influx_inspect buildtsi panics on mmapped TSM file

[davidby-influx]

Stack:

influxdb/tsdb/series_file.go

Line 344 in 79ae559

dst = append(dst, name...)

influxdb/tsdb/index/tsi1/log_file.go

Line 697 in 79ae559

seriesKey = tsdb.AppendSeriesKey(f.keyBuf[:0], e.name, e.tags)

influxdb/tsdb/index/tsi1/log_file.go

Line 658 in 79ae559

f.execSeriesEntry(e)

influxdb/tsdb/index/tsi1/log_file.go

Line 564 in 79ae559

f.execEntry(entry)

influxdb/tsdb/index/tsi1/partition.go

Line 709 in 79ae559

ids, err := p.activeLogFile.AddSeriesList(p.seriesIDSet, names, tagsSlice, tracker)

influxdb/tsdb/index/tsi1/index.go

Line 679 in 79ae559

ids, err := i.partitions[idx].createSeriesListIfNotExists(pNames[idx], pTags[idx], tracker)

[davidby-influx]

Limiting influx_inspectconcurrency to 12 allows it to complete successfully on the customer installation.

[davidby-influx]

Whereas respecting the errors returned parsing the measurement names still panics:

#24995