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Diffstat (limited to 'templates/db/clickhouse_http/README.md')
| -rw-r--r-- | templates/db/clickhouse_http/README.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/templates/db/clickhouse_http/README.md b/templates/db/clickhouse_http/README.md index 0bd9c75055b..db8acdb6601 100644 --- a/templates/db/clickhouse_http/README.md +++ b/templates/db/clickhouse_http/README.md @@ -167,7 +167,7 @@ There are no template links in this template. |ClickHouse: Port {$CLICKHOUSE.PORT} is unavailable |<p>-</p> |`last(/ClickHouse by HTTP/net.tcp.service[{$CLICKHOUSE.SCHEME},"{HOST.CONN}","{$CLICKHOUSE.PORT}"])=0` |AVERAGE |<p>Manual close: YES</p> | |ClickHouse: Service is down |<p>-</p> |`last(/ClickHouse by HTTP/clickhouse.ping)=0 or last(/ClickHouse by HTTP/net.tcp.service[{$CLICKHOUSE.SCHEME},"{HOST.CONN}","{$CLICKHOUSE.PORT}"]) = 0` |AVERAGE |<p>Manual close: YES</p><p>**Depends on**:</p><p>- ClickHouse: Port {$CLICKHOUSE.PORT} is unavailable</p> | |ClickHouse: Version has changed |<p>ClickHouse version has changed. Ack to close.</p> |`last(/ClickHouse by HTTP/clickhouse.version,#1)<>last(/ClickHouse by HTTP/clickhouse.version,#2) and length(last(/ClickHouse by HTTP/clickhouse.version))>0` |INFO |<p>Manual close: YES</p> | -|ClickHouse: has been restarted |<p>Uptime is less than 10 minutes</p> |`last(/ClickHouse by HTTP/clickhouse.uptime)<10m` |INFO |<p>Manual close: YES</p> | +|ClickHouse: has been restarted |<p>Uptime is less than 10 minutes.</p> |`last(/ClickHouse by HTTP/clickhouse.uptime)<10m` |INFO |<p>Manual close: YES</p> | |ClickHouse: Failed to fetch info data |<p>Zabbix has not received data for items for the last 30 minutes</p> |`nodata(/ClickHouse by HTTP/clickhouse.uptime,30m)=1` |WARNING |<p>Manual close: YES</p><p>**Depends on**:</p><p>- ClickHouse: Service is down</p> | |ClickHouse: Too many throttled insert queries |<p>Clickhouse have INSERT queries that are throttled due to high number of active data parts for partition in a MergeTree, please decrease INSERT frequency</p> |`min(/ClickHouse by HTTP/clickhouse.insert.delay,5m)>{$CLICKHOUSE.DELAYED.INSERTS.MAX.WARN}` |WARNING |<p>Manual close: YES</p> | |ClickHouse: Too many MergeTree parts |<p>Descease INSERT queries frequency.</p><p>Clickhouse MergeTree table engine split each INSERT query to partitions (PARTITION BY expression)</p><p>and add one or more PARTS per INSERT inside each partition,</p><p>after that background merge process run, and when you have too much unmerged parts inside partition,</p><p>SELECT queries performance can significate degrade, so clickhouse try delay insert, or abort it.</p> |`min(/ClickHouse by HTTP/clickhouse.max.part.count.for.partition,5m)>{$CLICKHOUSE.PARTS.PER.PARTITION.WARN} * 0.9` |WARNING |<p>Manual close: YES</p> | |