Jie Yu created MESOS-1014:
-----------------------------
Summary: Log truncation takes a long time during catch-up if the
initial position is very large
Key: MESOS-1014
URL: https://issues.apache.org/jira/browse/MESOS-1014
Project: Mesos
Issue Type: Bug
Affects Versions: 0.18.0
Reporter: Jie Yu
Fix For: 0.19.0
in src/log/leveldb.cpp
The while loop takes a long time if action.truncate().to() is very large.
{noformat}
Try<Nothing> LevelDBStorage::persist(const Action& action)
{
...
leveldb::WriteBatch batch;
// Add positions up to (but excluding) the truncate position to
// the batch starting at the first position still in leveldb.
uint64_t index = 0;
while ((first + index) < action.truncate().to()) {
batch.Delete(encode(first + index));
index++;
}
...
}
{noformat}
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