ae7698fe61d2da860f5f268b4
https://github.co/hiddenchars
https://github.com/dkropachev/python-driver/pull/{{ revealButtonHref }}
Sign up for freehttps://github.com/join?source=comment-repo
Sign in to commenthttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fdkropachev%2Fpython-driver%2Fpull%2F4
Please reload this pagehttps://github.com/dkropachev/python-driver/pull/4
https://github.com/dkropachev
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

Viewport: width=device-width


URLs of crawlers that visited me.