[PDF] Top 20 Availability-based methods for distributed storage systems

... head: for monitoring, simple PINGs, in order to track other cluster nodes availability can be ...T-Man for example) in a pure P2P system, while in a hybrid ap- proach, the central server basically ... Voir le document complet

... 28 CONTENTS other reasons like information filtering. To detail this last one, information filter- ing here refers to bottlenecks due to post- and pre-filtering, such as recommen- dation engines typically favouring a ... Voir le document complet

... Abstract. Generally, the user requires customized data reflecting his current needs represented in terms of interests that are stored in his profile. Therefore, taking into account user’s profile is significant to ... Voir le document complet

... content- based way–a given fingerprint is included in the the index if its r least significant bits are 0 ...(e.g. for a sampling rate of 1/8, r is set to ...deduplication systems than in general ... Voir le document complet

... needed for state-space analysis only, indeed, traces are always fast to computed, even with large number of keys as we have experienced using varied parameters of the case study presented in section ... Voir le document complet

... of availability, Dynamo replicates all key-value pairs to multiple hosts, whose number can be configured independently for each ...used for replica ...updates for extended periods of ... Voir le document complet

... the distributed application operates ...peers’ availability patterns can vary according to local time (depending on geographical location) [12, 27]; in systems where some resources are insufficiently ... Voir le document complet

... the storage nodes ...LRC for the chosen ...higher availability than our (10,4) RS code because it can repair erased blocks faster in the presence of degraded ... Voir le document complet

... problem for the system ...be based on the detection techniques and types) is required to reduce its ...of methods that use the machine learning techniques [22] which can be supervised, ... Voir le document complet

... models for evaluating the performance of two approaches for recovering lost data in distributed storage ...the availability of data achieved by both centralized- and ... Voir le document complet

... a distributed storage sys- tem requires transferring large amounts of data before releasing the nodes in order to ensure data availability and a certain level of fault ...type for fast ... Voir le document complet

... required for modeling ...geographically distributed replicas, and c) cluster-based configuration with several Web servers inter- connected through a LAN and centralized at a single site with a load ... Voir le document complet

... Instead, references [BCH14, ROKA13, LM15, CD17] took an alternative approach and assumed that the forecast error of each wind farm was following a (previously known) probability density functions (PDFs) and that they ... Voir le document complet

... large-scale distributed systems where participants (consumers and providers) may join and leave the system at any time, but also they have special interests towards ...scale. For example, just to ... Voir le document complet

... normal for each feature and if a feature fell outside the normal range during a session, the score for the subject was ...profile based on restrictions related to group membership was ... Voir le document complet

... and actual implementation of widely used benchmarks. These benchmarks could be rendered as dedicated actors in our proposal. Future work will include the modelling of a realistic system in order to anal- yse it ... Voir le document complet

... In this work, we compare these codes with two hybrid approaches. The first was already proposed and mixes erasure codes and replication. The second one is a new proposal that we call Double Coding. We compare these ... Voir le document complet

... fit for the block reconstruction ...of storage sys- ...of systems based on ...strategies for replicated data, deriving a simple approximation for mean time to data loss by ... Voir le document complet

... is based on the analysis of the ...corresponds, for instance, to machines that are declared under different IP addresses or with different ...study; for example, those used to support offline ... Voir le document complet

... restore systems, not for data to remain available after a server ...every storage operation (data write, change or deletion) that changes the data set so that the mirrors are an exact copy of the ... Voir le document complet