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Fix min_write_buffer_number_to_merge = 0 bug

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Summary:
It's possible that we set min_write_buffer_number_to_merge to 0.
This should never happen
Closes https://github.com/facebook/rocksdb/pull/1515

Differential Revision: D4183356

Pulled By: yiwu-arbug

fbshipit-source-id: c9d39d7
This commit is contained in:
Islam AbdelRahman 2016-11-15 13:38:24 -08:00 committed by Facebook Github Bot
parent 2ef92fea51
commit eba99c28e4
1 changed files with 4 additions and 0 deletions
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4
db/column_family.cc
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@ -158,6 +158,10 @@ ColumnFamilyOptions SanitizeOptions(const ImmutableDBOptions& db_options,
result.min_write_buffer_number_to_merge =
std::min(result.min_write_buffer_number_to_merge,
result.max_write_buffer_number - 1);
if (result.min_write_buffer_number_to_merge < 1) {
result.min_write_buffer_number_to_merge = 1;
}
if (result.num_levels < 1) {
result.num_levels = 1;
}