AP
но это для мониторинга того что с репликацией все ОК
репликацию чинить надо без выключения ноды по возможности...
https://clickhouse.tech/docs/en/operations/monitoring/#clickhouse-server-metrics
Size: a a a
AP
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MM
SELECT
toDate(CreatedTime) AS d,
UserID,
arrayAvg(arrayMap(x -> arraySum(x), arraySplit(x -> (x > (15 * 60)), arrayDifference(arraySort(groupArray(toUInt32(CreatedTime))))))) AS SessionDuratio,
arrayAvg(arrayMap(x -> arrayCount(arrayMap(x -> toUInt8(x), x)), arraySplit(x -> (x > (15 * 60)), arrayDifference(arraySort(groupArray(toUInt32(CreatedTime))))))) AS EventsPerSession
FROM Events
GROUP BY
d,
UserID
LIMIT 10
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