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Revision faba3fb53defe4fa32f32202d459726ad49f4033 authored by Andrew Kryczka on 06 April 2018, 03:58:35 UTC, committed by Facebook Github Bot on 06 April 2018, 04:13:21 UTC 
protect valid backup files when max_valid_backups_to_open is set
 
Summary:
When `max_valid_backups_to_open` is set, the `BackupEngine` doesn't know about the files referenced by existing backups. This PR prevents us from deleting valid files when that option is set, in cases where we are unable to accurately determine refcount. There are warnings logged when we may miss deleting unreferenced files, and a recommendation in the header for users to periodically unset this option and run a full `GarbageCollect`.
Closes https://github.com/facebook/rocksdb/pull/3518

Differential Revision: D7008331

Pulled By: ajkr

fbshipit-source-id: 87907f964dc9716e229d08636a895d2fc7b72305
1 parent 6571770
Raw File
Vagrantfile 
# Vagrant file
Vagrant.configure("2") do |config|

  config.vm.provider "virtualbox" do |v|
    v.memory = 4096
    v.cpus = 2
  end

  config.vm.define "ubuntu14" do |box|
    box.vm.box = "ubuntu/trusty64"
  end

  config.vm.define "centos65" do |box|
    box.vm.box = "chef/centos-6.5"
  end

  config.vm.define "centos7" do |box|
    box.vm.box = "centos/7"
    box.vm.provision "shell", path: "build_tools/setup_centos7.sh"
  end

  config.vm.define "FreeBSD10" do |box|
    box.vm.guest = :freebsd
    box.vm.box = "robin/freebsd-10"
    # FreeBSD does not support 'mount_virtualbox_shared_folder', use NFS
    box.vm.synced_folder ".", "/vagrant", :nfs => true, id: "vagrant-root"
    box.vm.network "private_network", ip: "10.0.1.10"

    # build everything after creating VM, skip using --no-provision
    box.vm.provision "shell", inline: <<-SCRIPT
      pkg install -y gmake clang35
      export CXX=/usr/local/bin/clang++35
      cd /vagrant
      gmake clean
      gmake all OPT=-g
    SCRIPT
  end

end
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