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https://issues.apache.org/jira/browse/CASSANDRA-15439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17840228#comment-17840228
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Brandon Williams commented on CASSANDRA-15439:
----------------------------------------------

With the failed bootstrap timeout separated out, we could take this opportunity 
to also increase it to give users some protection from the scenario you ran 
into by default, and also aid resumable bootstrap.  WDYT? /cc [~paulo]

> Token metadata for bootstrapping nodes is lost under temporary failures
> -----------------------------------------------------------------------
>
>                 Key: CASSANDRA-15439
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15439
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Cluster/Membership
>            Reporter: Josh Snyder
>            Priority: Normal
>             Fix For: 4.0.x, 4.1.x, 5.0.x
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> In CASSANDRA-8838, [~pauloricardomg] asked "hints will not be stored to the 
> bootstrapping node after RING_DELAY, since it will evicted from the TMD 
> pending ranges. Should we create a ticket to address this?"
> CASSANDRA-15264 relates to the most likely cause of such situations, where 
> the Cassandra daemon on the bootstrapping node completely crashes. Based on 
> testing with {{kill -STOP}} on a bootstrapping Cassandra JVM, I believe it 
> also is possible to remove token metadata (and thus pending ranges, and thus 
> hints) for a bootstrapping node, simply by affecting its status in the 
> failure detector. 
> A node in the cluster sees the bootstrapping node this way:
> {noformat}
> INFO  [GossipStage:1] 2019-11-27 20:41:41,101 Gossiper.java:1111 - Node 
> /PUBLIC-IP is now part of the cluster
> INFO  [GossipStage:1] 2019-11-27 20:41:41,199 Gossiper.java:1073 - 
> InetAddress /PUBLIC-IP is now UP
> INFO  [HANDSHAKE-/PRIVATE-IP] 2019-11-27 20:41:41,412 
> OutboundTcpConnection.java:565 - Handshaking version with /PRIVATE-IP
> INFO  [STREAM-INIT-/PRIVATE-IP:21233] 2019-11-27 20:42:10,019 
> StreamResultFuture.java:112 - [Stream #6219a950-1156-11ea-b45d-4d30364576c4 
> ID#0] Creating new streaming plan for Bootstrap
> INFO  [STREAM-INIT-/PRIVATE-IP:21233] 2019-11-27 20:42:10,020 
> StreamResultFuture.java:119 - [Stream #6219a950-1156-11ea-b45d-4d30364576c4, 
> ID#0] Received streaming plan for Bootstrap
> INFO  [STREAM-INIT-/PRIVATE-IP:56003] 2019-11-27 20:42:10,112 
> StreamResultFuture.java:119 - [Stream #6219a950-1156-11ea-b45d-4d30364576c4, 
> ID#0] Received streaming plan for Bootstrap
> INFO  [STREAM-IN-/PUBLIC-IP] 2019-11-27 20:42:10,179 
> StreamResultFuture.java:169 - [Stream #6219a950-1156-11ea-b45d-4d30364576c4 
> ID#0] Prepare completed. Receiving 0 files(0 bytes), sending 833 
> files(139744616815 bytes)
> INFO  [GossipStage:1] 2019-11-27 20:54:47,547 Gossiper.java:1089 - 
> InetAddress /PUBLIC-IP is now DOWN
> INFO  [GossipTasks:1] 2019-11-27 20:54:57,551 Gossiper.java:849 - FatClient 
> /PUBLIC-IP has been silent for 30000ms, removing from gossip
> {noformat}
> Since the bootstrapping node has no tokens, it is treated like a fat client, 
> and it is removed from the ring. For correctness purposes, I believe we must 
> keep storing hints for the downed bootstrapping node until it is either 
> assassinated or until a replacement attempts to bootstrap for the same token.



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