Vinay Chella created CASSANDRA-15023:
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Summary: Scheduled tasks in management process
Key: CASSANDRA-15023
URL: https://issues.apache.org/jira/browse/CASSANDRA-15023
Project: Cassandra
Issue Type: Sub-task
Components: Tool/nodetool
Reporter: Vinay Chella
Assignee: Vinay Chella
Scheduled tasks in a management process operate some task on a periodic or
scheduled basis (e.g. periodic cleanups, compactions, flushes, backups etc…).
We propose pluggable scheduled jobs which allow users to achieve simple yet
powerful operations activities that are frequently required in Cassandra.
Basically, these are cron jobs.
*Proposed Scope*
* _GET /v1/scheduled/node_: Shows the scheduled tasks that run on the local
host by the sidecar. These are determined via the configuration of the
management process.
* _Cleanup_ of tables (nodetool cleanup) in Cassandra will be implemented as
part of this JIRA. This maintenance activity is an important task when your
environment is prone to lose nodes and move nodes all the time. Having
{{cleanup}} activity scheduled on a regular basis helps to maintain the
fidelity of the database.
{code:java}
# View scheduled tasks on a node
curl -i -XGET 'localhost:5000/v1/scheduled/node'
HTTP/1.0 200 OK
{
"tasks": {
"cleanup": {
"exclude_kfs": "*system*",
"cron_schedule": "1 12 * * *"
}
}
}
{code}
Reference from CIP-1: [Scheduled
Management|https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=95652224#CIP-1:ApacheCassandraManagementProcess(es)-5.Scheduledmanagement]
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