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…edback Report to PostgreSQL only what the Klio server has actually durably received, instead of the client's own local write/send progress, and deliver that feedback as soon as it's available. The WAL Put RPC becomes bidirectional: the server now streams back a PutResult (write_lsn/flush_lsn) per batch of blocks it flushes, instead of a single result at the very end of the file. Both sides run a background goroutine to shuttle these acks without blocking the hot path, so the client can turn them into standby status updates for PostgreSQL as soon as they arrive, rather than only once the whole file is done. Assisted-by: Claude Co-authored-by: Leonardo Cecchi <leonardo.cecchi@enterprisedb.com> Signed-off-by: Francesco Canovai <francesco.canovai@enterprisedb.com>
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Report to PostgreSQL only what the Klio server has actually durably received, instead of the client's own local write/send progress, and deliver that feedback as soon as it's available.
The WAL Put RPC becomes bidirectional: the server now streams back a PutResult (write_lsn/flush_lsn) per batch of blocks it flushes, instead of a single result at the very end of the file. Both sides run a background goroutine to shuttle these acks without blocking the hot path, so the client can turn them into standby status updates for PostgreSQL as soon as they arrive, rather than only once the whole file is done.
Closes #98