About
Summary: A serial entrepreneur in the consumer internet space, currently having a blast…
Articles by Rahul
Activity
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We’re about to unveil PhonePe PG's Biggest Product Launch of the season! 🚀 A breakthrough that will redefine how businesses accept payments. Catch…
We’re about to unveil PhonePe PG's Biggest Product Launch of the season! 🚀 A breakthrough that will redefine how businesses accept payments. Catch…
Liked by Rahul Chari
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In this Olympics we had 15-16 serious medal contenders and we had a 40% hit rate. We had hoped for a 60-70% hit rate but I think other nations have…
In this Olympics we had 15-16 serious medal contenders and we had a 40% hit rate. We had hoped for a 60-70% hit rate but I think other nations have…
Liked by Rahul Chari
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🚨From payments and insurance to commerce, lending, and stock broking, PhonePe's businesses cover a wide range of sectors. The often-quoted quip in…
🚨From payments and insurance to commerce, lending, and stock broking, PhonePe's businesses cover a wide range of sectors. The often-quoted quip in…
Liked by Rahul Chari
Experience
Education
Publications
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Minimizing Latency and Jitter for Large-Scale Multimedia Repositories Through Prefix Caching
International Journal of Image and Graphics
Multimedia data poses challenges for efficient storage and retrieval due to its large size and playback timing requirements. For applications that store very large volumes of multimedia data, hierarchical storage offers a scalable and economical alternative to store data on magnetic disks. In a hierarchical storage architecture data is stored on a tape or optical disk based tertiary storage layer with the secondary storage disks serving as a cache or buffer. Due to the need for swapping media…
Multimedia data poses challenges for efficient storage and retrieval due to its large size and playback timing requirements. For applications that store very large volumes of multimedia data, hierarchical storage offers a scalable and economical alternative to store data on magnetic disks. In a hierarchical storage architecture data is stored on a tape or optical disk based tertiary storage layer with the secondary storage disks serving as a cache or buffer. Due to the need for swapping media on drives, retrieving multimedia data from tertiary storage can potentially result in large delays before playback (startup latency) begins as well as during playback (jitter). In this paper we address the important problem of reducing startup latency and jitter for very large multimedia repositories. We propose that secondary storage should not be used as a cache in the traditional manner — instead, most of the secondary storage should be used to permanently store partial objects. Furthermore, replication is employed at the tertiary storage level to avoid expensive media switching. In particular, we show that by saving the initial segments of documents permanently on secondary storage, and replicating them on tertiary storage, startup latency can be significantly reduced. Since we are effectively reducing the amount of secondary storage available for buffering the data from tertiary storage, an increase in jitter may be expected. However, our results show that the technique also reduces jitter, in contrast to the expected behavior. Our technique exploits the pattern of data access. Advance knowledge of the access pattern is helpful, but not essential. Lack of this information or changes in access patterns are handled through adaptive techniques. Our study addresses both single- and multiple-user scenarios. Our results show that startup latency can be reduced by as much as 75% and jitter practically eliminated through the use of these techniques.
Other authorsSee publication
Patents
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Multi-Fabric SAN based data migration
Issued US 8914540
Abstract: In one embodiment, a network device in a network obtains information identifying first storage and second storage. The network device notifies one or more other network devices in the network that traffic that is received by the other network devices is to be routed to the network device. The network device performs data migration from the first storage to the second storage. When the data migration from the first storage to the second storage is completed, the network device notifies…
Abstract: In one embodiment, a network device in a network obtains information identifying first storage and second storage. The network device notifies one or more other network devices in the network that traffic that is received by the other network devices is to be routed to the network device. The network device performs data migration from the first storage to the second storage. When the data migration from the first storage to the second storage is completed, the network device notifies the other network devices in the network that traffic that is received by the other network devices is no longer to be routed to the network device.
