Research

- DBMS architectures
- Impact of modern hardware (e.g. Flash memory) on DBMS

Publications

DPLP
Google Scholar

Sergey Hardock

Collaboration with Academia and Industry

I have been involved in the following academic research initiatives or industrial projects:

FlashyDB DFG Project: Impact of Flash Solid State Disks on Performance and Architecture of Data-Intensive Software Systems

Papers

NoFTL-KV: Tackling Write-Amplification on KV-Stores with Native Storage Management
T. Vincon, S. Hardock, C. Riegger, J. Oppermann, A. Koch, I. Petrov.
In Proc. EDBT 2018 [PDF]
SIAS-Chains: Snapshot Isolation Append Storage Chains
R. Gottstein, I. Petrov, S. Hardock, A. Buchmann.
In Proc. ADMS@VLDB 2017 [PDF]
Selective In-Place Appends for Real: Reducing Erases on Wear-prone DBMS Storage
S. Hardock, I. Petrov, R. Gottstein, A. Buchmann.
In Proc. ICDE 2017 [PDF] [Video]
From In-Place Updates to In-Place Appends: Revisiting Out-of-Place Updates on Flash
S. Hardock, I. Petrov, R. Gottstein, A. Buchmann.
In Proc. SIGMOD 2017 [PDF]
In-Place Appends for Real: DBMS Overwrites on Flash without Erase
S. Hardock, I. Petrov, R. Gottstein, A. Buchmann.
In Proc. EDBT 2017 [PDF]
Effective DBMS space management on native Flash.
S. Hardock, I. Petrov, R. Gottstein, A. Buchmann.
In Proc. BTW 2017 [PDF]
Revisiting DBMS Space Management for Native Flash.
S. Hardock, I. Petrov, R. Gottstein, A. Buchmann.
In Proc. EDBT 2016 [PDF]
DBMS on Modern Storage Hardware
I. Petrov, R. Gottstein, S. Hardock.
In Proc. ICDE 2015 [PDF]
NoFTL for Real: Databases on Real Native Flash Storage.
S. Hardock, I. Petrov, R. Gottstein, A. Buchmann.
In Proc. EDBT 2015 [Video] [PDF]
NoFTL: Database Systems on FTL-less Flash Storage.
S. Hardock, I. Petrov, R. Gottstein, A. Buchmann.
In Proc. VLDB 2013 [PDF]

Background and Degrees

- since October 2013: : Ph.D Student FlashyDB, Databases and Distributed Systems Group, TU-Darmstadt.