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This repository has been archived by the owner on Apr 15, 2024. It is now read-only.
Please describe the issue you observed:
The writer owns the metadata of the current ensemble only.
Previous ensemble segments of the same ledger can freely be modified
by the replication worker.
In the current code, write ledger handle, which allows reads also
are blindsided by the non-disruptive ensemble changes performed
by the replication worker. This could potentially direct readers
to a wrong destination, leading to unsuccessful reads.
Fix this problem by placing a watcher on the zk node just like
readOnlyLedgerHandle. When new metadata is received take the
older (non-current) ensemble segment information and version
number from the new metadata. BP
This is the master ticket for tracking BP-<bp-number> :
[a short description for this BP]
Proposal PR - #<pr-number>
The text was updated successfully, but these errors were encountered:
Original Issue: apache#1579
BUG REPORT
The writer owns the metadata of the current ensemble only.
Previous ensemble segments of the same ledger can freely be modified
by the replication worker.
In the current code, write ledger handle, which allows reads also
are blindsided by the non-disruptive ensemble changes performed
by the replication worker. This could potentially direct readers
to a wrong destination, leading to unsuccessful reads.
Fix this problem by placing a watcher on the zk node just like
readOnlyLedgerHandle. When new metadata is received take the
older (non-current) ensemble segment information and version
number from the new metadata.
BP
This is the master ticket for tracking BP-<bp-number> :
[a short description for this BP]
Proposal PR - #<pr-number>
The text was updated successfully, but these errors were encountered: