Speaker - Ojaswin Mujoo

Ojaswin Mujoo is a Linux Kernel Developer at IBM, who works in the Filesystems domain, mainly on ext4. Ojaswin has been focusing on improving the performance of ext4 especially on enterprise servers and database workloads. His recent improvements to ext4 allocator improved the filesystem's performance by 2x when the FS is fragmented or undergoing lots of parallel writes, especially on large page size architectures like PowerPC. Off late he's been interested in how different databases interact with Linux FS layers and ways to eliminate bottlenecks in the kernel and improve performance. As a part of this he has also worked on how Linux kernel can provide atomic write guarantees to the userspace.