Cloud Sync #342
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Cloud Sync #342
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This improves latency and resiliency. Latency is improved because cloud now uses a sync adapter with reads going to the local. Local reads mean low latency. Resiliency is improved because reads go to local which means if cloud is unavailable most reads will be fine other than a few slow ones when syncs are attempted (because they are not in background thread currently).
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This uses the sync adapter for cloud. It allows people to set a local adapter to keep in sync with remote. The default is in memory which is similar to using the active support in memory caching that we were recommending for cloud. The primary difference is that this is resilient to cloud being unavailable because exceptions are rescued and the local is persisted across restarts (assuming you are using active record, redis, mongo, or whatever instead of the default memory adapter). It also persists longer because the in memory cache expires, but this does not.