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adds back ErasureMeta::first_coding_index field #21623
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@@ Coverage Diff @@
## master #21623 +/- ##
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- Coverage 81.6% 81.4% -0.2%
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Files 511 511
Lines 143320 143440 +120
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- Hits 116976 116856 -120
- Misses 26344 26584 +240 |
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| self.set_index..self.set_index + num_coding | ||
| // first_coding_index == 0 may imply that the field is not populated. | ||
| // self.set_index to be backward compatible. | ||
| // TODO remove this once cluster is upgraded to always populate |
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Might be good to create an issue as a reminder to track this and other TODOs
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Yeah, already have draft follow up changes.
There is no harm in keeping this code as is, until those upcoming changes are ready to go.
I just need to merge this commit in an earlier release to avoid any compatibility issues.
carllin
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| let first_coding_index = if self.first_coding_index == 0 { | ||
| self.set_index | ||
| } else { | ||
| self.first_coding_index | ||
| }; |
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nice, this was pretty subtle to maintain backwards compatibility
solana-labs#16646 removed first_coding_index since the field is currently redundant and always equal to fec_set_index. However, with upcoming changes to erasure coding schema, this will no longer be the same as fec_set_index and so requires a separate field to represent.
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#16646 removed first_coding_index since the field is currently redundant and always equal to fec_set_index. However, with upcoming changes to erasure coding schema, this will no longer be the same as fec_set_index and so requires a separate field to represent. (cherry picked from commit 49ba09b) Co-authored-by: behzad nouri <[email protected]>
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#16646 removed first_coding_index since the field is currently redundant and always equal to fec_set_index. However, with upcoming changes to erasure coding schema, this will no longer be the same as fec_set_index and so requires a separate field to represent. (cherry picked from commit 49ba09b) # Conflicts: # ledger/src/blockstore.rs
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…2912) * adds back ErasureMeta::first_coding_index field (#21623) #16646 removed first_coding_index since the field is currently redundant and always equal to fec_set_index. However, with upcoming changes to erasure coding schema, this will no longer be the same as fec_set_index and so requires a separate field to represent. (cherry picked from commit 49ba09b) # Conflicts: # ledger/src/blockstore.rs * removes mergify merge conflicts Co-authored-by: behzad nouri <[email protected]>
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Problem
#16646
removed first_coding_index since the field is currently redundant and
always equal to fec_set_index.
However, with upcoming changes to erasure coding schema, this will no
longer be the same as fec_set_index and so requires a dedicated field to
represent.
Summary of Changes
ErasureMeta::first_coding_index.ErasureMetaconstruction andfec_set_index.