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8 Commits

Author SHA1 Message Date
Renxuan Wang 316ea60232 Prefer IPv6 in hostname resolving. 2022-07-28 20:07:16 -07:00
Renxuan Wang 30e124c09b Remove HostnameStatus and resolve trigger. 
They are no longer needed since we have coordinators DNS cache; and they are introducing complex crashes.
 2022-05-12 10:13:55 -07:00
Renxuan Wang e40cc8722c
A few hostname improvements. (#6825) 
* Add tryResolveHostnames() in connection string.

* Add missing hostname to related interfaces.

* Do not pass RequestStream into *GetReplyFromHostname() functions.

Because we are using new RequestStream for each request anyways. Also, the passed in pointer could be nullptr, which results in seg faults.

* Add dynamic hostname resolve and reconnect intervals.

* Address comments.
 2022-04-20 13:42:46 -07:00
Renxuan Wang 938e8ed996 Do not throw lookup_failed when resolving fails. 
Instead, return an empty Optional<NetworkAddress>. For resolveWithRetry(), still return NetworkAddress because it retries until succeed.
 2022-04-08 14:21:49 -07:00
Renxuan Wang f3a8ac21be Change resolve functions in hostname to return network address. 2022-04-08 14:21:49 -07:00
Renxuan Wang a752faf122 resolveFinish should be triggered when resolve succeeds. 2022-04-08 14:21:49 -07:00
Renxuan Wang 267c4deaee
Add tryGetReplyFromHostname() and retryGetReplyFromHostname(). (#6761) 
* Add hostname to coordination interfaces.

* Add tryGetReplyFromHostname() and retryGetReplyFromHostname().

* Change tryGetReplyFromHostname() to call hostname.resolve().

* Add throw for actor_cancelled.
 2022-04-06 10:47:00 -07:00
Renxuan Wang 465ff712b6
Move Hostname to its own files. (#6759) 
* Change DNS cache to use std::map.

Revert commit 90c259d84e, because if we use unordered_map, toString() can be inconsistent.

* Move ClientKnob::COORDINATOR_HOSTNAME_RESOLVE_DELAY to FlowKnob::HOSTNAME_RESOLVE_DELAY.

* Move Hostname to its own files.

Also, add resolve-related variables and functions in Hostname.
 2022-04-04 19:04:51 -07:00