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Include max_write_buffer_number >= 2 to SanitizeOptions.

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Summary: Include max_write_buffer_number >= 2 to SanitizeOptions.

Test Plan: make all check

Reviewers: haobo, sdong, igor, ljin

Reviewed By: ljin

Subscribers: leveldb

Differential Revision: https://reviews.facebook.net/D19077
This commit is contained in:
Yueh-Hsuan Chiang 2014-06-16 16:26:46 -07:00
parent cadc1adffa
commit e6e259b8ab
2 changed files with 6 additions and 2 deletions
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3
db/column_family.cc
View File

@ -92,6 +92,9 @@ ColumnFamilyOptions SanitizeOptions(const InternalKeyComparator* icmp,
if (result.soft_rate_limit > result.hard_rate_limit) {
result.soft_rate_limit = result.hard_rate_limit;
}
if (result.max_write_buffer_number < 2) {
result.max_write_buffer_number = 2;
}
if (!result.prefix_extractor) {
assert(result.memtable_factory);
Slice name = result.memtable_factory->Name();

5
include/rocksdb/options.h
View File

@ -184,8 +184,9 @@ struct ColumnFamilyOptions {
size_t write_buffer_size;
// The maximum number of write buffers that are built up in memory.
// The default is 2, so that when 1 write buffer is being flushed to
// storage, new writes can continue to the other write buffer.
// The default and the minimum number is 2, so that when 1 write buffer
// is being flushed to storage, new writes can continue to the other
// write buffer.
// Default: 2
int max_write_buffer_number;