[jira] [Created] (IGNITE-23323) Do not increment hybrid clock timestamp in RO transaction

["Vladislav Pyatkov (Jira)" <ji...@apache.org>]

Vladislav Pyatkov created IGNITE-23323:
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             Summary: Do not increment hybrid clock timestamp in RO transaction
                 Key: IGNITE-23323
                 URL: https://issues.apache.org/jira/browse/IGNITE-23323
             Project: Ignite
          Issue Type: Improvement
            Reporter: Vladislav Pyatkov


h3. Motivation
Hybrid clock is incremented in any time when we are getting a current timestamp. We can avoid increments, reduce latency in the case of RO transactions, and replace the cas operation with the only volatile read.
{code}
    @Override
    public long nonUniqNow() {
        return latestTime;
    }
    @Override
    public HybridTimestamp nonUniqTimestampNow() {
        return hybridTimestamp(latestTime);
    }
{code}



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