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Works (24)

IONIA: high-performance replication for modern disk-based KV stores

Proceedings of the 22nd USENIX Conference on File and Storage Technologies
2024 | Conference paper
Part of ISBN: 978-1-939133-38-0
Contributors: Xu, Yi; Zhu, Henry; Pandey, Prashant; Conway, Alex; Johnson, Rob; Ganesan, Aishwarya; Alagappan, Ramnatthan
Source: Self-asserted source
Ramnatthan Alagappan

SplitFT: Fault Tolerance for Disaggregated Datacenters via Remote Memory Logging

Proceedings of the Nineteenth European Conference on Computer Systems
2024-04-22 | Conference paper | Author
DOI: 10.1145/3627703.3629561
Contributors: Xuhao Luo; Ramnatthan Alagappan; Aishwarya Ganesan
Source: Self-asserted source
Ramnatthan Alagappan

Research for Practice: Crash Consistency

Commun. ACM
2022-12 | Journal article
DOI: 10.1145/3570521
Part of ISSN: 0001-0782
Contributors: Alagappan, Ramnatthan; Alvaro, Peter
Source: Self-asserted source
Ramnatthan Alagappan

Crash Consistency: Keeping Data Safe in the Presence of Crashes is a Fundamental Problem.

Queue
2022-09 | Journal article
DOI: 10.1145/3561654
Part of ISSN: 1542-7730
Contributors: Alagappan, Ram; Alvaro, Peter
Source: Self-asserted source
Ramnatthan Alagappan

Exploiting Nil-External Interfaces for Fast Replicated Storage

ACM Trans. Storage
2022-09 | Journal article
DOI: 10.1145/3542821
Part of ISSN: 1553-3077
Contributors: Ganesan, Aishwarya; Alagappan, Ramnatthan; Rebello, Anthony; Arpaci-Dusseau, Andrea C.; Arpaci-Dusseau, Remzi H.
Source: Self-asserted source
Ramnatthan Alagappan

Reasoning about Modern Datacenter Infrastructures Using Partial Histories

Proceedings of the Workshop on Hot Topics in Operating Systems
2021 | Conference paper
DOI: 10.1145/3458336.3465276
Part of ISBN: 9781450384384
Contributors: Sun, Xudong; Suresh, Lalith; Ganesan, Aishwarya; Alagappan, Ramnatthan; Gasch, Michael; Tang, Lilia; Xu, Tianyin
Source: Self-asserted source
Ramnatthan Alagappan

The Storage Hierarchy is Not a Hierarchy: Optimizing Caching on Modern Storage Devices with Orthus

19th USENIX Conference on File and Storage Technologies, FAST 2021, February 23-25, 2021
2021 | Conference paper
URI:

https://www.usenix.org/conference/fast21/presentation/wu-kan
Contributors: Kan Wu and Zhihan Guo and Guanzhou Hu and Kaiwei Tu and Ramnatthan Alagappan and Rathijit Sen and Kwanghyun Park and Andrea C. Arpaci-Dusseau and Remzi H. Arpaci-Dusseau; Marcos K. Aguilera and Gala Yadgar
Source: Self-asserted source
Ramnatthan Alagappan
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Exploiting Nil-Externality for Fast Replicated Storage

Proceedings of the ACM SIGOPS 28th Symposium on Operating Systems Principles
2021-10-26 | Conference paper
DOI: 10.1145/3477132.3483543
Contributors: Aishwarya Ganesan; Ramnatthan Alagappan; Andrea C. Arpaci-Dusseau; Remzi H. Arpaci-Dusseau
Source: Self-asserted source
Ramnatthan Alagappan
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Preferred source (of 2)‎

Can Applications Recover from Fsync Failures?

