Avi Kivity 6676ceabde Merge 'Prevent reactor stall in utils::merge_to_gently' from Benny Halevy ...

std::copy_if runs without yielding.

See https://github.com/scylladb/scylla/issues/8897#issuecomment-867522480

Also, eliminate extraneous loop on merge

first1 will point to the inserted value which is a copy of *first2.
Since list2 is sorted in ascending order, the next item from list2
will never be less than the one we've just inserted,
so we waste an iteration to merely increment first1 again.

Fixes #8897

Test: unit(dev), stall_free_test(debug)
DTest: repair_additional_test.py:RepairAdditionalTest.{repair_same_row_diff_value_3nodes_diff_shard_count_test,repair_disjoint_row_3nodes_diff_shard_count_test} (dev)

Closes #8925

* github.com:scylladb/scylla:
  utils: merge_to_gently: eliminate extraneous loop on merge
  utils: merge_to_gently: prevent stall in std::copy_if

2021-06-27 13:56:32 +03:00

..

arch/powerpc/crc32-vpmsum

utils: crc32: mark power crc32 assembly as not requiring an executable stack

2018-10-02 18:48:23 +01:00

gz

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allocation_strategy.hh

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anchorless_list.hh

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array-search.cc

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array-search.hh

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ascii.cc

utils: add fast ascii string validation

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ascii.hh

utils: add fast ascii string validation

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atomic_vector.hh

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big_decimal.cc

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big_decimal.hh

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bit_cast.hh

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bloom_calculations.cc

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bloom_filter.cc

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bounded_stats_deque.hh

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buffer_input_stream.cc

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build_id.cc

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chunked_vector.hh

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class_registrator.hh

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clmul.hh

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collection-concepts.hh

util: Drop int_or_strong_ordering concept

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compact-radix-tree.hh

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config_file_impl.hh

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config_file.cc

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config_file.hh

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coroutine.hh

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crc.hh

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data_input.hh

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date.h

date: use correct casts for years

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directories.cc

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directories.hh

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dynamic_bitset.hh

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enum_option.hh

utils/enum_option.hh: add implicit converter to the underlying enum

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error_injection.cc

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error_injection.hh

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estimated_histogram.hh

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in.hh

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input_stream.hh

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int_range.hh

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intrusive_btree.hh

btree: Improve unlink_leftmost_without_rebalance()

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intrusive-array.hh

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joinpoint.hh

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large_bitset.cc

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large_bitset.hh

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latency.hh

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like_matcher.cc

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limiting_data_source.cc

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limiting_data_source.hh

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linearizing_input_stream.hh

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loading_cache.hh

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loading_shared_values.hh

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log_heap.hh

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logalloc.cc

lsa: Use express encoder

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logalloc.hh

logalloc: get rid of unused _descendant_blocked_requests

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managed_bytes.cc

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mutable_view.hh

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preempt.hh

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small_vector.hh

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stall_free.hh

utils: merge_to_gently: eliminate extraneous loop on merge

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streaming_histogram.hh

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top_k.hh

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utf8.cc

utils/utf8.c: move includes outside of namespaces

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utf8.hh

utils: fragment_range: add a fragment iterator for FragmentedView

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UUID_gen.cc

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