# Upgrade from 0.90.5 to 0.90.9 **URL:** \ **Category:** Elasticsearch\ **Created:** [January 5, 2014, 5:58pm UTC](https://discuss.elastic.co/t/upgrade-from-0-90-5-to-0-90-9/15109 "2014-01-05T17:58:50Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![Robin\_Verlangen](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/robin_verlangen/32/1542_2.png) [@Robin\_Verlangen](https://discuss.elastic.co/u/Robin_Verlangen)\ **Post date:** [January 5, 2014, 5:58pm UTC](https://discuss.elastic.co/t/upgrade-from-0-90-5-to-0-90-9/15109/1 "2014-01-05T17:58:50Z")
Hi there, We currently run on ES 0.90.5 and are willing to upgrade to the latest version within a couple of weeks. I have already read the release notes, and apart from a minor Lucene upgrade to 4.0.6 there's not much that seems to be in the way of doing a roling upgrade. Is there anything I missed, or is it simply possible by flipping over one node at a time? And even being able to downgrade if something goes wrong? Best regards, Robin Verlangen _Chief Data Architect_ W [http://www.robinverlangen.nl](http://www.robinverlangen.nl) E robin@us2.nl [http://goo.gl/Lt7BC](http://goo.gl/Lt7BC) _What is CloudPelican? [http://goo.gl/HkB3D](http://goo.gl/HkB3D)_ Disclaimer: The information contained in this message and attachments is intended solely for the attention and use of the named addressee and may be confidential. If you are not the intended recipient, you are reminded that the information remains the property of the sender. You must not use, disclose, distribute, copy, print or rely on this e-mail. If you have received this message in error, please contact the sender immediately and irrevocably delete this message and any copies. -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/CADVHTB-7Fui0qm1e-u3SoZh5OBwMDLoYFtHzUwa%2B\_VxVV0ggTA%40mail.gmail.com](https://groups.google.com/d/msgid/elasticsearch/CADVHTB-7Fui0qm1e-u3SoZh5OBwMDLoYFtHzUwa%2B_VxVV0ggTA%40mail.gmail.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![nik9000](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/nik9000/32/44947_2.png) [@nik9000](https://discuss.elastic.co/u/nik9000)\ **Post date:** [January 5, 2014, 6:19pm UTC](https://discuss.elastic.co/t/upgrade-from-0-90-5-to-0-90-9/15109/2 "2014-01-05T18:19:05Z")
On Sun, Jan 5, 2014 at 12:58 PM, Robin Verlangen [robin@us2.nl](mailto:robin@us2.nl) wrote: > Hi there, > > We currently run on ES 0.90.5 and are willing to upgrade to the latest > version within a couple of weeks. I have already read the release notes, > and apart from a minor Lucene upgrade to 4.0.6 there's not much that seems > to be in the way of doing a roling upgrade. > > Is there anything I missed, or is it simply possible by flipping over one > node at a time? And even being able to downgrade if something goes wrong? You can do a rolling upgrade. You should turn off shard reallocation during that process though. The only way to go back if there is a problem is to restore from backup/rebuild from scratch. Once the new version of Elasticsearch starts writing to the index it'll create segments that can't be read by the old version. Nik > Disclaimer: The information contained in this message and attachments is > intended solely for the attention and use of the named addressee and may be > confidential. If you are not the intended recipient, you are reminded that > the information remains the property of the sender. You must not use, > disclose, distribute, copy, print or rely on this e-mail. If you have > received this message in error, please contact the sender immediately and > irrevocably delete this message and any copies. I know this was probably added automatically but sending this kind of text to a mailing is hilarious. -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/CAPmjWd3ziPZALZGEat4HP4KYcafW-2OYMhTN5g-D0CSxfAXTxQ%40mail.gmail.com](https://groups.google.com/d/msgid/elasticsearch/CAPmjWd3ziPZALZGEat4HP4KYcafW-2OYMhTN5g-D0CSxfAXTxQ%40mail.gmail.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![Robin\_Verlangen](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/robin_verlangen/32/1542_2.png) [@Robin\_Verlangen](https://discuss.elastic.co/u/Robin_Verlangen)\ **Post date:** [January 5, 2014, 6:57pm UTC](https://discuss.elastic.co/t/upgrade-from-0-90-5-to-0-90-9/15109/3 "2014-01-05T18:57:03Z")
Hi Nikolas, Thank you for your swift reply. Restoring would be not such a big deal as we have backups in place. The mail footer is indeed added automatically, haha 😉 Best regards, Robin Verlangen _Chief Data Architect_ W [http://www.robinverlangen.nl](http://www.robinverlangen.nl) E robin@us2.nl [http://goo.gl/Lt7BC](http://goo.gl/Lt7BC) _What is CloudPelican? [http://goo.gl/HkB3D](http://goo.gl/HkB3D)_ Disclaimer: The information contained in this message and attachments is intended solely for the attention and use of the named addressee and may be confidential. If you are not the intended recipient, you are reminded that the information remains the property of the sender. You must not use, disclose, distribute, copy, print or rely on this e-mail. If you have received this message in error, please contact the sender immediately and irrevocably delete this message and any copies. On Sun, Jan 5, 2014 at 7:19 PM, Nikolas Everett [nik9000@gmail.com](mailto:nik9000@gmail.com) wrote: > On Sun, Jan 5, 2014 at 12:58 PM, Robin Verlangen [robin@us2.nl](mailto:robin@us2.nl) wrote: > > > Hi there, > > > > We currently run on ES 0.90.5 and are willing to upgrade to the latest > > version within a couple of weeks. I have already read the release notes, > > and apart from a minor Lucene upgrade to 4.0.6 there's not much that seems > > to be in the way of doing a roling upgrade. > > > > Is there anything I missed, or is it simply possible by flipping over one > > node at a time? And even being able to downgrade if something goes wrong? > > You can do a rolling upgrade. You should turn off shard reallocation > during that process though. The only way to go back if there is a problem > is to restore from backup/rebuild from scratch. Once the new version of > Elasticsearch starts writing to the index it'll create segments that can't > be read by the old version. > > Nik > > > Disclaimer: The information contained in this message and attachments is > > intended solely for the attention and use of the named addressee and may be > > confidential. If you are not the intended recipient, you are reminded that > > the information remains the property of the sender. You must not use, > > disclose, distribute, copy, print or rely on this e-mail. If you have > > received this message in error, please contact the sender immediately and > > irrevocably delete this message and any copies. > > I know this was probably added automatically but sending this kind of text > to a mailing is hilarious. > > -- > You received this message because you are subscribed to the Google Groups > "elasticsearch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). > To view this discussion on the web visit > [https://groups.google.com/d/msgid/elasticsearch/CAPmjWd3ziPZALZGEat4HP4KYcafW-2OYMhTN5g-D0CSxfAXTxQ%40mail.gmail.com](https://groups.google.com/d/msgid/elasticsearch/CAPmjWd3ziPZALZGEat4HP4KYcafW-2OYMhTN5g-D0CSxfAXTxQ%40mail.gmail.com) > . > For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/CADVHTB9x6LtQCJfdxQeYCphoESa2DAggZ-UcgWU9rTjXbVMmjw%40mail.gmail.com](https://groups.google.com/d/msgid/elasticsearch/CADVHTB9x6LtQCJfdxQeYCphoESa2DAggZ-UcgWU9rTjXbVMmjw%40mail.gmail.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![jprante](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jprante/32/44941_2.png) [@jprante](https://discuss.elastic.co/u/jprante)\ **Post date:** [January 5, 2014, 7:00pm UTC](https://discuss.elastic.co/t/upgrade-from-0-90-5-to-0-90-9/15109/4 "2014-01-05T19:00:41Z")
0.90.9 uses Lucene 4.6 which is a pretty significant feature update. [http://lucene.apache.org/core/4\_6\_0/changes/Changes.html](http://lucene.apache.org/core/4_6_0/changes/Changes.html) Jörg On Sun, Jan 5, 2014 at 6:58 PM, Robin Verlangen [robin@us2.nl](mailto:robin@us2.nl) wrote: > I have already read the release notes, and apart from a minor Lucene > upgrade to 4.0.6 there's not much that seems to be in the way of doing a > roling upgrade. -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/CAKdsXoFLvK%2BqfzSygTXhW05KeXO1QuanK1uYW25Ra7Ggek500Q%40mail.gmail.com](https://groups.google.com/d/msgid/elasticsearch/CAKdsXoFLvK%2BqfzSygTXhW05KeXO1QuanK1uYW25Ra7Ggek500Q%40mail.gmail.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![nik9000](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/nik9000/32/44947_2.png) [@nik9000](https://discuss.elastic.co/u/nik9000)\ **Post date:** [January 5, 2014, 7:08pm UTC](https://discuss.elastic.co/t/upgrade-from-0-90-5-to-0-90-9/15109/5 "2014-01-05T19:08:43Z")
