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{"security-guide/source/dashboard/front-end-caching-session-back-end.rst":[{"author":{"_account_id":10607,"name":"Alexandra Settle","email":"a.settle@outlook.com","username":"asettle"},"change_message_id":"a0536f3d867bf66e5f66aeb1c07992baac18c7d7","unresolved":false,"context_lines":[{"line_number":28,"context_line":"integrity of session data, even though the transmitted data"},{"line_number":29,"context_line":"is only encrypted by HTTPS."},{"line_number":30,"context_line":""},{"line_number":31,"context_line":"If your architecture allows for shared storage and and if you have configured your cache correctly, we recommend setting your SESSION_ENGINE to django.contrib.sessions.backends.cache and using it as cache-based session backend with memcached as the cache. "},{"line_number":32,"context_line":"Memcached is an efficient in-memory key-value store for chunks of data that can be used in a HA and distributed environment and is easy to configure, however, you need to ensure that there is no data leakage. 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15:23:45.000000000","message":"Done","commit_id":"e3ef9421fc4001450dcd82b7c21c1415cf66842e"},{"author":{"_account_id":10607,"name":"Alexandra Settle","email":"a.settle@outlook.com","username":"asettle"},"change_message_id":"0ebec4b51e254da4e0842547c6448c95166e6215","unresolved":false,"context_lines":[{"line_number":45,"context_line":"The reason for using memcached as opposed to local-memory cache"},{"line_number":46,"context_line":"is because it is fast, retains data for a longer duration, is"},{"line_number":47,"context_line":"multi-process safe and has the ability to share cache over"},{"line_number":48,"context_line":"multiple servers and still treat it as a single cache."},{"line_number":49,"context_line":""},{"line_number":50,"context_line":"This is how you can enable 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{"}],"source_content_type":"text/x-rst","patch_set":3,"id":"3a1ff146_ee0bd07b","line":52,"range":{"start_line":52,"start_character":1,"end_line":52,"end_character":18},"updated":"2017-03-14 16:59:53.000000000","message":"Context - where is this from? :)","commit_id":"e3ef9421fc4001450dcd82b7c21c1415cf66842e"},{"author":{"_account_id":22221,"name":"Aastha Dixit","email":"a.dixit2989@gmail.com","username":"adixit"},"change_message_id":"c50b3c8f78f277ae81ab7f23546e788c6b18d9f5","unresolved":false,"context_lines":[{"line_number":49,"context_line":""},{"line_number":50,"context_line":"This is how you can enable memcached:"},{"line_number":51,"context_line":""},{"line_number":52,"context_line":".. code-block:: ini"},{"line_number":53,"context_line":""},{"line_number":54,"context_line":"    SESSION_ENGINE \u003d \u0027django.contrib.sessions.backends.cache\u0027"},{"line_number":55,"context_line":"    CACHES \u003d {"}],"source_content_type":"text/x-rst","patch_set":3,"id":"3a1ff146_4f9113f0","line":52,"range":{"start_line":52,"start_character":1,"end_line":52,"end_character":18},"in_reply_to":"3a1ff146_a8c1ac82","updated":"2017-03-15 15:23:45.000000000","message":"No problem Alexandra. Thanks :)","commit_id":"e3ef9421fc4001450dcd82b7c21c1415cf66842e"},{"author":{"_account_id":10607,"name":"Alexandra Settle","email":"a.settle@outlook.com","username":"asettle"},"change_message_id":"1b524f01864442d15f4f7d19e374f3eef096ab09","unresolved":false,"context_lines":[{"line_number":49,"context_line":""},{"line_number":50,"context_line":"This is how you can enable memcached:"},{"line_number":51,"context_line":""},{"line_number":52,"context_line":".. code-block:: ini"},{"line_number":53,"context_line":""},{"line_number":54,"context_line":"    SESSION_ENGINE \u003d \u0027django.contrib.sessions.backends.cache\u0027"},{"line_number":55,"context_line":"    CACHES \u003d {"}],"source_content_type":"text/x-rst","patch_set":3,"id":"3a1ff146_a8c1ac82","line":52,"range":{"start_line":52,"start_character":1,"end_line":52,"end_character":18},"in_reply_to":"3a1ff146_dfc07ce3","updated":"2017-03-15 11:00:10.000000000","message":"I missed that, that is my fault entirely :) sorry Aastha! This is fine as it is :)","commit_id":"e3ef9421fc4001450dcd82b7c21c1415cf66842e"},{"author":{"_account_id":22221,"name":"Aastha Dixit","email":"a.dixit2989@gmail.com","username":"adixit"},"change_message_id":"b7b4edf6c35f60fa239d2fa4bf6ea728e5f255d1","unresolved":false,"context_lines":[{"line_number":49,"context_line":""},{"line_number":50,"context_line":"This is how you can enable memcached:"},{"line_number":51,"context_line":""},{"line_number":52,"context_line":".. code-block:: ini"},{"line_number":53,"context_line":""},{"line_number":54,"context_line":"    SESSION_ENGINE \u003d \u0027django.contrib.sessions.backends.cache\u0027"},{"line_number":55,"context_line":"    CACHES \u003d {"}],"source_content_type":"text/x-rst","patch_set":3,"id":"3a1ff146_dfc07ce3","line":52,"range":{"start_line":52,"start_character":1,"end_line":52,"end_character":18},"in_reply_to":"3a1ff146_ee0bd07b","updated":"2017-03-14 18:04:27.000000000","message":"The link below from django documentation shows how it can be enabled:\nhttps://docs.djangoproject.com/en/1.10/topics/cache/\n\nAlso, horizon page gives a similar example:\nhttps://docs.openstack.org/developer/horizon/topics/deployment.html\n\nShould it be updated / changed?","commit_id":"e3ef9421fc4001450dcd82b7c21c1415cf66842e"},{"author":{"_account_id":10607,"name":"Alexandra Settle","email":"a.settle@outlook.com","username":"asettle"},"change_message_id":"b05cd3a376fc46574823bcf10e873985c497deca","unresolved":false,"context_lines":[{"line_number":30,"context_line":""},{"line_number":31,"context_line":"If your architecture allows for shared storage and and if you"},{"line_number":32,"context_line":"have configured your cache correctly, we recommend setting your"},{"line_number":33,"context_line":"SESSION_ENGINE to ``django.contrib.sessions.backends.cache``"},{"line_number":34,"context_line":"and using it as cache-based session backend with memcached as"},{"line_number":35,"context_line":"the cache. Memcached is an efficient in-memory key-value store"},{"line_number":36,"context_line":"for chunks of data that can be used in a high availability and"}],"source_content_type":"text/x-rst","patch_set":4,"id":"3a1ff146_849a0d13","line":33,"range":{"start_line":33,"start_character":0,"end_line":33,"end_character":14},"updated":"2017-03-15 16:00:55.000000000","message":"``SESSION_ENGINE``","commit_id":"fb9431f32dec465f02432ef5361cfc4b2ef31d04"},{"author":{"_account_id":10607,"name":"Alexandra Settle","email":"a.settle@outlook.com","username":"asettle"},"change_message_id":"b05cd3a376fc46574823bcf10e873985c497deca","unresolved":false,"context_lines":[{"line_number":35,"context_line":"the cache. Memcached is an efficient in-memory key-value store"},{"line_number":36,"context_line":"for chunks of data that can be used in a high availability and"},{"line_number":37,"context_line":"distributed environment and is easy to configure. However, you"},{"line_number":38,"context_line":"need to ensure that there is no data leakage. It makes use of"},{"line_number":39,"context_line":"spare RAM to store frequently accessed data blocks, acting like"},{"line_number":40,"context_line":"memory cache for repeatedly accesses information. Since memcached"},{"line_number":41,"context_line":"utilizes local memory, there is no overhead of database and"}],"source_content_type":"text/x-rst","patch_set":4,"id":"3a1ff146_171e4d63","line":38,"range":{"start_line":38,"start_character":46,"end_line":38,"end_character":54},"updated":"2017-03-15 16:00:55.000000000","message":"maybe make it clear that this is memcached. So, \"Memcached makes used of...\"","commit_id":"fb9431f32dec465f02432ef5361cfc4b2ef31d04"},{"author":{"_account_id":6804,"name":"bruce-benjamin","email":"bruce.benjamin@jhuapl.edu","username":"bruce-benjamin"},"change_message_id":"2c1855b7bce37f680b186daa63d786b74dadcd55","unresolved":false,"context_lines":[{"line_number":37,"context_line":"distributed environment and is easy to configure. However, you"},{"line_number":38,"context_line":"need to ensure that there is no data leakage. Memcached makes use"},{"line_number":39,"context_line":"of spare RAM to store frequently accessed data blocks, acting"},{"line_number":40,"context_line":"like memory cache for repeatedly accesses information. Since"},{"line_number":41,"context_line":"memcached utilizes local memory, there is no overhead of"},{"line_number":42,"context_line":"database and file system usage leading to direct access of data"},{"line_number":43,"context_line":"from RAM rather than from disk."}],"source_content_type":"text/x-rst","patch_set":5,"id":"3a1ff146_c1f8684c","line":40,"range":{"start_line":40,"start_character":33,"end_line":40,"end_character":41},"updated":"2017-03-15 21:17:55.000000000","message":"s/accesses/accessed/","commit_id":"676225e365733a9b3058f12376faa38cb512d659"},{"author":{"_account_id":22221,"name":"Aastha Dixit","email":"a.dixit2989@gmail.com","username":"adixit"},"change_message_id":"cfa5eb67112e156eec264e2526f42c2192ea23dd","unresolved":false,"context_lines":[{"line_number":37,"context_line":"distributed environment and is easy to configure. However, you"},{"line_number":38,"context_line":"need to ensure that there is no data leakage. Memcached makes use"},{"line_number":39,"context_line":"of spare RAM to store frequently accessed data blocks, acting"},{"line_number":40,"context_line":"like memory cache for repeatedly accesses information. Since"},{"line_number":41,"context_line":"memcached utilizes local memory, there is no overhead of"},{"line_number":42,"context_line":"database and file system usage leading to direct access of data"},{"line_number":43,"context_line":"from RAM rather than from disk."