RaviTezu

#!/bin/bash
# /etc/init.d/sentry
# A debian-compatible sentry startup script
#
### BEGIN INIT INFO
# Provides:          sentry
# Required-Start:    $remote_fs $syslog $network
# Required-Stop:     $remote_fs $syslog $network
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6

RaviTezu

Setup

1. Create a new user on the system:

   sudo adduser --system --group --shell /bin/bash --home /opt/sentry sentry

2. Create the virualenv and install the required packages:

RaviTezu

// kills long running ops in MongoDB (taking seconds as an arg to define "long")
// attempts to be a bit safer than killing all by excluding replication related operations
// and only targeting queries as opposed to commands etc.
 
killLongRunningOps = function(maxSecsRunning) {
    currOp = db.currentOp();
    for (oper in currOp.inprog) {
        op = currOp.inprog[oper-0];
        if (op.secs_running > maxSecsRunning && op.op == "query" && !op.ns.startsWith("local")) {
            print("Killing opId: " + op.opid