Hi,
the influx database log shows some errors after an update from 1.7 to 2.0.
The Influxdb is running inside a docker container, i’ve use the documentation (Upgrade from InfluxDB 1.x to 2.0 with Docker | InfluxDB OSS 2.0 Documentation) for the update.
ts=2022-11-06T11:31:23.363947Z lvl=info msg="Error writing snapshot from compactor" log_id=0d~9JHzW000 service=storage-engine engine=tsm1 op_name=tsm1_cache_snapshot error="compaction in progress: open /var/lib/influxdb2/engine/data/9175f3c154240b74/autogen/45/000001462-000000001.tsm.tmp: too many open files"
ts=2022-11-06T11:31:23.364182Z lvl=info msg="Cache snapshot (end)" log_id=0d~9JHzW000 service=storage-engine engine=tsm1 op_name=tsm1_cache_snapshot op_event=end op_elapsed=1.857ms
ts=2022-11-06T11:31:23.364320Z lvl=info msg="Error writing snapshot" log_id=0d~9JHzW000 service=storage-engine engine=tsm1 error="compaction in progress: open /var/lib/influxdb2/engine/data/9175f3c154240b74/autogen/45/000001462-000000001.tsm.tmp: too many open files"
ts=2022-11-06T11:31:23.365853Z lvl=info msg="Cache snapshot (start)" log_id=0d~9JHzW000 service=storage-engine engine=tsm1 op_name=tsm1_cache_snapshot op_event=start
ts=2022-11-06T11:31:23.369585Z lvl=info msg="Cache snapshot (start)" log_id=0d~9JHzW000 service=storage-engine engine=tsm1 op_name=tsm1_cache_snapshot op_event=start
ts=2022-11-06T11:31:23.373543Z lvl=info msg="Cache snapshot (start)" log_id=0d~9JHzW000 service=storage-engine engine=tsm1 op_name=tsm1_cache_snapshot op_event=start
ts=2022-11-06T11:31:23.374821Z lvl=info msg="Cache snapshot (start)" log_id=0d~9JHzW000 service=storage-engine engine=tsm1 op_name=tsm1_cache_snapshot op_event=start
ts=2022-11-06T11:31:23.377953Z lvl=info msg="Error writing snapshot from compactor" log_id=0d~9JHzW000 service=storage-engine engine=tsm1 op_name=tsm1_cache_snapshot error="compaction in progress: open /var/lib/influxdb2/engine/data/9175f3c154240b74/autogen/393/000001402-000000001.tsm.tmp: too many open files"
ts=2022-11-06T11:31:23.378074Z lvl=info msg="Cache snapshot (end)" log_id=0d~9JHzW000 service=storage-engine engine=tsm1 op_name=tsm1_cache_snapshot op_event=end op_elapsed=8.515ms
ts=2022-11-06T11:31:23.378114Z lvl=info msg="Error writing snapshot" log_id=0d~9JHzW000 service=storage-engine engine=tsm1 error="compaction in progress: open /var/lib/influxdb2/engine/data/9175f3c154240b74/autogen/393/000001402-000000001.tsm.tmp: too many open files"
ts=2022-11-06T11:31:23.380296Z lvl=info msg="Error writing snapshot from compactor" log_id=0d~9JHzW000 service=storage-engine engine=tsm1 op_name=tsm1_cache_snapshot error="compaction in progress: open /var/lib/influxdb2/engine/data/9175f3c154240b74/autogen/650/000001390-000000001.tsm.tmp: too many open files"
ts=2022-11-06T11:31:23.380906Z lvl=info msg="Cache snapshot (end)" log_id=0d~9JHzW000 service=storage-engine engine=tsm1 op_name=tsm1_cache_snapshot op_event=end op_elapsed=15.115ms
ts=2022-11-06T11:31:23.381074Z lvl=info msg="Error writing snapshot" log_id=0d~9JHzW000 service=storage-engine engine=tsm1 error="compaction in progress: open /var/lib/influxdb2/engine/data/9175f3c154240b74/autogen/650/000001390-000000001.tsm.tmp: too many open files"
ts=2022-11-06T11:31:23.393399Z lvl=info msg="Error writing snapshot from compactor" log_id=0d~9JHzW000 service=storage-engine engine=tsm1 op_name=tsm1_cache_snapshot error="compaction in progress: open /var/lib/influxdb2/engine/data/9175f3c154240b74/autogen/882/000001378-000000001.tsm.tmp: too many open files"
ts=2022-11-06T11:31:23.393517Z lvl=info msg="Cache snapshot (end)" log_id=0d~9JHzW000 service=storage-engine engine=tsm1 op_name=tsm1_cache_snapshot op_event=end op_elapsed=19.992ms
ts=2022-11-06T11:31:23.393554Z lvl=info msg="Error writing snapshot" log_id=0d~9JHzW000 service=storage-engine engine=tsm1 error="compaction in progress: open /var/lib/influxdb2/engine/data/9175f3c154240b74/autogen/882/000001378-000000001.tsm.tmp: too many open files"
ts=2022-11-06T11:31:23.400403Z lvl=info msg="Error writing snapshot from compactor" log_id=0d~9JHzW000 service=storage-engine engine=tsm1 op_name=tsm1_cache_snapshot error="compaction in progress: open /var/lib/influxdb2/engine/data/9175f3c154240b74/autogen/866/000001387-000000001.tsm.tmp: too many open files"
ts=2022-11-06T11:31:23.400508Z lvl=info msg="Cache snapshot (end)" log_id=0d~9JHzW000 service=storage-engine engine=tsm1 op_name=tsm1_cache_snapshot op_event=end op_elapsed=25.703ms
ts=2022-11-06T11:31:23.400544Z lvl=info msg="Error writing snapshot" log_id=0d~9JHzW000 service=storage-engine engine=tsm1 error="compaction in progress: open /var/lib/influxdb2/engine/data/9175f3c154240b74/autogen/866/000001387-000000001.tsm.tmp: too many open files"
ts=2022-11-06T11:31:23.539617Z lvl=info msg="http: Accept error: accept tcp [::]:8086: accept4: too many open files; retrying in 5ms" log_id=0d~9JHzW000 service=http
ts=2022-11-06T11:31:23.545812Z lvl=info msg="http: Accept error: accept tcp [::]:8086: accept4: too many open files; retrying in 10ms" log_id=0d~9JHzW000 service=http
ts=2022-11-06T11:31:23.557267Z lvl=info msg="http: Accept error: accept tcp [::]:8086: accept4: too many open files; retrying in 5ms" log_id=0d~9JHzW000 service=http
ts=2022-11-06T11:31:23.564341Z lvl=info msg="http: Accept error: accept tcp [::]:8086: accept4: too many open files; retrying in 5ms" log_id=0d~9JHzW000 service=http
ts=2022-11-06T11:31:23.571025Z lvl=info msg="http: Accept error: accept tcp [::]:8086: accept4: too many open files; retrying in 5ms" log_id=0d~9JHzW000 service=http
ts=2022-11-06T11:31:23.576464Z lvl=info msg="http: Accept error: accept tcp [::]:8086: accept4: too many open files; retrying in 10ms" log_id=0d~9JHzW000 service=http
