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https://issues.apache.org/jira/browse/CASSANDRA-14351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17771523#comment-17771523
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Thomas Cataldo commented on CASSANDRA-14351:
--------------------------------------------
I'm not using it right now for cassandra, but this is it, you just switch to
type=notify when the systemd class is in use.
Here is an exemple service file we use with our systemd support :
{noformat}
[Unit]
Description=BlueMind Node Server
ConditionPathExists=!/etc/bm/bm-node.disabled
StartLimitIntervalSec=30
StartLimitBurst=2
After=bm-pimp.service
PartOf=bluemind.target
[Service]
Type=notify
Restart=on-failure
OOMPolicy=kill
LimitNOFILE=65536
WorkingDirectory=/var/log
TimeoutStartSec=90s
GuessMainPID=no
RemainAfterExit=no
SuccessExitStatus=129 143
Environment="PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin"
Environment=JAVA_HOME=/usr/lib/jvm/bm-jdk
ExecStart=/usr/share/bm-node/bm-node /var/run/bm-node.pid
# enabling on one component enables accounting on the whole slice, which is
what we want
CPUAccounting=yes
MemoryAccounting=yes
[Install]
WantedBy=bluemind.target
{noformat}
> Support systemd SD_NOTIFY interface during startup
> --------------------------------------------------
>
> Key: CASSANDRA-14351
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14351
> Project: Cassandra
> Issue Type: Improvement
> Components: Packaging
> Reporter: Thomas Bechtold
> Assignee: Stefan Miklosovic
> Priority: Normal
> Fix For: 4.0.x, 4.1.x, 5.0.x, 5.x
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> When cassandra is started via systemd, it would be nice to support the
> [SD_NOTIFY|https://www.freedesktop.org/software/systemd/man/sd_notify.html]
> protocol so systemd know, when cassandra is ready (that can be use for
> dependencies or when you need to wait until cassandra startup is done).
> A very simple implementation could be done using the
> {code:java}
> systemd-notify --ready
> {code}
> command line tool (and ignore it if the tool is not there)
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