On 4/23/20 10:28 AM, Preethi S wrote: > Hello Adrian, > > Thank you for the quick reply. This link is indeed helpful. This link > explains how is a query processed. I am aware of how the query > processing happens. > > In addition, I am looking for how the data processed, when data is > inserted/modified, does the new data gets written to shared buffer -> > WAL -> disk ? > > I would like to see the code that does this. (For example, data > written into shared_buffer, wal_buffer, wal_segments and then fsync) > What tools are you using to examine the code?