InsertPendingOp starts tracking of a pending operation.

Print samples.

PrintLimited samples.

Process unreported samples.

ProcessLimited number of unreported samples is restricted by specified limit, the rest os dropped.

RemovePendingOp removes tracking of a completed operation.

Sample to the cyclic buffer.

OpNone uninitialized operation.

OpPing ping replica.

OpRead read from replica.

OpUnmap unmap for replica.

OpWrite write to replica.

OpID pending operation id.

SampleOp operation.