Re: Using cassandra a BLOB store / web cache.

2016-01-18 Thread Jack Krupansky
Chunk the blobs and store them in a separate table from the metadata. Here's an old attempt at a chunked object store, for reference: https://github.com/Netflix/astyanax/wiki/Chunked-Object-Store Picking an appropriate chunk size may be key (or not). Somewhere between 8K and 512K, I would guess,

Using cassandra a BLOB store / web cache.

2016-01-18 Thread Kevin Burton
Internally we have the need for a blob store for web content. It's MOSTLY key, ,value based but we'd like to have lookups by coarse grained tags. This needs to store normal web content like HTML , CSS, JPEG, SVG, etc. Highly doubt that anything over 5MB would need to be stored. We also need the

performance/benchmarking

2016-01-18 Thread Sean Bowman
Hello, We are evaluating Cassandra performance and would like to know if the numbers we've gotten can be improved upon. Right now we're just testing a simple key/value store using the cassandra-stress tool. A quick summary of our setup: * Using the datastax 2.2 distribution, Oracle HotSpot Java

Re: Run Repairs when a Node is Down

2016-01-18 Thread Paulo Motta
Hello Anuj, Repairing a range with down replicas may be valid if there is still QUORUM up replicas and using at least QUORUM for writes. My understanding is that it was disabled as default behavior on CASSANDRA-2290 to avoid misuse/confusion, and its not advisable to remain with a down node for a

Re: Unable to locate Solr Configuration file ( Generated using dsetool )

2016-01-18 Thread Sebastian Estevez
You can post it to the server using either curl or dsetool: http://docs.datastax.com/en/datastax_enterprise/4.8/datastax_enterprise/srch/srchReldCore.html use the solrconfig and schema options: OptionSettingsDefaultDescription schema= path n/a Path of the schema file used for reloading the core

Re: Unable to locate Solr Configuration file ( Generated using dsetool )

2016-01-18 Thread Harikrishnan A
Thanks Jack ..So how do I customize these resource file.. I mean if I want to add some custom fields or to change the default text analyzer etc.. Sent from Yahoo Mail on Android On Mon, Jan 18, 2016 at 7:50 AM, Jack Krupansky wrote: Also, you can (and probably should) use the Solr admin U

Re: Cassandra 3.1 - Aggregation query failure

2016-01-18 Thread DuyHai Doan
A quick update on this issue. Today, when playing with UDA, I had also the exception: java.security.AccessControlException: access denied ("java.io.FilePermission" "/x/logback.xml" "read")" What is definitely strange is that by re-executing again the query, same query, it works. I cou

Re: Unable to locate Solr Configuration file ( Generated using dsetool )

2016-01-18 Thread Jack Krupansky
Also, you can (and probably should) use the Solr admin UI console if you simply wish to view the generated resource files. -- Jack Krupansky On Mon, Jan 18, 2016 at 9:46 AM, Jack Krupansky wrote: > As per the DSE Search doc: "Resource files are stored in Cassandra > database, not in the file sy

Re: Unable to locate Solr Configuration file ( Generated using dsetool )

2016-01-18 Thread Jack Krupansky
As per the DSE Search doc: "Resource files are stored in Cassandra database, not in the file system. The schema.xml and solrconfig.xml resources are persisted in the solr_admin.solr_resources database table": http://docs.datastax.com/en/datastax_enterprise/4.8/datastax_enterprise/srch/srchUpld.html

Re: broadcast_address in multi data center setups

2016-01-18 Thread Paulo Motta
broadcast_address is the address exposed for internal inter-node communication, while rpc_address is the address that will listen to clients. all nodes need to talk to each other via the broadcast_address, so if they are within the same network, you may use public or private IPs as broadcast_addre