How can I force flushing an ERB output?
I have a report that yields a very big HTML table that can take hours to
finish processing depending on input params.
I would like to flush the already generated output to the browser even
if the result is not complete. The idea is send the table lines once
they are generated. Waiting for the entire output to be generated also
could consume a lot of RAM, although it is not a major problem now, but
flushing the output from time to time would allow less memory usage.
Just in case some of you have some experience with JRuby or could
enlight me understanding another problem, let me ask you another
question. The calculations I'm performing for generating this table are
quite heavy and I'm using some Java libraries to help me performing
them. I'm not using ActiveRecord to talk to the database, but Sequel
instead in the Ruby part. I'm also using warbler to generate a war file
to be deployed in a Java servlet container, such as Tomcat.
I would like to understand better why isn't Rails thread-based. I mean,
why there is a need for multiple instances of Rails for dealing with
concurrent connections? If this limitation is specific for ActiveRecord
or MRI Ruby implementation, it shouldn't be a problem for my
application, since it uses JRuby (with real threads) and does not depend
on ActiveRecord. Is there anything I could do to allow multiple
concurrent connections in a single Rails instance?
Thanks in advance,
Rodrigo.
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