ACM Trans. Storage
2021-06 | Journal article
DOI: 10.1145/3450338
Part of ISSN: 1553-3077
Contributors: Rebello, Anthony; Patel, Yuvraj; Alagappan, Ramnatthan; Arpaci-Dusseau, Andrea C.; Arpaci-Dusseau, Remzi H.
Source: Self-asserted source
Ramnatthan Alagappan

Strong and Efficient Consistency with Consistency-Aware Durability

ACM Trans. Storage
2021-01 | Journal article
DOI: 10.1145/3423138
Part of ISSN: 1553-3077
Contributors: Ganesan, Aishwarya; Alagappan, Ramnatthan; Arpaci-Dusseau, Andrea C.; Arpaci-Dusseau, Remzi H.
Source: Self-asserted source
Ramnatthan Alagappan

From WiscKey to Bourbon: A Learned Index for Log-Structured Merge Trees

14th USENIX Symposium on Operating Systems Design and Implementation, OSDI 2020, Virtual Event, November 4-6, 2020
2020 | Conference paper
URI:

https://www.usenix.org/conference/osdi20/presentation/dai
Contributors: Yifan Dai and Yien Xu and Aishwarya Ganesan and Ramnatthan Alagappan and Brian Kroth and Andrea C. Arpaci-Dusseau and Remzi H. Arpaci-Dusseau
Source: Self-asserted source
Ramnatthan Alagappan

Strong and Efficient Consistency with Consistency-Aware Durability

18th USENIX Conference on File and Storage Technologies, FAST 2020, Santa Clara, CA, USA, February 24-27, 2020
2020 | Conference paper
URI:

https://www.usenix.org/conference/fast20/presentation/ganesan
Contributors: Aishwarya Ganesan and Ramnatthan Alagappan and Andrea C. Arpaci-Dusseau and Remzi H. Arpaci-Dusseau; Sam H. Noh and Brent Welch
Source: Self-asserted source
Ramnatthan Alagappan

Fault-Tolerance, Fast and Slow: Exploiting Failure Asynchrony in Distributed Systems

Proceedings of the 13th USENIX Conference on Operating Systems Design and Implementation
2018 | Conference paper
Part of ISBN: 9781931971478
Contributors: Alagappan, Ramnatthan; Ganesan, Aishwarya; Liu, Jing; Arpaci-Dusseau, Andrea C.; Arpaci-Dusseau, Remzi H.
Source: Self-asserted source
Ramnatthan Alagappan

Protocol-Aware Recovery for Consensus-Based Storage

16th USENIX Conference on File and Storage Technologies, FAST 2018, Oakland, CA, USA, February 12-15, 2018
2018 | Conference paper
URI:

https://www.usenix.org/conference/fast18/presentation/alagappan
Contributors: Ramnatthan Alagappan and Aishwarya Ganesan and Eric Lee and Aws Albarghouthi and Vijay Chidambaram and Andrea C. Arpaci-Dusseau and Remzi H. Arpaci-Dusseau; Nitin Agrawal and Raju Rangaswami
Source: Self-asserted source
Ramnatthan Alagappan

Protocol-Aware Recovery for Consensus-Based Distributed Storage

ACM Trans. Storage
2018-10 | Journal article
DOI: 10.1145/3241062
Part of ISSN: 1553-3077
Contributors: Alagappan, Ramnatthan; Ganesan, Aishwarya; Lee, Eric; Albarghouthi, Aws; Chidambaram, Vijay; Arpaci-Dusseau, Andrea C.; Arpaci-Dusseau, Remzi H.
Source: Self-asserted source
Ramnatthan Alagappan

Application Crash Consistency and Performance with CCFS

15th USENIX Conference on File and Storage Technologies, FAST 2017, Santa Clara, CA, USA, February 27 - March 2, 2017
2017 | Conference paper
URI:

https://www.usenix.org/conference/fast17/technical-sessions/presentation/pillai
Contributors: Thanumalayan Sankaranarayana Pillai and Ramnatthan Alagappan and Lanyue Lu and Vijay Chidambaram and Andrea C. Arpaci-Dusseau and Remzi H. Arpaci-Dusseau; Geoff Kuenning and Carl A. Waldspurger
Source: Self-asserted source
Ramnatthan Alagappan

