Backend Frontend Load Testing

We are also testing both backend and front end constently in last few days. Some times it can also accidently increase the server load
Correct above sentence

Here’s a corrected version of your sentence:

"We have been testing both the backend and frontend continuously over the last few days. Sometimes this can accidentally increase the server load."

We have been also testing both the backend and frontend continuously over the last few days. Sometimes this can accidentally increase the server load. We have also opened Order section for test in this morning and we know order section has bit slow due its large number orders, May this also effect server, So from we will not test it frequently
Correct above sentence

Here’s a corrected version of your text:

"We have also been testing both the backend and frontend continuously over the last few days. Sometimes this can accidentally increase the server load. We opened the Order section for testing this morning, and we know that the Order section is a bit slow due to the large number of orders. This may also affect the server, so we will not test it frequently."

As we already explained about posts table which has 7 gb alone some whenever their heavy traffic over site it may take time to query that table Because of this sometime server load increase
Correct above sentrnce

Here’s a corrected version of your sentence:

"As we have already explained, the posts table alone is 7 GB. Whenever there is heavy traffic on the site, it may take longer to query that table, which can sometimes increase the server load."