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2 partitions in a sharded mysql database

the first one is running at 73% memory utilization. The second one runs at 16% utilization. how can i balance the 2 out?
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1answer
139 views

MongoDB Balancer

So I have 2 sharded clusters with 3 servers each.My mongos is running, my config server is running and ive also added test data to 1 of the 2 shard clusters. I am having trouble getting that data to ...
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1answer
854 views

Why mongo pecl module looses its connection after Primary stepDown?

I run an Apache 2.2.22-13 with pecl module "mongo 1.4.4". It connects to a MongoDB 2.4.6 sharded cluster. When a stepDown occurs, the mongo module seems to stay on the mongod node which was the ...
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1answer
365 views

ASP.NET, reaching the limits of DFSR, and file storage sharding

We run a popular web app, and our backend file storage exists on a file server, replicated to another file server for failover with DFSR. We are reaching the theoretical limits of DFSR, and therefore ...
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1answer
23 views

Mongodb sharded cluster architecture

I have a mongodb cluster on aws. In order to reduce network latency I want to have multiple shards in different regions. In each region there will be the application nodes that connect to the ...
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1answer
197 views

mongo shard has high number of faults, but top shows only 8% of memory used by mongod

I am investigating some performance issues in my mongo setup. I have 3 query controllers and 6 shards. I'm doing a large batch import/update, and on the 3 query controllers, I'm getting around 200 ...
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1answer
120 views

SQl Server sharding

Can SQL Server be sharded for distributed data processing? Or are there any limitations that prevent relational databases from being sharded ?
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0answers
46 views

Merge 7 node mongodb (2.4) cluster into one standalone mongo shard

I'm running a 7 node mongodb sharded cluster (version 2.4...). I would like to merge this into a standalone shard with 7 times the disk-space. I've tried to create the single shard instance and ...
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0answers
48 views

Unable to add a mongod server in local network as shard

I'm trying to build a small cluster using mongodb sharding. In node1 and node2, mongod is started. In node1, config server and mongos are started. All listening 0.0.0.0 with exclusively allocated ...
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0answers
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Mongodb sharding with differently specc'd hardware questions

I'm interested in implementing a sharding setup as cheaply as I can manage for an application that doesn't have much stored at the moment but could grow in future. I wonder what difference it would ...
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0answers
61 views

mongodump on mongos : Shard not found for server

Trying to mongodump a mongodb 3.2.1 cluster with : - 3 mongos on port 28018 + keyfile internal auth (one shard on rs0) - 3 mongod_config servers on port 28019 using keyfile internal auth + auth - 3 ...
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0answers
232 views

Replicated MongoDB server slower than simple shards

I tried to compare the performance of a sharded configuration against a sharded and replicated configuration. The sharded configuration consists of 8 shards each running on three different machines ...