imodeljs-backend error and slow

[qingsong1900]

now, when more google chrome in pc to visit the imodeljs,and the backend log error and slow,
i want know the imodeljs backend is support by single process or multi-proccess to read the bim file from iTwin Snapshot,
when i deploy more imodeljs backend by different port,
but when one backend process write log the sql busy and lock the bim file , and other process must wait unlock the bim file.
and all client pc must wait a client pc .

[calebmshafer]

Not entirely sure I understand the scenario you're using here. Do you have both a imodeljs-backend running that is used by a imodeljs-frontend application via Chrome and then also running the iTwin Synchronizer at the same time on a single iModel?