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##Notes and comments
##note comment
##Use 'note' to add a balloon referring to a previous element.##Use 'comment' to make a comment at the side of the chart.##The 'note' and 'comment' built-in styles govern how these look.
defstyle note, comment [text.color=red];
defstyle note [line.color=red];
C: Client;
S: Server;
B: Backend;
->C: Hit;
box ..: Server query
{
box C==C: Generate\nrequest;
C=>S: Request;
note: This must\nbe very fast;
box S..B: Server gets info
{
S>>B: Query;
S<<B: Response;
};
comment:
An important part of this
process is that it runs
entirely inside the Backend
infrastructure and hence
does not impact the client.;
C<=S: Reply;
};
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