ApacheKafkaisapublish/subscribemessagingsystemdesignedtosolvethisproblem.Itisoftendescribedasa“distributedcommitlog”ormorerecentlyasa“distrib‐utingstreamingplatform.”Afilesystemordatabasecommitlogisdesignedtoprovideadurablerecordofalltransactionssothattheycanbereplayedtoconsis‐te