I am researching the possibility of using secondary index feature in Cassandra using Aquiles. I know for the primary index (key), a I must be using OrderPreservingPartitioner in order to query. At first, I thought that with secondary indexes, there is no such limitation, but I noticed that start key is part of GetIndexedSlicesCommand. Does that imply that under RandomPartitioner, this command is unusable?
secondary indexes in Cassandra under RandomPartitioner
475 Views Asked by galets At
1
There are 1 best solutions below
Related Questions in NOSQL
- Spark .mapValues setup with multiple values
- Where do 'normal' println go in a scala jar, under Spark
- Serializing to disk and deserializing Scala objects using Pickling
- Where has "Show Type Info on Mouse Motion" gone in Intellij 14
- AbstractMethodError when mixing in trait nested in object - only when compiled and imported
- Scala POJO Aggregator Exception
- How to read in numbers from n lines into a Scala list?
- Spark pairRDD not working
- Scala Eclipse IDE compiler giving errors until "clean" is run
- How to port Slick 2.1 plain SQL queries to Slick 3.0
Related Questions in CASSANDRA
- Spark .mapValues setup with multiple values
- Where do 'normal' println go in a scala jar, under Spark
- Serializing to disk and deserializing Scala objects using Pickling
- Where has "Show Type Info on Mouse Motion" gone in Intellij 14
- AbstractMethodError when mixing in trait nested in object - only when compiled and imported
- Scala POJO Aggregator Exception
- How to read in numbers from n lines into a Scala list?
- Spark pairRDD not working
- Scala Eclipse IDE compiler giving errors until "clean" is run
- How to port Slick 2.1 plain SQL queries to Slick 3.0
Related Questions in CASSANDRA-0.7
- Spark .mapValues setup with multiple values
- Where do 'normal' println go in a scala jar, under Spark
- Serializing to disk and deserializing Scala objects using Pickling
- Where has "Show Type Info on Mouse Motion" gone in Intellij 14
- AbstractMethodError when mixing in trait nested in object - only when compiled and imported
- Scala POJO Aggregator Exception
- How to read in numbers from n lines into a Scala list?
- Spark pairRDD not working
- Scala Eclipse IDE compiler giving errors until "clean" is run
- How to port Slick 2.1 plain SQL queries to Slick 3.0
Trending Questions
- UIImageView Frame Doesn't Reflect Constraints
- Is it possible to use adb commands to click on a view by finding its ID?
- How to create a new web character symbol recognizable by html/javascript?
- Why isn't my CSS3 animation smooth in Google Chrome (but very smooth on other browsers)?
- Heap Gives Page Fault
- Connect ffmpeg to Visual Studio 2008
- Both Object- and ValueAnimator jumps when Duration is set above API LvL 24
- How to avoid default initialization of objects in std::vector?
- second argument of the command line arguments in a format other than char** argv or char* argv[]
- How to improve efficiency of algorithm which generates next lexicographic permutation?
- Navigating to the another actvity app getting crash in android
- How to read the particular message format in android and store in sqlite database?
- Resetting inventory status after order is cancelled
- Efficiently compute powers of X in SSE/AVX
- Insert into an external database using ajax and php : POST 500 (Internal Server Error)
Popular # Hahtags
Popular Questions
- How do I undo the most recent local commits in Git?
- How can I remove a specific item from an array in JavaScript?
- How do I delete a Git branch locally and remotely?
- Find all files containing a specific text (string) on Linux?
- How do I revert a Git repository to a previous commit?
- How do I create an HTML button that acts like a link?
- How do I check out a remote Git branch?
- How do I force "git pull" to overwrite local files?
- How do I list all files of a directory?
- How to check whether a string contains a substring in JavaScript?
- How do I redirect to another webpage?
- How can I iterate over rows in a Pandas DataFrame?
- How do I convert a String to an int in Java?
- Does Python have a string 'contains' substring method?
- How do I check if a string contains a specific word?
You don't need OrderPreservingPartitioner to query by row key, it's only needed if you want to get a meaningful range of rows by their key, like 'all rows with a key between 5 and 9'. (Note that can and should almost always use RandomPartitioner instead.)
The start key for get_indexed_slices behaves the same way that it does for get_range_slices. That is, it's not very meaningful for examining a range of rows between two keys when using RandomPartitioner, but it is useful for paging through a lot of rows. There's even a FAQ entry on the topic. Basically, if you're going to get a ton of results from a call to get_indexed_slices, you don't want to fetch them all at once, you want to get a chunk (of 10, 100, or 1000, depending on size) at a time, and then set the start_key to the last key you saw in the previous chunk to get the next chunk.