[hibernate-issues] [JIRA] (HHH-13979) Performance with JCache/EhCache v3 is three times slower than with old ehcache

[Alex Roytman (JIRA)]

Alex Roytman ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3Aaf412e6c-7e3f-4cbf-8528-13cb0b843224 ) *updated* an issue

Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiYzY4ODczY2VjMTZiNDMxYjg3ZGIxZGZkYzJlZWYzZGYiLCJwIjoiaiJ9 ) / Bug ( https://hibernate.atlassian.net/browse/HHH-13979?atlOrigin=eyJpIjoiYzY4ODczY2VjMTZiNDMxYjg3ZGIxZGZkYzJlZWYzZGYiLCJwIjoiaiJ9 ) HHH-13979 ( https://hibernate.atlassian.net/browse/HHH-13979?atlOrigin=eyJpIjoiYzY4ODczY2VjMTZiNDMxYjg3ZGIxZGZkYzJlZWYzZGYiLCJwIjoiaiJ9 ) Performance with JCache/EhCache v3 is three times slower than with old ehcache ( https://hibernate.atlassian.net/browse/HHH-13979?atlOrigin=eyJpIjoiYzY4ODczY2VjMTZiNDMxYjg3ZGIxZGZkYzJlZWYzZGYiLCJwIjoiaiJ9 )

Change By: Alex Roytman ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3Aaf412e6c-7e3f-4cbf-8528-13cb0b843224 )

We migrated from Hibernate 4.3.8 to 5.4.14 and migrated from old ehcache 2 to jcache with ehcache 3 based secondary cache. we noticed application being terrible slow. A simple test of bulk reading our entities and iterating over their collections showed following:

with no secondary caching - 10 sec
with old ehcache provider - 13 sec
with new jcache/ehcache 3 - 32 sec
with Apache JCS - 28 sec

Hibernate is 5.4.14, EhCache 3.8.1
my default cache config is consistent for both. in case of jcache it is

{code:xml}
<config
xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'
xmlns='http://www.ehcache.org/v3'
xmlns:jsr107='http://www.ehcache.org/v3/jsr107'
xsi:schemaLocation="
http://www.ehcache.org/v3 http://www.ehcache.org/schema/ehcache-core-3.8.xsd
http://www.ehcache.org/v3/jsr107 http://www.ehcache.org/schema/ehcache-107-ext-3.8.xsd">

<service>
<jsr107:defaults default-template="defaultCache" enable-management="false" enable-statistics="false">
</jsr107:defaults>
</service>

<cache-template name="defaultCache">
<expiry>
<ttl unit="minutes">60</ttl>
</expiry>
<heap unit="entries">20000</heap>
</cache-template>

<cache alias="default- query-results-region">
<expiry>
<ttl unit="minutes">30</ttl>
</expiry>
<heap unit="entries">200</heap>
</cache>

<cache alias="default- update-timestamps-region">
<expiry>
<ttl unit="minutes">600</ttl>
</expiry>
<heap unit="entries">50000</heap>
</cache>
</config>
{code}

I would appreciate any input
Thank you,
Alex

( https://hibernate.atlassian.net/browse/HHH-13979#add-comment?atlOrigin=eyJpIjoiYzY4ODczY2VjMTZiNDMxYjg3ZGIxZGZkYzJlZWYzZGYiLCJwIjoiaiJ9 ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-13979#add-comment?atlOrigin=eyJpIjoiYzY4ODczY2VjMTZiNDMxYjg3ZGIxZGZkYzJlZWYzZGYiLCJwIjoiaiJ9 )

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