Ok, I think I get it now. Thank you so much! Just one more question though, does redis has feature similar to *getidentifiable()* and *putifuntouched() *like memcache, I think these are for consistency?
On Sun, Mar 2, 2014 at 2:09 AM, Andreas Kuhne <[email protected]>wrote: > Ok, > > Redis and Memcache really solve the same problems. The main difference is > that you can use redis as a session cache for django (save the session > objects to memory instead of the database), which I haven't found a > solution for memcache yet. Also redis CAN be persisted (saved to disk), if > you setup your own redis server. > > But otherwise, you can use both memcache and redis for your cache. > Examples where a cache can be useful: > 1. You want to do a complex database query that takes a long time to run, > but doesn't update often. Just cache the results and use the result if it > is present. > 2. You can also cache the result of a view. If the view takes a long time > to render AND is the same for all users, then cache the entire view result. > 3. There is also the possibility to create portions of a template and > cache just those portions. > > Thats what I can think of off the top of my head. You can find more > information about it here: > https://docs.djangoproject.com/en/dev/topics/cache/ > http://memcached.org/ > http://redis.io/ > > The main thing to remember is that both memcache and redis are in memory > databases (key-value store) (even though redis can be persisted) and if the > server is rebooted, then the cache is empty. Also being a in memory > database means that getting information back from the key-value store is > more or less instantanious especially if you compare to a standard sql > database. > > Regards, > > Andréas > > > 2014-03-01 21:27 GMT+01:00 Robin Lery <[email protected]>: > >> Use cases with memcached and redis please. >> >> >> On Sun, Mar 2, 2014 at 1:45 AM, Andreas Kuhne <[email protected] >> > wrote: >> >>> Hi again, >>> >>> Do you mean use cases with redis and memcache or with S3? >>> >>> Regards, >>> >>> Andréas >>> >>> 2014-03-01 21:00 GMT+01:00 Robin Lery <[email protected]>: >>> >>>> Hello, >>>> Thank you for your answer. Would you please elaborate a little more >>>> about the use cases with these? And can I use them together? >>>> >>>> Thank you. >>>> >>>> >>>> On Sun, Mar 2, 2014 at 1:01 AM, Andreas Kuhne < >>>> [email protected]> wrote: >>>> >>>>> Hi, >>>>> >>>>> In response to your question about memcache and redis, they are >>>>> extremely useful, if you use them correctly. For example if you are >>>>> generating a query to your database that takes 1 second to finish, and you >>>>> cache the results in memcache or redis, then you would be able to get the >>>>> second request down to 50 ms instead. Thats the difference in response >>>>> time. Redis and memcache are in memory databases and are extremely fast! >>>>> >>>>> Regarding your second question, if you need to store alot of pictures >>>>> and videos, I would use Amazon S3 with the django storages backend for S3. >>>>> >>>>> Regards, >>>>> >>>>> Andréas >>>>> >>>>> >>>>> 2014-03-01 17:28 GMT+01:00 Robin Lery <[email protected]>: >>>>> >>>>>> Hello, >>>>>> Another noob question. Please bear with me. I am really very confused >>>>>> between memcached and redis. I know they both are used for caching. But I >>>>>> don't know how much does they help. And lastly, I would like know what >>>>>> would you use for a site with users uploaded pictures and videos too? I >>>>>> hope I was clear. If not please ask. Your help and guidance will be very >>>>>> much appreciated. >>>>>> >>>>>> Thank you. >>>>>> Robin. >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "Django users" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to [email protected]. >>>>>> To post to this group, send email to [email protected]. >>>>>> Visit this group at http://groups.google.com/group/django-users. >>>>>> To view this discussion on the web visit >>>>>> https://groups.google.com/d/msgid/django-users/CA%2B4-nGqoYH24%2BSLzM8Jx3dN_xiPFYpZ90-gqfRNVpcWUEK%3DVsw%40mail.gmail.com >>>>>> . >>>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>>> >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "Django users" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to [email protected]. >>>>> To post to this group, send email to [email protected]. >>>>> Visit this group at http://groups.google.com/group/django-users. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/django-users/CALXYUbmmkXRQE8m92S7NncYg4BN18VCbhVm13hgUbYrq1H5B%3Dw%40mail.gmail.com >>>>> . >>>>> >>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>> >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Django users" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To post to this group, send email to [email protected]. >>>> Visit this group at http://groups.google.com/group/django-users. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/django-users/CA%2B4-nGrHb_QH1YbXA4wOnW-nVJ-sVfTWfxUOxH%2Bvz%2BihxjC2XQ%40mail.gmail.com >>>> . >>>> >>>> For more options, visit https://groups.google.com/groups/opt_out. >>>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Django users" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To post to this group, send email to [email protected]. >>> Visit this group at http://groups.google.com/group/django-users. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/django-users/CALXYUbmBhXY%2BJcC2ghmL5%3DcEeMhjdnqj7XB3tWAacVxt99XBuw%40mail.gmail.com<https://groups.google.com/d/msgid/django-users/CALXYUbmBhXY%2BJcC2ghmL5%3DcEeMhjdnqj7XB3tWAacVxt99XBuw%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Django users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/django-users. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/django-users/CA%2B4-nGpmxLcJQignKqP%3DPK1h7V0n5-953mSF%3D%2Bd%3DE53w9P2xZQ%40mail.gmail.com<https://groups.google.com/d/msgid/django-users/CA%2B4-nGpmxLcJQignKqP%3DPK1h7V0n5-953mSF%3D%2Bd%3DE53w9P2xZQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> >> For more options, visit https://groups.google.com/groups/opt_out. >> > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/django-users. > To view this discussion on the web visit > https://groups.google.com/d/msgid/django-users/CALXYUbnvEbZ6%3DBh6s%2Bs8cVMofRu%3DiqFoQxA4e5RmfhdbGP7zaw%40mail.gmail.com<https://groups.google.com/d/msgid/django-users/CALXYUbnvEbZ6%3DBh6s%2Bs8cVMofRu%3DiqFoQxA4e5RmfhdbGP7zaw%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/groups/opt_out. > -- You received this message because you are subscribed to the Google Groups "Django users" group. 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