Also, when using default setting Riak will write three copies of your data to 
your cluster - even if you only have a cluster of one machine. 

-Alexander 


@siculars
http://siculars.posthaven.com

Sent from my iRotaryPhone

> On Mar 27, 2017, at 11:25, Luke Bakken <lbak...@basho.com> wrote:
> 
> Hi Tsutomu,
> 
> You should only use objects up to a maximum of 1MiB in size with Riak
> KV. If you wish to store larger objects or files, please use Riak CS.
> 
> --
> Luke Bakken
> Engineer
> lbak...@basho.com
> 
>> On Sun, Mar 26, 2017 at 5:38 PM,  <wakuda_tsut...@intec.co.jp> wrote:
>> Hello.
>> 
>> The following problem occurred, Please give me on solution.
>> 
>> (Problem)
>> I registered a 10mb to 1000mb file.
>> Then RiakKV hung up when the batch program was accessing files from 100 MB 
>> to 600 MB.
>> RiakKV hung up due to insufficient memory.
>> 
>> (Question)
>> 1.The problem that occurred this time is the effect of data accessed to a 
>> 20-1000 MB file?
>>  Or is it another problem?
>> 
>> 2.During RiakKV data update, when you want to access RiakKV data,
>>  do you need to do something special?
>>  Do you need a lot of memory?
>> 
>> (Objects)
>> file: 3,882,892
>> file size(total): 332.46GB(346,243,500,913byte)
>> file objects:
>>  1-  10MB = 3,800,000(all)
>> 20-  50MB = 40 to 100
>> 100-1000MB = 50
>> 
>> (Riak Sever)
>> OS:Red Hat Enterprise Linux Server release 6.7 (Santiago)
>>  (Linux patdevsrv02 2.6.32-573.el6.x86_64)
>> CPU:Intel(R) Xeon(R) CPU E5640  @2.67GHz * 2
>> Memory:12GB
>> Swap:14GB
>> Network:1Gbps
>> Disk:
>> Filesystem      Size  Used Avail Use% Mounted on
>> /dev/sda3       261G   67G  182G  27% /
>> tmpfs           5.9G  300K  5.9G   1% /dev/shm
>> /dev/sda1       477M   71M  381M  16% /boot
>> /dev/sdb1       275G  243G   19G  93% /USR1
>> /dev/sdc1       1.7T  1.5T   76G  96% /USR2
>> /dev/sdd1       1.1T  736G  309G  71% /USR3 <<< Store
>> /dev/sde1       1.1T  1.1T   18G  99% /USR4
>> /dev/sdf1       1.4T  1.1T  365G  74% /media/USB-HDD1
>> 
>> (Riak)
>> RiakKV 2.2.0 (riak-2.2.0-1.el6.x86_64.rpm)
>> 
>> (Riak Node)
>> 1 Node.
>> 
>> !!!We plan to add two nodes to the cluster at a later date.!!!
>> 
>> (Java)
>> Java1.8 (jre-8u121-linux-x64.rpm)
>> 
>> (riak setting)
>> /etc/riak/riak.conf
>> storage_backend = leveldb
>> leveldb.maximum_memory.percent = 50
>> object.size.maximum = 2GB
>> listener.http.internal = 0.0.0.0:8098
>> listener.http.internal = 0.0.0.0:8098
>> platform_data_dir = /USR3/riak
>> nodename = riak@...
>> riak_control = on
>> 
>> !!!Settings other than these remain the default.!!!
>> 
>> (linux setting)
>> /etc/security/limits.conf
>> * soft nofile 65536
>> * hard nofile 65536
>> 
>> Thank you.
>> 
>> Tsutomu Wakuda
>> 
>> 
>> _______________________________________________
>> riak-users mailing list
>> riak-users@lists.basho.com
>> http://lists.basho.com/mailman/listinfo/riak-users_lists.basho.com
> 
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