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Increase of compaction threads should be logged at info level instead of a warning

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Summary:
This log message shouldn't be a warning; some services are seeing high warning count due to this.

The count for the below line is a few hundreds of millions, as per Logview:
```
[rocksdb/src/db/column_family.cc:729] [checkpoints] Increasing compaction threads because we have 2 level-0 files
```
Closes https://github.com/facebook/rocksdb/pull/2364

Differential Revision: D5123565

Pulled By: sagar0

fbshipit-source-id: a07ce499a4f82f0ebde9cda9f4948fb9df6a734c
This commit is contained in:
Sagar Vemuri 2017-05-26 09:50:49 -07:00 committed by Facebook Github Bot
parent 6c456ecae7
commit 7bb1f5d483
1 changed files with 2 additions and 2 deletions
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4
db/column_family.cc
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@ -729,7 +729,7 @@ void ColumnFamilyData::RecalculateWriteStallConditions(
mutable_cf_options.level0_slowdown_writes_trigger)) {
write_controller_token_ =
write_controller->GetCompactionPressureToken();
ROCKS_LOG_WARN(
ROCKS_LOG_INFO(
ioptions_.info_log,
"[%s] Increasing compaction threads because we have %d level-0 "
"files ",
@ -743,7 +743,7 @@ void ColumnFamilyData::RecalculateWriteStallConditions(
write_controller_token_ =
write_controller->GetCompactionPressureToken();
if (mutable_cf_options.soft_pending_compaction_bytes_limit > 0) {
ROCKS_LOG_WARN(
ROCKS_LOG_INFO(
ioptions_.info_log,
"[%s] Increasing compaction threads because of estimated pending "
"compaction "