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chore: bump ClickHouse to 26.8 #4614

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chore: bump ClickHouse to 26.8 #4614

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2 changes: 1 addition & 1 deletion docker-compose.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -239,7 +239,7 @@ services:
build:
context: ./clickhouse
args:
BASE_IMAGE: "altinity/clickhouse-server:25.8.33.10002.altinitystable"
BASE_IMAGE: "clickhouse/clickhouse-server:26.8.36.3@sha256:d426d2f612e1e189c90f9a3f8dcd85a03c6851273833817a296bb327e63aa7a7"

@cursor cursor Bot Nov 6, 2026

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ClickHouse 26.8 needs AVX2

Medium Severity

Official clickhouse/clickhouse-server 26.6+ is built for x86-64-v3 and requires AVX2. The installer still only checks SSE4.2, which Altinity 25.8 accepted, so hosts that pass install can then crash ClickHouse with an illegal instruction after this bump.

Additional Locations (1)
Fix in Cursor Fix in Web

Reviewed by Cursor Bugbot for commit d77d42f. Configure here.

@aldy505 aldy505 Nov 6, 2026

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Yeah this is a problem (cc @aminvakil)

@aminvakil aminvakil Nov 6, 2026

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Yep, this is a problem, do you want me to create a PR?

ulimits:
nofile:
soft: 262144
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7 changes: 7 additions & 0 deletions install/upgrade-clickhouse.sh
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Expand Up @@ -23,6 +23,13 @@ if $ps_command | grep -q clickhouse; then
echo "Upgrading clickhouse to 25.8"
$dcb $build_arg BASE_IMAGE=altinity/clickhouse-server:25.8.33.10002.altinitystable clickhouse
start_service_and_wait_ready clickhouse
elif [[ "$version" == "25.8.33.10002.altinitystable" ]]; then
echo "Detected clickhouse version $version"
$dc down clickhouse

echo "Upgrading clickhouse to 26.8"
$dcb $build_arg BASE_IMAGE=clickhouse/clickhouse-server:26.8.36.3 clickhouse
start_service_and_wait_ready clickhouse
else
echo "Detected clickhouse version $version. Skipping upgrades!"
fi
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