I was wondering if you technically could downgrade so long as you don't write or optimize. Not that I suggest it, but it would be neat to know Sent from my iPhone > On Jan 5, 2014, at 2:00 PM, "[joergprante@gmail.com](mailto:joergprante@gmail.com)" [joergprante@gmail.com](mailto:joergprante@gmail.com) wrote: > > 0.90.9 uses Lucene 4.6 which is a pretty significant feature update. > > [Lucene Change Log](http://lucene.apache.org/core/4_6_0/changes/Changes.html) > > Jörg > > > On Sun, Jan 5, 2014 at 6:58 PM, Robin Verlangen [robin@us2.nl](mailto:robin@us2.nl) wrote: > > I have already read the release notes, and apart from a minor Lucene upgrade to 4.0.6 there's not much that seems to be in the way of doing a roling upgrade. > > -- > You received this message because you are subscribed to the Google Groups "elasticsearch" group. > To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). > To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/CAKdsXoFLvK%2BqfzSygTXhW05KeXO1QuanK1uYW25Ra7Ggek500Q%40mail.gmail.com](https://groups.google.com/d/msgid/elasticsearch/CAKdsXoFLvK%2BqfzSygTXhW05KeXO1QuanK1uYW25Ra7Ggek500Q%40mail.gmail.com). > For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/B1CE69BF-1864-4750-915C-EC66A5707626%40gmail.com](https://groups.google.com/d/msgid/elasticsearch/B1CE69BF-1864-4750-915C-EC66A5707626%40gmail.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![Robin\_Verlangen](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/robin_verlangen/32/1542_2.png) [@Robin\_Verlangen](https://discuss.elastic.co/u/Robin_Verlangen)\ **Post date:** [January 5, 2014, 7:36pm UTC](https://discuss.elastic.co/t/upgrade-from-0-90-5-to-0-90-9/15109/6 "2014-01-05T19:36:32Z")
Thanks Jörg, it was not such of the features, but more like not breaking things. The current feature set of ES in 0.90.5 is sufficient at this moment, so the only beneficial would be related to stability, performance, etc. @Nik: it would indeed be interesting. If this would be the case it might be better to "freeze" the cluster and perform the upgrade. Test a couple of things and "unfreeze" again. Best regards, Robin Verlangen _Chief Data Architect_ W [http://www.robinverlangen.nl](http://www.robinverlangen.nl) E robin@us2.nl [http://goo.gl/Lt7BC](http://goo.gl/Lt7BC) _What is CloudPelican? [http://goo.gl/HkB3D](http://goo.gl/HkB3D)_ Disclaimer: The information contained in this message and attachments is intended solely for the attention and use of the named addressee and may be confidential. If you are not the intended recipient, you are reminded that the information remains the property of the sender. You must not use, disclose, distribute, copy, print or rely on this e-mail. If you have received this message in error, please contact the sender immediately and irrevocably delete this message and any copies. On Sun, Jan 5, 2014 at 8:08 PM, Nik Everett [nik9000@gmail.com](mailto:nik9000@gmail.com) wrote: > I was wondering if you technically could downgrade so long as you don't > write or optimize. Not that I suggest it, but it would be neat to know > > Sent from my iPhone > > On Jan 5, 2014, at 2:00 PM, "[joergprante@gmail.com](mailto:joergprante@gmail.com)" [joergprante@gmail.com](mailto:joergprante@gmail.com) > wrote: > > 0.90.9 uses Lucene 4.6 which is a pretty significant feature update. > > [Lucene Change Log](http://lucene.apache.org/core/4_6_0/changes/Changes.html) > > Jörg > > On Sun, Jan 5, 2014 at 6:58 PM, Robin Verlangen [robin@us2.nl](mailto:robin@us2.nl) wrote: > > > I have already read the release notes, and apart from a minor Lucene > > upgrade to 4.0.6 there's not much that seems to be in the way of doing a > > roling upgrade. > > > > -- > > You received this message because you are subscribed to the Google Groups > > "elasticsearch" group. > > To unsubscribe from this group and stop receiving emails from it, send an > > email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). > > To view this discussion on the web visit > > [https://groups.google.com/d/msgid/elasticsearch/CAKdsXoFLvK%2BqfzSygTXhW05KeXO1QuanK1uYW25Ra7Ggek500Q%40mail.gmail.com](https://groups.google.com/d/msgid/elasticsearch/CAKdsXoFLvK%2BqfzSygTXhW05KeXO1QuanK1uYW25Ra7Ggek500Q%40mail.gmail.com) > > . > > For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). > > -- > You received this message because you are subscribed to the Google Groups > "elasticsearch" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). > To view this discussion on the web visit > [https://groups.google.com/d/msgid/elasticsearch/B1CE69BF-1864-4750-915C-EC66A5707626%40gmail.com](https://groups.google.com/d/msgid/elasticsearch/B1CE69BF-1864-4750-915C-EC66A5707626%40gmail.com) > . > > For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). -- You received this message because you are subscribed to the Google Groups "elasticsearch" group. To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com). To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/CADVHTB-30M7NNww6dz9vkzSOh9oWqut636F7HvnWueg6zV8rBA%40mail.gmail.com](https://groups.google.com/d/msgid/elasticsearch/CADVHTB-30M7NNww6dz9vkzSOh9oWqut636F7HvnWueg6zV8rBA%40mail.gmail.com). For more options, visit [https://groups.google.com/groups/opt\_out](https://groups.google.com/groups/opt_out). ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [July 6, 2017, 1:58am UTC](https://discuss.elastic.co/t/upgrade-from-0-90-5-to-0-90-9/15109/7 "2017-07-06T01:58:15Z")