It might. A lagging local checkpoint will prevent translog clean up as of version 6.2.0 : https://github.com/elastic/elasticsearch/pull/27606

---
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB