libgfapi interface of GlusterFS

One of the known methods to access glusterfs is via fuse module. However, it has some overhead or performance issues because of the number of context switches which need to … Continue Reading →


Docker -> fedora -> gluster .. Run gluster containers using docker … [part 1]

Everyone is talking about “docker” nowadays. I heard it can make life easier for a developer or sysadmin. If that is the case, we should try it What is docker … Continue Reading →


Play with libgfapi and its python bindings..

What is libgfapi ? User-space library for accessing data in GlusterFS Filesystem-like API Runs in application process no FUSE, no copies, no context switches …but same volfiles, translators, etc. Could … Continue Reading →


C Implementation of Red Black Tree

#include <stdio.h> #include <stdlib.h> #include<mpi.h> struct rbtNode { int key; char color; struct rbtNode *left, *right,*parent; }; struct rbtNode* root = NULL; void leftRotate(struct rbtNode *x) { struct rbtNode *y; … Continue Reading →


C Implementation of K-dimensional Tree

#include <stdio.h> struct node { int data1,data2,level; struct node *right,*left; }*root,*temp; void inorder(struct node *p) { if(p!=NULL) { inorder(p->left); printf("\t%d:%d ",p->data1,p->data2); inorder(p->right); } } void postorder(struct node *p) { if(p!=NULL) … Continue Reading →


C Implementation of LEFTIST Tree

C Implementation of LEFTIST Tree #include <stdio.h> struct node { int data,dist; struct node *right,*left; }*root,*temp,*r1,*r2; void inorder(struct node *p) { if(p!=NULL) { inorder(p->left); printf("\t%d",p->data); inorder(p->right); } } void postorder(struct … Continue Reading →


Virtualization – Time Break – Glusterfs !

hmmm.. Its been long time I am writing articles in my space.. More than 50% were virtualization oriented .. Right now I am taking a break here and planning to … Continue Reading →


Configure/install Swift and Gluster-Swift on a RHEL/CentOS system

Here is step by step guide which helps you to configure/install Swift and Gluster-Swift on a RHEL system.   Install EPEL repo: wget download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm rpm -ivh epel-release-6-8.noarch.rpm Install Openstack Repo: … Continue Reading →


virt-manager is not able to detect the ISO file ?

[ ping blog] Any way its a common complaint that, the virt-manager is not able to scan or show the iso files stored in a system … Even after making … Continue Reading →


How to list qemu device options using command line in KVM environment..

[Back to blogging after busy season of ....] Any way, its a very common query on qemu/kvm and most of the people dont know .. It is really useful to … Continue Reading →