[v13] Improve LDAP desktop discovery#30383
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zmb3 merged 1 commit intobranch/v13from Aug 14, 2023
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In environments with many desktops where some DNS queries time out, we can run in to situations where the discovery loop doesn't complete before the desktop's 10m TTL expires, causing desktops to disappear and reappear sporadically. - Increase the TTL for LDAP-discovered desktops to 30m. This won't harm UX, since desktops that stop being discovered are already purged prior to their expiration. - Perform both DNS queries (via the default resolver and by hitting the LDAP server directly) in parallel. This reduces the maximum time a single lookup can take from 20s to 5s.
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In environments with many desktops where some DNS queries time out, we can run in to situations where the discovery loop doesn't complete before the desktop's 10m TTL expires, causing desktops to disappear and reappear sporadically.
Backports #30277