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tracearr: install/update new prestart script from upstream (#11433)

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* tracearr: install/update new prestart script from upstream

* Update tracearr.sh

---------

Co-authored-by: Tobias <96661824+CrazyWolf13@users.noreply.github.com>
This commit is contained in:
durzo
2026-02-01 19:50:55 +00:00
committed by GitHub
parent f8d8769a73
commit 99e19d4422
2 changed files with 77 additions and 7 deletions
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26
install/tracearr-install.sh
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@@ -109,18 +109,34 @@ if command -v timescaledb-tune &> /dev/null; then
|| echo "Warning: timescaledb-tune failed (non-fatal)"
fi
# =============================================================================
# Ensure TimescaleDB decompression limit is set (for existing databases)
# Ensure required PostgreSQL settings for Tracearr
# =============================================================================
# This setting allows migrations to modify compressed hypertable data.
# Without it, bulk UPDATEs on compressed sessions will fail with
# "tuple decompression limit exceeded" errors.
pg_config_file="/etc/postgresql/18/main/postgresql.conf"
if [ -f \$pg_config_file ]; then
if ! grep -q "max_tuples_decompressed_per_dml_transaction" \$pg_config_file; then
# Ensure max_tuples_decompressed_per_dml_transaction is set
if grep -q "^timescaledb\.max_tuples_decompressed_per_dml_transaction" \$pg_config_file; then
# Setting exists (uncommented) - update if not 0
current_value=\$(grep "^timescaledb\.max_tuples_decompressed_per_dml_transaction" \$pg_config_file | grep -oE '[0-9]+' | head -1)
if [ -n "\$current_value" ] && [ "\$current_value" -ne 0 ]; then
sed -i "s/^timescaledb\.max_tuples_decompressed_per_dml_transaction.*/timescaledb.max_tuples_decompressed_per_dml_transaction = 0/" \$pg_config_file
fi
elif ! grep -q "^timescaledb\.max_tuples_decompressed_per_dml_transaction" \$pg_config_file; then
echo "" >> \$pg_config_file
echo "# Allow unlimited tuple decompression for migrations on compressed hypertables" >> \$pg_config_file
echo "timescaledb.max_tuples_decompressed_per_dml_transaction = 0" >> \$pg_config_file
fi
# Ensure max_locks_per_transaction is set (for existing databases)
if grep -q "^max_locks_per_transaction" \$pg_config_file; then
# Setting exists (uncommented) - update if below 4096
current_value=\$(grep "^max_locks_per_transaction" \$pg_config_file | grep -oE '[0-9]+' | head -1)
if [ -n "\$current_value" ] && [ "\$current_value" -lt 4096 ]; then
sed -i "s/^max_locks_per_transaction.*/max_locks_per_transaction = 4096/" \$pg_config_file
fi
elif ! grep -q "^max_locks_per_transaction" \$pg_config_file; then
echo "" >> \$pg_config_file
echo "# Increase lock table size for TimescaleDB hypertables with many chunks" >> \$pg_config_file
echo "max_locks_per_transaction = 4096" >> \$pg_config_file
fi
fi
systemctl restart postgresql
EOF