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<td class="page-title-pattern-first-line " style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HHH" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-9396" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-afceea14-e071-4cf0-ac57-8133b2b4adbd" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-9396" style="color: #3b73af; text-decoration: none">HHH-9396</a>
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<td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HHH-9396" style="color: #3b73af; text-decoration: none">Hibernate performance degradation for persist and merge after upgrade from 3.6 to 4.3.5</a> </span>
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Issue Type:
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<td class="has-icon" style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-static-bug-afceea14-e071-4cf0-ac57-8133b2b4adbd" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /> Bug
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Affects Versions:
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4.3.5
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Assignee:
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Unassigned
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Attachments:
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PerfTest.java, UserLoginHistoryEntry.java
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Components:
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entity-manager
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Created:
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12/Sep/2014 05:05 AM
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Environment:
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JUnit 4.11, Oracle 11.2.0.3, ContiPerf 2.3.2
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Labels:
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performance
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Priority:
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Reporter:
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="Deepak Raut" id="email_Deepak Raut" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=Deepak+Raut" style="color:#6c797f;; color: #3b73af; text-decoration: none">Deepak Raut</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">We did a performance test with ContiPerf <a href="http://databene.org/contiperf" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">http://databene.org/contiperf</a> and found performance degradation.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Test includes persisting and merging of POJO class without any associations. Attached are - 1) Entity class 2) Test cases</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Below are the test results for multi-threaded tests-</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0"><b>with hibernate 4.3.5</b> :-<br /> persist(test1) - 20000 invocations, 8 threads, rampup 1000ms - 42,381 ms<br /> Throughput: 456 / s <br /> Min. latency: 5 ms <br /> Average latency: 16 ms <br /> Median: 13 ms <br /> 90%: 23 ms <br /> Max latency: 460 ms </p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">select + merge (test2) - 20000 invocations, 8 threads, rampup 1000ms - 86,177 ms<br /> Throughput: 232 / s <br /> Min. latency: 7 ms <br /> Average latency: 33 ms <br /> Median: 29 ms <br /> 90%: 49 ms <br /> Max latency: 535 ms </p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">-----------------------------------------<br /> <b>with hibernate 3.6</b> :-</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">persist(test1) - 20000 invocations, 8 threads, rampup 1000ms - 32,442 ms<br /> Throughput: 616 / s <br /> Min. latency: 4 ms <br /> Average latency: 11 ms <br /> Median: 9 ms <br /> 90%: 15 ms <br /> Max latency: 470 ms </p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">select + merge(test2) - 20000 invocations, 8 threads, rampup 1000ms - 63,798 ms <br /> Throughput: 313 / s <br /> Min. latency: 6 ms <br /> Average latency: 24 ms <br /> Median: 19 ms <br /> 90%: 38 ms <br /> Max latency: 535 ms </p>
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