The App Engine Memcache service requires a globally consistent view of the current serving datacenter for each application in order to guarantee strong consistency when traffic fails over to alternate datacenters. Customers using App Engine Flexible Environment, which is the successor to Managed VMs, were not impacted. Some applications in the US experienced elevated latency on gets between 14:23 and 14:31, and elevated latency on puts between 14:23 and 15:04.Ĭustomers running Managed VMs experienced failures of all HTTP requests and App Engine API calls during this incident. Datastore experienced elevated load on its servers when the outage ended due to a surge in traffic. When Memcache failed, if an application sent a surge of Datastore operations to specific entities or key ranges, then Datastore may have experienced contention or hotspotting, as described in. At this time, we believe that all the Datastore issues were caused by surges of Datastore activity due to Memcache being unavailable. Some customers experienced elevated Datastore latency and errors while Memcache was unavailable. On Monday 6 November 2017 from 12:33 to 14:23 PST, the App Engine Memcache service experienced unavailability for applications in all regions. We recognize the severity of this incident and will be undertaking a detailed review to fully understand the ways in which we must change our systems to prevent a recurrence. We sincerely apologize for the impact of this incident on your application or service. I found a workaround, you should use the chartWrapper without the dashboard, so you can pass a dataTable as parameter: var $pieChart = new Monday 6 November 2017, the App Engine Memcache service experienced unavailability for applications in all regions for 1 hour and 50 minutes. However I cannot seem to bind the filters to the larger datatable, update the grouped table, and then draw the charts based on the grouped table. I would guess that we could use the grouping function: In other words, the filters should act on the original datatable, but the charts should be based on a grouped datatable. Of course, when a control is applied everything should update. Using a pie chart as an example, without any filters there are 5 slices of the pie (Joe, Joe, Suzie, Dave, Dave) - I would like to see only three (Joe, Suzie Dave). The problem that I am having is how to show all charts by grouped values. I can appropriately create a dashboard that creates two controls (for cust_age and cust_sex) and any number of output graphs and tables all pulling from an external data source - this is pretty stock stuff, see For example, I can create a datatable such as this: salesman cust_age cust_sex quantity I am looking to create a Google charts API dashboard with filtering but I would like to chart the data based on grouped data.
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