Other inventorsSee patent -
High availability for intelligent applications in storage networks
Issued US 7711820
Methods and apparatus provide formation and management of intelligent application clusters in a storage area network. Disk arbitration mechanisms ensure that a cluster is owned by a single member. In the event of a network partition, each cluster member involved arbitrates to gain ownership of a cluster. High availability mechanisms allow monitoring of system resources and effective failover capabilities.
Honors & Awards
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Outstanding Alumni of 2015
Department of Computer Science, Purdue University
Selected by the Department of Computer Science to receive the prestigious honor of Outstanding Alumni of 2015 for industry achievements in the field of study
https://www.cs.purdue.edu/news/OutstandingAlumni2015.html
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Join now to viewMore activity by Rahul
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In our previous post, you learned about the benefits of SDUI and the basics of LiquidUI. In this second part of the series, we dive deeper into the…
In our previous post, you learned about the benefits of SDUI and the basics of LiquidUI. In this second part of the series, we dive deeper into the…
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And a quarter of a century rolled by Mumbai was on the cusp of welcoming the monsoons in June 1999 but tucked away in a quiet part of the suburb of…
And a quarter of a century rolled by Mumbai was on the cusp of welcoming the monsoons in June 1999 but tucked away in a quiet part of the suburb of…
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We are thrilled to share that Shikhar Kapoor, Software Architect at PhonePe, was invited to speak at JSConf Budapest 2024! He shared his expertise on…
We are thrilled to share that Shikhar Kapoor, Software Architect at PhonePe, was invited to speak at JSConf Budapest 2024! He shared his expertise on…
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DPOP for prevention of Token theft Stolen web tokens can lead to malicious actors illegally authenticating and authorizing themselves to access your…
DPOP for prevention of Token theft Stolen web tokens can lead to malicious actors illegally authenticating and authorizing themselves to access your…
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I am elated to share that #PhonePe received the award for “Compliance Framework of the Year”, and was also recognised for “Compliance Team of the…
I am elated to share that #PhonePe received the award for “Compliance Framework of the Year”, and was also recognised for “Compliance Team of the…
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We are proud to announce that PhonePe has been recognized among the top 20 organizations in the Employers of the Future study for 2024; conducted…
We are proud to announce that PhonePe has been recognized among the top 20 organizations in the Employers of the Future study for 2024; conducted…
Liked by Rahul Chari
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Our recent tech blog posts have generated a lot of interest . So we thought of upping the game on the presentation of our tech blog too . I am…
Our recent tech blog posts have generated a lot of interest . So we thought of upping the game on the presentation of our tech blog too . I am…
Shared by Rahul Chari
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Market Rollercoaster goes up and down But how much can it move in a single day? Let us find out by understanding what are Circuits and how do they…
Market Rollercoaster goes up and down But how much can it move in a single day? Let us find out by understanding what are Circuits and how do they…
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Elasticsearch at PhonePe: A Leap in Real-time Analytics! Handling 100 billion events daily, we have fine-tuned our Elasticsearch to peak…
Elasticsearch at PhonePe: A Leap in Real-time Analytics! Handling 100 billion events daily, we have fine-tuned our Elasticsearch to peak…
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Secured Lending platform launch is our effort in the direction to make PhonePe end to end destination for all loan products.
Secured Lending platform launch is our effort in the direction to make PhonePe end to end destination for all loan products.
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Every payment is a conversation about the exchange of money. So enabling lightning fast messaging as part of sending payments is also central to the…
Every payment is a conversation about the exchange of money. So enabling lightning fast messaging as part of sending payments is also central to the…
Shared by Rahul Chari
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When your vendor gets acquired, you may need a new strategy. Nutanix can help minimize your risk.
When your vendor gets acquired, you may need a new strategy. Nutanix can help minimize your risk.
Liked by Rahul Chari
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Enabling shopping from trusted stores in your city. https://lnkd.in/gVYi_xUZ #pincode #phonepe
Enabling shopping from trusted stores in your city. https://lnkd.in/gVYi_xUZ #pincode #phonepe
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