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Merge pull request #7165 from overleaf/jpa-web-load-shedding-probe

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[misc] differentiate between load-shedding and VM cycling events

GitOrigin-RevId: a22478bf7f96ac4c73f908777307d4c2b6fb25c2
This commit is contained in:
Jakob Ackermann 2022-03-23 12:02:22 +00:00 committed by Copybot
parent ac3eb878d6
commit 5a25e6aa1a
1 changed files with 24 additions and 1 deletions
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25
services/web/app/src/Features/Compile/ClsiCookieManager.js
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@ -100,6 +100,29 @@ module.exports = function (backendGroup) {
return cookies != null ? cookies[Settings.clsiCookie.key] : undefined
},
checkIsLoadSheddingEvent(clsiserverid) {
request.get(
{
url: `${Settings.apis.clsi.url}/instance-state`,
qs: { clsiserverid },
},
(err, res, body) => {
if (err) {
Metrics.inc('clsi-lb-switch-backend', 1, {
status: 'error',
})
logger.warn({ err, clsiserverid }, 'cannot probe clsi VM')
return
}
const isStillRunning =
res.statusCode === 200 && body === `${clsiserverid},UP\n`
Metrics.inc('clsi-lb-switch-backend', 1, {
status: isStillRunning ? 'load-shedding' : 'cycle',
})
}
)
},
setServerId(project_id, user_id, response, previous, callback) {
if (callback == null) {
callback = function () {}
@ -120,7 +143,7 @@ module.exports = function (backendGroup) {
// Initial assignment of a user+project or after clearing cache.
Metrics.inc('clsi-lb-assign-initial-backend')
} else {
Metrics.inc('clsi-lb-switch-backend')
this.checkIsLoadSheddingEvent(previous)
}
if (rclient_secondary != null) {
this._setServerIdInRedis(