}],"source_content_type":"text/x-rst","patch_set":5,"id":"3a1ff146_b6e80d12","line":40,"range":{"start_line":40,"start_character":33,"end_line":40,"end_character":41},"in_reply_to":"3a1ff146_c1f8684c","updated":"2017-03-15 21:57:14.000000000","message":"Done","commit_id":"676225e365733a9b3058f12376faa38cb512d659"},{"author":{"_account_id":6804,"name":"bruce-benjamin","email":"bruce.benjamin@jhuapl.edu","username":"bruce-benjamin"},"change_message_id":"2c1855b7bce37f680b186daa63d786b74dadcd55","unresolved":false,"context_lines":[{"line_number":42,"context_line":"database and file system usage leading to direct access of data"},{"line_number":43,"context_line":"from RAM rather than from disk."},{"line_number":44,"context_line":""},{"line_number":45,"context_line":"We recommend the use of memcached instead of local-memory cache"},{"line_number":46,"context_line":"because it is fast, retains data for a longer duration, is"},{"line_number":47,"context_line":"multi-process safe and has the ability to share cache over"},{"line_number":48,"context_line":"multiple servers, but still treat it as a single cache."}],"source_content_type":"text/x-rst","patch_set":5,"id":"3a1ff146_c18f88ca","line":45,"range":{"start_line":45,"start_character":24,"end_line":45,"end_character":33},"updated":"2017-03-15 21:17:55.000000000","message":"s/memcached/memcache/","commit_id":"676225e365733a9b3058f12376faa38cb512d659"},{"author":{"_account_id":22221,"name":"Aastha Dixit","email":"a.dixit2989@gmail.com","username":"adixit"},"change_message_id":"cfa5eb67112e156eec264e2526f42c2192ea23dd","unresolved":false,"context_lines":[{"line_number":42,"context_line":"database and file system usage leading to direct access of data"},{"line_number":43,"context_line":"from RAM rather than from disk."},{"line_number":44,"context_line":""},{"line_number":45,"context_line":"We recommend the use of memcached instead of local-memory cache"},{"line_number":46,"context_line":"because it is fast, retains data for a longer duration, is"},{"line_number":47,"context_line":"multi-process safe and has the ability to share cache over"},{"line_number":48,"context_line":"multiple servers, but still treat it as a single cache."}],"source_content_type":"text/x-rst","patch_set":5,"id":"3a1ff146_963dd1bd","line":45,"range":{"start_line":45,"start_character":24,"end_line":45,"end_character":33},"in_reply_to":"3a1ff146_c18f88ca","updated":"2017-03-15 21:57:14.000000000","message":"It is termed as \"memcached\", that being the standard name for the cache in context.","commit_id":"676225e365733a9b3058f12376faa38cb512d659"},{"author":{"_account_id":6804,"name":"bruce-benjamin","email":"bruce.benjamin@jhuapl.edu","username":"bruce-benjamin"},"change_message_id":"2c1855b7bce37f680b186daa63d786b74dadcd55","unresolved":false,"context_lines":[{"line_number":45,"context_line":"We recommend the use of memcached instead of local-memory cache"},{"line_number":46,"context_line":"because it is fast, retains data for a longer duration, is"},{"line_number":47,"context_line":"multi-process safe and has the ability to share cache over"},{"line_number":48,"context_line":"multiple servers, but still treat it as a single cache."},{"line_number":49,"context_line":""},{"line_number":50,"context_line":"To enable memcached, execute the following:"},{"line_number":51,"context_line":""}],"source_content_type":"text/x-rst","patch_set":5,"id":"3a1ff146_a1ab6c1c","line":48,"range":{"start_line":48,"start_character":28,"end_line":48,"end_character":33},"updated":"2017-03-15 21:17:55.000000000","message":"s/treat/treats/","commit_id":"676225e365733a9b3058f12376faa38cb512d659"},{"author":{"_account_id":22221,"name":"Aastha Dixit","email":"a.dixit2989@gmail.com","username":"adixit"},"change_message_id":"cfa5eb67112e156eec264e2526f42c2192ea23dd","unresolved":false,"context_lines":[{"line_number":45,"context_line":"We recommend the use of memcached instead of local-memory cache"},{"line_number":46,"context_line":"because it is fast, retains data for a longer duration, is"},{"line_number":47,"context_line":"multi-process safe and has the ability to share cache over"},{"line_number":48,"context_line":"multiple servers, but still treat it as a single cache."},{"line_number":49,"context_line":""},{"line_number":50,"context_line":"To enable memcached, execute the following:"},{"line_number":51,"context_line":""}],"source_content_type":"text/x-rst","patch_set":5,"id":"3a1ff146_96d95186","line":48,"range":{"start_line":48,"start_character":28,"end_line":48,"end_character":33},"in_reply_to":"3a1ff146_a1ab6c1c","updated":"2017-03-15 21:57:14.000000000","message":"Done","commit_id":"676225e365733a9b3058f12376faa38cb512d659"}]}