Too many simultaneous queries

The number of concurrently executing queries reached the server limit set by `max_concurrent_queries`. Retry after existing queries complete or increase the limit.

References

clickhouse.com/docs/en/operations/error-codes

In this namespace

← previous TOO_MANY_PARTS Too many parts next → TOO_SLOW Too slow

THERE_IS_NO_COLUMN TIMEOUT_EXCEEDED TOO_DEEP_RECURSION TOO_LARGE_SIZE_COMPRESSED TOO_MANY_PARTS TOO_MANY_SIMULTANEOUS_QUERIES TOO_SLOW TYPE_MISMATCH UNEXPECTED_END_OF_FILE UNEXPECTED_PACKET_FROM_CLIENT UNEXPECTED_PACKET_FROM_SERVER