Try to get every metric you might want to view onto a single board for easy comparisons. When designing an Operations Dashboard for a specific platform like this, we follow these broad principles: This is a useful capability, but we can do better – it’s dashboard time! Designing an Operations Dashboard ![]() OK – How can we make better sense of all these disparate indicators, using Graylog?Īt the most basic level, if we pull all the logs from this architecture into Graylog using collectors, we can search for key terms like “ERROR” across all the different log types at once and review the results on a timeline. In the circumstances, a notepad search through a few log files for “error” is not going to cut the mustard. There can be thousands of different error events in a log, many benign and regularly occurring long before the issue was reported. Working like this, it is difficult to figure out even basic facts such as when an issue started, which types of workflow are affected or even which part of the infrastructure an error is originating from. Reading the log files directly like this is slow going even with the search tools of modern text editors. There are 14 such log files being actively written, logging a total of around 380,000 events daily. Spoiler: we hope you will not be too shocked to discover that the correct answer is a Graylog Operations Dashboard Performance metrics, looking for a resource bottleneck? The App Server logs, looking for errors? Which ones are relevant to this problem? The Web Server logs, looking for 50X status codes? Which requests are affected? The Load Balancer logs, looking for strange traffic? The on-call engineer must open their laptop, connect to the VPN and through one interface or another and seek to build a picture of what is happening. It’s a customer phoning, and they report that sometimes, maybe a tenth of the time, the web front end is returning a generic error as they try to complete a workflow. ![]() Minucious review of the clinical history about the presence and intensity of preoperative dysphagia is important in the selection of candidates for antireflux surgery.Picture a simple E-commerce platform with the following components, each generating logs and metrics. Imagine now the on-call Engineer responsible for this platform, feet up on a Sunday morning watching The Lord of The Rings with a coffee, when suddenly the on-call phone starts to ring! This study confirms that the current manometric criteria used to define esophageal dysmotility are not reliable to identify patients at risk for post-fundoplication dysphagia. Patients with significant preoperative dysphagia were more likely to report persistent postoperative dysphagia. No correlations were found with preoperative manometry. Logistic regression identified significant preopertive dysphagia as risk factor for persistent postoperative dysphagia. There was statistical association between satisfaction with surgery and postoperative dysphagia and requiring the use of antireflux medication after the procedure and between preoperative dysphagia and postoperative dysphagia. Ten patients (18,18%) required postoperative endoscopic dilatation for dysphagia. Persistent postoperaive dysphagia was reported by 20 (36,36%). Of these, 25 patients had preoperative dysphagia (45,45%). Statistical tests of association and logistic regression were used to identify risk factors associated with persistent dysphagia.Ī total of 55 patients underwent primary antireflux surgery by a single surgeon team. Dysphagia after six weeks were defined as persistent. ![]() Postoperative severity of dysphagia was evaluated prospectively using a stantardized scale. Patients who underwent laparoscopic antireflux surgery by the modified technique of Nissen were evaluated in the preoperative period retrospectively. This retrospective study evaluated the preoperative risk factors not surgery-related for persistent dysphagia after primary laparoscopic antireflux surgery. Inadequate surgical technique is a well documented cause of this result. Nevertheless, part of these patients report long-term dysphagia. Postoperative dysphagia is common after antireflux surgery and generally runs a self-limiting course.
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