Atomic In-Place Updates for Non-Volatile Main Memories with Kamino-Tx

Proceedings of the Twelfth European Conference on Computer Systems
2017 | Conference paper
DOI: 10.1145/3064176.3064215
Part of ISBN: 9781450349383
Contributors: Memaripour, Amirsaman; Badam, Anirudh; Phanishayee, Amar; Zhou, Yanqi; Alagappan, Ramnatthan; Strauss, Karin; Swanson, Steven
Source: Self-asserted source
Ramnatthan Alagappan

Redundancy Does Not Imply Fault Tolerance: Analysis of Distributed Storage Reactions to Single Errors and Corruptions

15th USENIX Conference on File and Storage Technologies, FAST 2017, Santa Clara, CA, USA, February 27 - March 2, 2017
2017 | Conference paper
URI:

https://www.usenix.org/conference/fast17/technical-sessions/presentation/ganesan
Contributors: Aishwarya Ganesan and Ramnatthan Alagappan and Andrea C. Arpaci-Dusseau and Remzi H. Arpaci-Dusseau; Geoff Kuenning and Carl A. Waldspurger
Source: Self-asserted source
Ramnatthan Alagappan

Application Crash Consistency and Performance with CCFS

ACM Trans. Storage
2017-09 | Journal article
DOI: 10.1145/3119897
Part of ISSN: 1553-3077
Contributors: Pillai, Thanumalayan Sankaranarayana; Alagappan, Ramnatthan; Lu, Lanyue; Chidambaram, Vijay; Arpaci-Dusseau, Andrea C.; Arpaci-Dusseau, Remzi H.
Source: Self-asserted source
Ramnatthan Alagappan

Redundancy Does Not Imply Fault Tolerance: Analysis of Distributed Storage Reactions to File-System Faults

ACM Trans. Storage
2017-09 | Journal article
DOI: 10.1145/3125497
Part of ISSN: 1553-3077
Contributors: Ganesan, Aishwarya; Alagappan, Ramnatthan; Arpaci-Dusseau, Andrea C.; Arpaci-Dusseau, Remzi H.
Source: Self-asserted source
Ramnatthan Alagappan

Correlated Crash Vulnerabilities

Proceedings of the 12th USENIX Conference on Operating Systems Design and Implementation
2016 | Conference paper
Part of ISBN: 9781931971331
Contributors: Alagappan, Ramnatthan; Ganesan, Aishwarya; Patel, Yuvraj; Pillai, Thanumalayan Sankaranarayana; Arpaci-Dusseau, Andrea C.; Arpaci-Dusseau, Remzi H.
Source: Self-asserted source
Ramnatthan Alagappan

Crash Consistency

Commun. ACM
2015-09 | Journal article
DOI: 10.1145/2788401
Part of ISSN: 0001-0782
Contributors: Pillai, T. S.; Chidambaram, V.; Alagappan, R.; Al-Kiswany, S.; Arpaci-Dusseau, A. C.; Arpaci-Dusseau, R. H.
Source: Self-asserted source
Ramnatthan Alagappan

Crash Consistency: Rethinking the Fundamental Abstractions of the File System

Queue
2015-07 | Journal article
DOI: 10.1145/2800695.2801719
Part of ISSN: 1542-7730
Contributors: Pillai, Thanumalayan Sankaranarayana; Chidambaram, Vijay; Alagappan, Ramnatthan; Al-Kiswany, Samer; Arpaci-Dusseau, Andrea C.; Arpaci-Dusseau, Remzi H.
Source: Self-asserted source
Ramnatthan Alagappan

All File Systems Are Not Created Equal: On the Complexity of Crafting Crash-Consistent Applications

Proceedings of the 11th USENIX Conference on Operating Systems Design and Implementation
2014 | Conference paper
Part of ISBN: 9781931971164
Contributors: Pillai, Thanumalayan Sankaranarayana; Chidambaram, Vijay; Alagappan, Ramnatthan; Al-Kiswany, Samer; Arpaci-Dusseau, Andrea C.; Arpaci-Dusseau, Remzi H.
Source: Self-asserted source
Ramnatthan Alagappan
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