Camargos, Lásaro Wieloch, Marcin Pedone, Fernando 2006 Processing distributed transactions hinges on enforcing atomicity and durability: resource managers participating in a transaction must agree on its outcome and the transaction updates must be permanent. We introduce the log service abstraction, which gathers resource managers’ votes to commit or abort a transaction and their updates, and outputs the transaction’s outcome. Updates are made durable and non-concurrent transactions are totally ordered by the service. The sequence of updates performed by a resource manager is available as a means to consistently recover resource managers without relying on their local state. As a consequence, a remote process, whose state will be recovered from the log service, can reincarnate a crashed resource manager. Moreover, the service ensures that only one process plays the role of a given resource manager at any time. We present two highly available implementations of this service and evaluate their performance running TPC-C and a microbenchmark on a distributed database. application/pdf https://susi.usi.ch/global/documents/318281 https://n2t.net/ark:/12658/srd1318281 https://susi.usi.ch/documents/318281/files/ITR0608.pdf eng info:eu-repo/semantics/altIdentifier/ark/12658/srd1318281 info:eu-repo/semantics/openAccess License undefined info:eu-repo/classification/udc/004 A highly available log service for distributed transaction processing http://purl.org/coar/resource_type/c_816b