# Does Marvel degrade gracefully on ES 0.90.1?
**URL:** https://discuss.elastic.co/t/does-marvel-degrade-gracefully-on-es-0-90-1/16354
**Category:** Elasticsearch
**Created:** [March 13, 2014, 4:18pm UTC](https://discuss.elastic.co/t/does-marvel-degrade-gracefully-on-es-0-90-1/16354 "2014-03-13T16:18:32Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@Edward\_Sargisson](https://discuss.elastic.co/u/Edward_Sargisson)
#### Post date: [March 13, 2014, 4:18pm UTC](https://discuss.elastic.co/t/does-marvel-degrade-gracefully-on-es-0-90-1/16354/1 "2014-03-13T16:18:32Z")
Hi all,
Does Marvel work at all on 0.90.1 - even in a degraded fashion?
I know that its minimum is 0.90.9. I have a possible performance-related
failure to chase down where Marvel might be very useful in finding it.
However, I don't want to change the conditions of the problem until we
understand it - and upgrading to 0.90.9 may just do that.
Cheers,
Edward
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### Author:  [@Boaz\_Leskes](https://discuss.elastic.co/u/Boaz_Leskes)
#### Post date: [March 13, 2014, 4:23pm UTC](https://discuss.elastic.co/t/does-marvel-degrade-gracefully-on-es-0-90-1/16354/2 "2014-03-13T16:23:19Z")
Hi Edward,
Sadly, Marvel is incompatible with 0.90.1 and will disable itself upon
startup.
Cheers,
Boaz
On Thursday, March 13, 2014 5:18:32 PM UTC+1, Edward Sargisson wrote:
> Hi all,
> Does Marvel work at all on 0.90.1 - even in a degraded fashion?
>
> I know that its minimum is 0.90.9. I have a possible performance-related
> failure to chase down where Marvel might be very useful in finding it.
> However, I don't want to change the conditions of the problem until we
> understand it - and upgrading to 0.90.9 may just do that.
>
> Cheers,
> Edward
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 1:43am UTC](https://discuss.elastic.co/t/does-marvel-degrade-gracefully-on-es-0-90-1/16354/3 "2017-07-06T01:43:24Z")