Douglas A. Whitfield on nu.federati.net

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1. Douglas A. Whitfield (musicman)'s status on Monday, 03-May-2021 12:28:20 EDT Douglas A. Whitfield

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   • LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864}
   customer is running a 72-hour test. I'm not sure if they are trying to test a DDoS or what, but the test seems to reliably fail around the 30 hour mark. Now, I haven't seen anything from the actual test. I think there is probably a security or application team involved and I am working with the systems team. In any case, Infinispan is known to not survive gc because as a cache,…
2. Douglas A. Whitfield (musicman)'s status on Friday, 30-Apr-2021 09:10:41 EDT Douglas A. Whitfield

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   • LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864}
   I should have specified, a well-functioning java app. At some level, too many full gcs is going to be bad. I was trying to figure out that number. Suffice it to say, my research suggests that my customer is WAY over the limit.
3. Douglas A. Whitfield (musicman)'s status on Thursday, 29-Apr-2021 17:30:00 EDT Douglas A. Whitfield

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   How many times would you expect a full gc in a 7 hour window? #java
4. Douglas A. Whitfield (musicman)'s status on Thursday, 29-Apr-2021 10:11:08 EDT Douglas A. Whitfield

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   Are the issues presented in https://citusdata.com/blog/2015/09/09/pgshard-learn-from-failure/ regarding failover still relevant in 2021? #postgres #pgsql #postgresql
5. Douglas A. Whitfield (musicman)'s status on Thursday, 29-Apr-2021 09:13:55 EDT Douglas A. Whitfield

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   I know someone with covid that is still calling it a flu. If it's not that bad for you, great, but genetically, it's a cold, not a flu...
6. Douglas A. Whitfield (musicman)'s status on Thursday, 29-Apr-2021 09:12:06 EDT Douglas A. Whitfield

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   • LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864}
   a very obvious example of "this is why we can't have nice things"
7. LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864} (lnxw48a1)'s status on Wednesday, 28-Apr-2021 22:51:28 EDT LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864}

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   About 70 children in #Michigan hospitalized with #COVID-19 https://nu.federati.net/url/280879 [www nbcnews com] ...
   
   The UK’s B.1.1.7 variant (more transmissible; more severe) believed to be part of the reason ... but I’ve also seen articles where they say #MI residents have gone from 70% mask use to 30%. That’s likely also a part of it.
8. Douglas A. Whitfield (musicman)'s status on Wednesday, 28-Apr-2021 15:53:37 EDT Douglas A. Whitfield

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   I see some gc-related entries in a thread dump I was given. Is it possible to see how long a gc takes from a thread dump or do we need a heap dump for that? #java
9. Douglas A. Whitfield (musicman)'s status on Tuesday, 27-Apr-2021 12:57:13 EDT Douglas A. Whitfield

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   • LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864}
   idk about that spotify one though. I will have to take a look. thanks!
10. Douglas A. Whitfield (musicman)'s status on Tuesday, 27-Apr-2021 12:56:17 EDT Douglas A. Whitfield

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    • LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864}
    the problem with a lot of thread dump analyzers, such as Samurai is they take a really basic approach to analysis. basically, there is nothing about cpu usage because it is not "in the thread dump". I'm not 100% sure what they do as it isn't open source, but it seems http://status.hackerposse.com/url/23554 checks your thread dump against known issues that are not memory related…
11. Douglas A. Whitfield (musicman)'s status on Monday, 26-Apr-2021 16:37:05 EDT Douglas A. Whitfield

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    is there anything open source like fastthread.io? I know there's Samurai, but don't seem like-for-like to me
12. Douglas A. Whitfield (musicman)'s status on Tuesday, 20-Apr-2021 17:37:07 EDT Douglas A. Whitfield

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    there's a guy on my team who tries really hard to be helpful, but really, the thing he could do to be the most helpful is learn the projects.
    
    I have other thoughts, but should probably leave it at that...
13. Douglas A. Whitfield (musicman)'s status on Monday, 19-Apr-2021 15:28:07 EDT Douglas A. Whitfield

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    What versions of #postgres have table limitations, if any? Running into issues with #pg_dump. #postgresql
14. Douglas A. Whitfield (musicman)'s status on Friday, 16-Apr-2021 14:02:21 EDT Douglas A. Whitfield

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    sadly, this provides nothing of value as to why: https://opensource.org/node/1099
    
    The claim is it's similar to the AGPL. So...how is it different?
15. Douglas A. Whitfield (musicman)'s status on Friday, 16-Apr-2021 13:55:19 EDT Douglas A. Whitfield

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    honestly, I need to figure out what is going on with MongoDB licensing, because I thought distributions dropped it
16. Douglas A. Whitfield (musicman)'s status on Friday, 16-Apr-2021 13:54:47 EDT Douglas A. Whitfield

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    Regarding #Mongodb 3.6, anything to resolve this other than upgrading?
    
    “exception: shard version not ok: version mismatch detected for”
    
    #Mongo
17. Douglas A. Whitfield (musicman)'s status on Friday, 16-Apr-2021 13:52:05 EDT Douglas A. Whitfield

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    • LinuxWalt (@lnxw48a1) {3EB165E0-5BB1-45D2-9E7D-93B31821F864}
    yeah, we are past that in most cases, sadly. Plus, that video is over 10.5 years old
18. Douglas A. Whitfield (musicman)'s status on Tuesday, 13-Apr-2021 13:17:49 EDT Douglas A. Whitfield

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    Anybody want to talk #mongodb?
19. Douglas A. Whitfield (musicman)'s status on Monday, 12-Apr-2021 16:59:12 EDT Douglas A. Whitfield

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    • GeniusMusing
    alcohol
20. Douglas A. Whitfield (musicman)'s status on Monday, 12-Apr-2021 16:58:04 EDT Douglas A. Whitfield

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    one of the benefits of cold brew. You do the work the night before

• After
• Before