according to our benchmark, concurrency level 16 is enough to fully
utilize the object storage network bandwidth
Signed-off-by: yah01 <yang.cen@zilliz.com>
This check rejects load request if running out the pool workers, but
small segment would be loaded soon, another segments would been loading
again after a check interval, which leads to slow loading for collection
Block the request by go pool
---------
Signed-off-by: yah01 <yah2er0ne@outlook.com>
yah01
congqixia
yah01
SimFG