The Trino Gateway project organizes regular meetings with contributors to improve collaboration with maintainers and among contributors. This space acts is used to plan upcoming meetings and provide meeting minutes after the event.

General information

• Virtual meetings are held every second Wednesday, 6am PST.
• Anyone can attend.
• Contact Manfred Moser on Trino slack for an invite.
• Meeting details are also announced on slack in the trino-gateway-dev channel
• Topics can be suggested prior to the event by updating this page, message on the slack channel, or during the meeting
• Support the dev sync work by sponsoring mosabua, details also in the contributions tracker

See minutes for meetings from 2025 and 2024 in separate wiki pages.

Trino Gateway dev sync - 28 Oct 2026

Attendees

mosabua as host, vishalya , chaho12

Topics, notes and action items

• Discuss https://github.com/trinodb/trino-gateway/pull/1333 - agree to proceed
• Dicuss https://github.com/trinodb/trino-gateway/pull/1334 - agree to go with option a
• https://github.com/trinodb/trino-gateway/pull/1305 mosabua address and merge
• https://github.com/trinodb/trino-gateway/pull/1223 - needs updaeing
• https://github.com/trinodb/trino-gateway/pull/1329 approved but needs updating
• https://github.com/trinodb/trino-gateway/pull/718 - needs updating
• Chat about Trino 484

Trino Gateway dev sync - 14 Oct 2026

Attendees chaho12 as host, RoeyoOgen

Topics, notes and action items

• Shared experience of seeing OOM in k8s pod, issue with native memory & malloc https://github.com/trinodb/trino-gateway/issues/1332
• Allow query to be parsed even without unqalified table/schema reference https://github.com/trinodb/trino-gateway/issues/1333
• Suggest substituting the values into the SQL for execute/execute immediate queries https://github.com/trinodb/trino-gateway/issues/1334

Trino Gateway dev sync - 30 Sept 2026

Attendees

mosabua as host, vishalya , chaho12

Topics, notes and action items

mosabua

• Looking for review on https://github.com/trinodb/trino-gateway/pull/791 (since merged)
• Looking for review on https://github.com/trinodb/trino-gateway/pull/1275 (since merged)

vishalya

• Looking at https://github.com/trinodb/trino-gateway/pull/1226

chaho12

• Requesting review of https://github.com/trinodb/trino-gateway/pull/1289 from a colleague colleage of him

Others

• Team decided to ship release asap, mosabua to update release notes PR again, will ship once approved
• Discussed https://github.com/trinodb/trino-gateway/pull/1156, vishalya and mosabua to look

Trino Gateway dev sync - 16 Sept 2026

Attendees

vishalya as host, Chaho12, andythsu RoeyoOgen

Topics, notes and action items

• Vishal and Roey will review the PR - https://github.com/trinodb/trino-gateway/pull/1258
• Waiting for a response to the review comments - https://github.com/trinodb/trino-gateway/pull/1226
• Vishal and Jaeho will review the PR. Targeting a merge before the next release - https://github.com/trinodb/trino-gateway/pull/1223
• Stale PRs
  • For stale or inactive PRs, maintainers may take ownership as needed.
  • Review outstanding comments and help move the PRs toward a merge.

Trino Gateway dev sync 2 Sept 2026

Attendees

vishalya as host, Chaho12, andythsu

Topics, notes, action items, decisions

• Discussed the PR# 1197 - LDAP domain scope control
• Discussed the PR# 1156 - 404 vs 502 when proxying is scaled-down
• Overall the list of PR is growing, we will need help from others to review the PRs

Trino Gateway dev sync 19 Aug 2026

Attendees

mosabua as host, vishalya, Chaho12

Topics, notes, action items, decisions

• Multi-auth PR from LinkedIn https://github.com/trinodb/trino-gateway/pull/1170 - vishal to review and merge
• https://github.com/trinodb/trino-gateway/pull/1188 oauth PR from LinkedIn - vishal to review
• release notes PR to approve - jaehoo
• discussed query result caching
  • https://trinodb.slack.com/archives/CG9K9MX1V/p1784188600288829 (redis caching,
  • authentication would have to be resolved
  • potentially use a separate cluster that is only for authentication and then does not run query)
  • alternatively you could use cache in trino, only metadata cache though
  • "iceberg.metadata-cache.enabled": "true",
  • https://trino.io/docs/current/connector/iceberg.html#general-configuration
  • probably use valkey
  • might be an issue with more discussion
  • mosabua to file, found old issues and revived that https://github.com/trinodb/trino-gateway/issues/606
• jwt in trino - vishal
  • can trino parse jwt claims and use for user properties and use for authorization,
  • are properties standardized
  • ask on core-dev slack channel
• Discussed https://github.com/trinodb/trino-gateway/pull/963 more - after meeting - found invalid for newer version, closed

