Have you checked the log files of Solr?
Do you have a service mesh in-between? Could it be something at the network layer/container orchestration that is blocking requests for some minutes? > Am 20.11.2019 um 10:32 schrieb Koen De Groote <koen.degro...@limecraft.com>: > > Hello > > I was testing some backup/restore scenarios. > > 1 of them is Solr7.6 in a docker container(7.6.0-slim), set up as > SolrCloud, with zookeeper. > > The steps are as follows: > > 1. Manually delete the data folder. > 2. Restart the container. The process is now in error mode, complaining > that it cannot find the cores. > 3. Fix the install, meaning create new data folders, which are empty at > this point. > 4. Restart the container again, to pick up the empty folders and not be in > error anymore. > 5. Perform the restore > 6. Check if everything is available again > > The problem is between step 4 and 5. After step 4, it takes several minutes > before solr actually responds to curl commands. > > Once responsive, the restore happened just fine. But it's very stressful in > a situation where you have to restore a production environment and the > process just doesn't respond for 5-10 minutes. > > We're talking about 20GB of data here, so not very much, but not little > either. > > Is it normal that it takes so long before solr responds? If not, what > should I look at in order to find the cause? > > I have asked this before recently, though the wording was confusing. This > should be clearer. > > Kind regards, > Koen De Groote
