Introducing index IO operations over char buffer #2
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abhinavdangeti
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Looks good to me. Apparently I cannot approve this because I create the PR with @Thejas-bhat 's commits :| |
abhinavdangeti
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Aug 22, 2023
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On a second thought, @Thejas-bhat lets move the new APIs to a separate index_io_c_ex.cpp and index_io_c_ex.h.
Reason being - we'll likely need to be updating this fork periodically - so keeping content we've added in separate files will ensure no merge conflicts on updates.
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abhinavdangeti
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Jul 11, 2024
…Lists (facebookresearch#3327) Summary: Pull Request resolved: facebookresearch#3327 **Context** 1. [Issue 2621](facebookresearch#2621) discuss inconsistency between OnDiskInvertedList and InvertedList. OnDiskInvertedList is supposed to handle disk based multiple Index Shards. Thus, we should name it differently when merging invls from index shard. 2. [Issue 2876](facebookresearch#2876) provides usecase of shifting ids when merging invls from different shards. **In this diff**, 1. To address #1 above, I renamed the merge_from function to merge_from_multiple without touching merge_from base class. why so? To continue to allow merge invl from one index to ondiskinvl from other index. 2. To address #2 above, I have added support of shift_ids in merge_from_multiple to shift ids from different shards. This can be used when each shard has same set of ids but different data. This is not recommended if id is already unique across shards. Reviewed By: mdouze Differential Revision: D55482518 fbshipit-source-id: 95470c7449160488d2b45b024d134cbc037a2083
abhinavdangeti
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Jul 12, 2024
…Lists (facebookresearch#3327) Summary: Pull Request resolved: facebookresearch#3327 **Context** 1. [Issue 2621](facebookresearch#2621) discuss inconsistency between OnDiskInvertedList and InvertedList. OnDiskInvertedList is supposed to handle disk based multiple Index Shards. Thus, we should name it differently when merging invls from index shard. 2. [Issue 2876](facebookresearch#2876) provides usecase of shifting ids when merging invls from different shards. **In this diff**, 1. To address #1 above, I renamed the merge_from function to merge_from_multiple without touching merge_from base class. why so? To continue to allow merge invl from one index to ondiskinvl from other index. 2. To address #2 above, I have added support of shift_ids in merge_from_multiple to shift ids from different shards. This can be used when each shard has same set of ids but different data. This is not recommended if id is already unique across shards. Reviewed By: mdouze Differential Revision: D55482518 fbshipit-source-id: 95470c7449160488d2b45b024d134cbc037a2083
CascadingRadium
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Aug 16, 2024
* index io operations on char* buffer * bug fix: fill the index content to an unsigned char buf * changes with respect to read API for index io * Move read/write APIs from/to buffer to separate file --------- Co-authored-by: Thejas-bhat <thejas.orkombu@couchbase.com>
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