Trino Gateway dev sync 5 Aug 2026

Attendees

mosabua as host, vishalya, Chaho12

Topics, notes, action items, decisions

• LDAP PR from Jaehoo - merged after meeting - https://github.com/trinodb/trino-gateway/pull/1205
• Agreed to proceed with release once RN PR is approved
• https://github.com/trinodb/trino-gateway/pull/1188 - later - vishal review
• https://github.com/trinodb/trino-gateway/pull/1170 - also good but for later
• https://github.com/trinodb/trino-gateway/pull/1172/ for kyuubi, will proceed, Chaho12 will investigate more
• Discussed https://github.com/trinodb/trino-gateway/issues/1217 - okay to proceed

Trino Gateway dev sync 22 Jul 2026

Attendees

mosabua as host, vishalya, OmerRaifler,

Topics, notes, action items, decisions

• Request from Chaho12 to discuss and review support for https://kyuubi.apache.org/
• Aim is to cut 21 release next week, end of July/early August
• Omer requesting review for https://github.com/trinodb/trino-gateway/pull/1197
• mosabua and vishalya will attempt to review some more PRs to merge

Trino Gateway dev sync 8 Jul 2026

Attendees

andythsu, RoeyoOgen, Chaho12,

Topics, notes, action items, decisions

• We started off with talking about https://github.com/trinodb/trino-gateway/pull/1165 , Chaho12 and RoeyoOgen asked more questions in the issue and the pr, but will review it later on.
• Regarding @Omer Raifler's question - https://trinodb.slack.com/archives/C059KUNPTSP/p1783407904521909 and decided that he should just adhere to what is done in trino, attach relevant code and open a CR.
• We also talked about Chaho12 wanting to add healthcheck compatibility for "ping-pong" to support https://kyuubi.apache.org/ as a backend for the gateway (will attach a pr with a detailed description)
• Finally, out of scope a bit, but trino related about @Yarden Cohen's question https://trinodb.slack.com/archives/CGB0QHWSW/p1782312005666719

Trino Gateway dev sync 24 Jun 2026

Attendees

mosabua as host, andythsu,

Topics, notes, action items, decisions

• 20 about to be cut
• Aiming for 21 by end of July/ early August
• Want to get spooling protocol and others in ideally

Trino Gateway dev sync 11 Jun 2026

Cancelled

Trino Gateway dev sync 27 May 2026

mosabua as host, vishalya, nineinchnick, RoeyoOgen,

Topics, notes, action items, decisions

• https://github.com/trinodb/trino-gateway/pull/1029
• https://github.com/trinodb/trino-gateway/pull/947
• https://github.com/trinodb/trino-gateway/pull/1094 - merged

Trino Gateway dev sync 13 May 2026

Attendees

mosabua as host, vishalya, andythsu, Chaho12, OmerRaifler,

Topics, notes, action items, decisions

• Releases
  • 19 release shipped
  • 20 in progress
  • skill used to maintain release notes
  • planned release date for middle of June
• API PR
  • https://github.com/trinodb/trino-gateway/pull/1029
  • vishal to review, mosabua as well
  • planned to be part of 20
• Spooling protocol discuss
  • segment files clean up seems to be broken
  • not surprising since we never really tested spooling protocol yet
  • https://github.com/trinodb/trino-gateway/issues/1033 and related issue
  • there is a docs PR
  • we want similar page as https://trino.io/docs/current/client/client-protocol.html#spooling-protocol
• Vulnerability PR
  • Jaehoo to review again
  • CLA processed now
  • https://github.com/trinodb/trino-gateway/pull/999
• Avoid null cache writes for query routing mappings
  • https://github.com/trinodb/trino-gateway/pull/963
  • Discussion if this is even valid
  • will follow up on PR
  • issue https://github.com/trinodb/trino-gateway/issues/787
  • ideally get into release

Trino Gateway dev sync 29 Apr 2026

Attendees

mosabua as host, RoeyoOgen,

Topics, notes, action items, decisions

• Release 19
• Merge of forwarded header logic PR - ✅
• Resource group removal PR - pinged other maintainers
• Apache Gravitino

Trino Gateway dev sync 15 Apr 2026

Attendees

mosabua as host, vishalya, oneonestar, andythsu, RoeyoOgen, kbhatianr, maswin,

Topics, notes, action items, decisions

• Release 19
  • try to merge resource group removal after Andy finishes
  • Ideally also add db conneciton pooling - https://github.com/trinodb/trino-gateway/pull/791
  • But in the end not wait too long, things can go to 20
• Following Trino we will not adopt Java 26, but will add testing (mosabua)
• We need CLA processing at https://github.com/trinodb/trino-gateway/pull/999 - asked for CLA preocessing
• Request from maswin to review https://github.com/trinodb/trino-gateway/pull/947
• mosabua to look at https://github.com/trinodb/trino-gateway/pull/719/changes , we might want to get resource group removal merged first and then rebase this

