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[Sync replication] replication: rax -> hashtable and handling of failovers#3057

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jjuleslasarte wants to merge 7 commits into
valkey-io:durabilityfrom
jjuleslasarte:with-hashtable
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[Sync replication] replication: rax -> hashtable and handling of failovers#3057
jjuleslasarte wants to merge 7 commits into
valkey-io:durabilityfrom
jjuleslasarte:with-hashtable

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@jjuleslasarte

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Part of the work for sync-replication #3037

This PR adds

  1. handling of failovers:
  • any client waiting on acks is released and freed
  • any remaining dirty data returns ERR to readers
  1. Moves from a rax tree to a hashtable based on feedback on [POC] Key blocking for dirty writes #2865

Signed-off-by: jjuleslasarte <jules.lasarte@gmail.com>
Signed-off-by: jjuleslasarte <jules.lasarte@gmail.com>
Signed-off-by: jjuleslasarte <jules.lasarte@gmail.com>
Signed-off-by: jjuleslasarte <jules.lasarte@gmail.com>
Signed-off-by: jjuleslasarte <jules.lasarte@gmail.com>
Signed-off-by: jjuleslasarte <jules.lasarte@gmail.com>
Signed-off-by: jjuleslasarte <jules.lasarte@gmail.com>
@jjuleslasarte jjuleslasarte changed the title sync replication: rax -> hashtable and handling of failovers [Sync replication] replication: rax -> hashtable and handling of failovers Jan 13, 2026
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