In the case of not using vnodes, sorting by token would be ideal. Chris
On Fri, Dec 13, 2024 at 6:52 AM Štefan Miklošovič <smikloso...@apache.org> wrote: > I want to add that I slightly prefer ordering by ID because for cases when > a cluster is deployed in a cloud environment, IP addresses assigned to > nodes are basically random so their sorting does not give any meaningful > advantage. In that case, sorting by ID would just order them by their > "age". > > On Fri, Dec 13, 2024 at 1:41 PM Štefan Miklošovič <smikloso...@apache.org> > wrote: > >> Hello, >> >> I am reviewing a patch which enables sorting of nodetool's output (in >> ascending and descending direction) for every column. The rationale behind >> it is in (2). >> >> My question is, what should we sort by default? The patch does not impose >> any sorting, by default, it will be just as it is now. >> >> I think that it would be nice if the output is sorted already in some >> manner. The most obvious candidates are either ip (ip address or hostnames) >> or id (uuid). >> >> What is nice about sorting by ID is that I think that TCM introduced >> somewhat predictable node ids where every new node has ID increased by 1. >> So, default sorting by ID in ascending direction would give us the oldest >> node in a cluster as the first one in the output. >> >> On the other hand, sorting by IP addresses would give us nodes with >> lexicographically "lowest ip" as first. These also happen to be the oldest >> / first deployed. >> >> What preference do you have in this matter? >> >> Thanks >> >> (1) >> https://github.com/instaclustr/cassandra/commit/e952524f6becc9f047769a886004b8c1bf5c256d >> (2) https://issues.apache.org/jira/browse/CASSANDRA-20104 >> >