Trino Gateway dev sync 1 Apr 2026

Attendees

mosabua as host, vishalya, oneonestar, andythsu, maswin, RoeyoOgen,

Topics, notes, action items, decisions

• Release 19, lets merge a few more PRs, maybe cut next week
• Review and add resource group removal to 19, andy to complete db table concerns, team clarified desired setup
• And db connection pooling - https://github.com/trinodb/trino-gateway/pull/791
• Ideally get SQL vulnerability from UI merged, https://github.com/trinodb/trino-gateway/pull/999, waiting for CLA processing
• Request from maswin to review https://github.com/trinodb/trino-gateway/pull/947
• mosabua and others to look at https://github.com/trinodb/trino-gateway/pull/719/changes

Trino Gateway dev sync 18 Mar 2026

Attendees

vishalya as host, oneonestar, andythsu, maswin,

Topics, notes, action items, decisions

• Trino Gateway 18
  • is out and ready to use!
• Discussed the changes in https://github.com/trinodb/trino-gateway/pull/923
• Andy will take a look at removing the resource groups

Trino Gateway dev sync 4 Mar 2026

Attendees

mosabua as host, Chaho12, vishalya, andythsu, maswin, kbhatianr,

Topics, notes, action items, decisions

• Trino Gateway 18
  • Ready to go, mosabua will proceed after PR approval
• Little progress overall on other PR reviews
• Pinged wendigo on https://github.com/airlift/airlift/pull/1660 to unblock https://github.com/trinodb/trino-gateway/pull/765
• chaho12 raised AI tooling and rules topic
  • will post in maintainer channel
• maswin asked for feedback on tags use
  • https://github.com/trinodb/trino-gateway/pull/947
  • generally looks good
  • needs user facing docs

Trino Gateway dev sync 18 Feb 2026

Attendees

mosabua as host, oneonestar, RoeyoOgen, vishalya, andythsu, maswin

Topics, notes, action items, decisions

• Trino Gateway 18
  • RN PR in https://github.com/simpligility/contributions/issues/60
  • Agreed to release at end of Feb and go with monthly release cycle to capture all the updates regularly
• stale bot for issues
  • https://github.com/trinodb/trino-gateway/pull/925
  • agreed to proceed with this approach for now, maybe add good first issue label as exemption
• Routing rules in db
  • Roey talked to Eden - nearly done with routing rules in db, will send PR
• Propagate errors back from routing rules to user
  • same as in external server
  • but implement for file and db based routing rules to propagate errors back
  • Roey will file issue
  • Agreed that this is a good idea to implement
• Resource group removal
  • Andy to reach out to Yarden and potentially work on it
  • https://github.com/trinodb/trino-gateway/pull/713
  • see https://github.com/trinodb/trino-gateway/issues/656
• • https://github.com/trinodb/trino-gateway/pull/923
  • Star requesting Andy to review, Vishal will also look as second maintainer
• Discussed LLM use for routing
• Discussed Trino MCP and related topics
• Discussed AI use to autogenerate Grafana dashboard
  • Related to grafana trino plugin PR and maintenace
  • mosabua to reach out

Trino Gateway dev sync 4 Feb 2026

Attendees

mosabua as host, Chaho12, oneonestar, RoeyoOgen,

Topics, notes, action items, decisions

• Release 17 completed
  • successfully used new automation developed by electrum and mosabua
  • first deployments successful
• Release 18 planning
  • will decide on schedule in next sync
  • mosabua will work on release notes and mgt
• Buffer size discussion
  • see https://github.com/trinodb/trino-gateway/issues/749
  • need to merge https://github.com/airlift/airlift/pull/1583 first
  • then look at https://github.com/trinodb/trino-gateway/pull/765 and adapt
• Roey mentioned https://github.com/trinodb/trino/discussions/23708#discussioncomment-11924383
• Discussed resource groups removal
  • Agreed to close https://github.com/trinodb/trino-gateway/pull/713 and proceed with removal

Trino Gateway dev sync 21 Jan 2026

Attendees

mosabua as host, Chaho12, vishalya, andythsu, oneonestar, OmerRaifler, kbhatianr

Topics, notes, action items, decisions

• Release 17
  • PR is ready
  • Agreed to request release and if possible for access for Trino Gateway maintainer to cut release to remove dependency on Martin
• Dep bump PR
  • Talked about dependabot PRs from Yuya, more complex changes that are manually added need another reviewer
• Discussed PR to move to caffeine
  • https://github.com/trinodb/trino-gateway/pull/808
  • Agree to merge after 17 release
• Looked at issues and PRs list
  • mosabua to look at adding stalebot for PRs and issues similar to Trino itself
  • filed https://github.com/simpligility/contributions/issues/57
• Looked at H2 removal
  • mosabua pinged contributor
  • https://github.com/trinodb/trino-gateway/pull/719 again and
  • maybe get merged after 17
• Timezone drop down PR needs review and testing
  • https://github.com/trinodb/trino-gateway/pull/805
• CLAs need processing
  • mosabua to ask for it
  • For example needed in https://github.com/trinodb/trino-gateway/pull/800
• Discussed deactivation of query history storage PR and altenative storage in Valkey (not Redis)
• Discussed JWT PR https://github.com/trinodb/trino-gateway/pull/812

Trino Gateway dev sync 7 Jan 2026

Event held but no minutes available.