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https://issues.apache.org/jira/browse/CASSANDRA-1278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12988227#action_12988227
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Jonathan Ellis commented on CASSANDRA-1278:
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For what it's worth, Matt and I discussed 3 options for the serialization
format:
1. a custom format
2. thrift
3. native ColumnSerializer format
1. has little to recommend it. We have enough serialization formats already.
2. has the benefit of being cross-platform out of the box.
3. is obviously going to be fastest, especially if you require rows to be in
sorted order so you can basically stream directly to an sstable data file.
Neither 2. nor 3. is inherently unreasonable; the question is whether we can
get to "fast enough" with 2. That's a question we couldn't answer without
building it.
> Make bulk loading into Cassandra less crappy, more pluggable
> ------------------------------------------------------------
>
> Key: CASSANDRA-1278
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1278
> Project: Cassandra
> Issue Type: Improvement
> Components: Tools
> Reporter: Jeremy Hanna
> Assignee: Matthew F. Dennis
> Fix For: 0.7.2
>
> Attachments: 1278-cassandra-0.7.txt
>
> Original Estimate: 40h
> Time Spent: 40.67h
> Remaining Estimate: 0h
>
> Currently bulk loading into Cassandra is a black art. People are either
> directed to just do it responsibly with thrift or a higher level client, or
> they have to explore the contrib/bmt example -
> http://wiki.apache.org/cassandra/BinaryMemtable That contrib module requires
> delving into the code to find out how it works and then applying it to the
> given problem. Using either method, the user also needs to keep in mind that
> overloading the cluster is possible - which will hopefully be addressed in
> CASSANDRA-685
> This improvement would be to create a contrib module or set of documents
> dealing with bulk loading. Perhaps it could include code in the Core to make
> it more pluggable for external clients of different types.
> It is just that this is something that many that are new to Cassandra need to
> do - bulk load their data into Cassandra.
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