Tags » NOSQL

MongoDB current operations and profiling

Current operations

db.currentOp()

Write operations waiting for a lock

db.currentOp(
  {
    "waitingForLock" : true,
    $or: [
      { "op" : { "$in" : [ "insert", "update", "remove" ] } },
      { "query.findandmodify": { $exists: true } }
    ]
  }
) 168 more words

Real-world Cloud Big Data Patterns

Here’s a link to my slides from the workshop I delivered for QCon Sao Paulo, Brazil, “Real-world Cloud Big Data Patterns”

Enjoy!

Cloud

Moving data from Oracle to Couchbase

One request I found frequently in customers is about moving data between Oracle and Couchbase. Oracle is a widely deployed relational database, and customers moving to Couchbase have this starting point challenge. 688 more words

Couchbase

Getting over 4 Million TPS with NoSQL on the Google Cloud with Aerospike


I did some work with the Aerospike team and some other partners (@dchaley and @jamesrcounts) to validate Aerospike performance benchmarks on the Google Cloud using GCE instances. 97 more words

Setting up a production ready cluster with MongoDB and Couchbase

Español

Congratulations! Your new NoSQL project is ready for go live. Your single node development environment has been so easy to deploy and work with. But, wait a moment! 1,607 more words

Couchbase

Running MongoDB 2 and 3 on the same computer

Manually install (untar) MongoDB 2 and 3 into two different folders, for example

.../mongodb2
.../mongodb3

Create log and data folders for each version

.../mongodb2/log
.../mongodb2/data 
.../mongodb3/log
.../mongodb3/data… 110 more words
HowTo

My Fall 2015 Schedule at Clark College

Here is my class schedule for the fall 2015 quarter:

Monday – API & Advanced Integration (CTEC 228) 6:30-8:50PM, room SHL 124

Tuesday/Thursday – Intro to Programming and Problem Solving (CTEC 121) 29 more words

Clark College