RE: Graceful shutdown of FusekiServer

2020-03-31 Thread Nouwt, B. (Barry)
needs its DatasetGraph. Regards, Barry -Original Message- From: Andy Seaborne Sent: maandag 30 maart 2020 12:59 To: users@jena.apache.org Subject: Re: Graceful shutdown of FusekiServer You'll need to keep a map DatasetGraph->Dataset. Fuseki only really knows about Data

Re: Graceful shutdown of FusekiServer

2020-03-30 Thread Andy Seaborne
Re: Graceful shutdown of FusekiServer Hi Barry, Whatever you do, the overall distributed system has to deal with sudden shutdown of a server. Because it happens. One thing I've been wanting to do is dynamic restart - reread the configuration file while the server is running and gracefully swit

Re: Graceful shutdown of FusekiServer

2020-03-30 Thread Andy Seaborne
d from this user group. Can someone please tell me the procedure. -Original Message- From: Nouwt, B. (Barry) Sent: Monday, March 30, 2020 12:38 PM To: users@jena.apache.org Subject: RE: Graceful shutdown of FusekiServer CAUTION: External email, Please do not click links or open attachm

RE: Graceful shutdown of FusekiServer

2020-03-30 Thread Sanjanaa Jeevandass
I'd liked to be removed from this user group. Can someone please tell me the procedure. -Original Message- From: Nouwt, B. (Barry) Sent: Monday, March 30, 2020 12:38 PM To: users@jena.apache.org Subject: RE: Graceful shutdown of FusekiServer CAUTION: External email, Please do not

RE: Graceful shutdown of FusekiServer

2020-03-30 Thread Nouwt, B. (Barry)
dvice. Regards, Barry -Original Message- From: Andy Seaborne Sent: zondag 29 maart 2020 12:15 To: users@jena.apache.org Subject: Re: Graceful shutdown of FusekiServer Hi Barry, Whatever you do, the overall distributed system has to deal with sudden shutdown of a server. Because it happens.

Re: Graceful shutdown of FusekiServer

2020-03-29 Thread Andy Seaborne
try to shutdown gracefully using the shutdownHook and just take measures on the other side to detect the custom dataset is no longer available? Thanks again! Regards, Barry -Original Message- From: Andy Seaborne Sent: donderdag 26 maart 2020 17:12 To: users@jena.apache.org Subject: Re: Grac

RE: Graceful shutdown of FusekiServer

2020-03-27 Thread Nouwt, B. (Barry)
the custom dataset is no longer available? Thanks again! Regards, Barry -Original Message- From: Andy Seaborne Sent: donderdag 26 maart 2020 17:12 To: users@jena.apache.org Subject: Re: Graceful shutdown of FusekiServer Because servers have to survive disgraceful shutdown anyway

Re: Graceful shutdown of FusekiServer

2020-03-26 Thread Andy Seaborne
Because servers have to survive disgraceful shutdown anyway (crash, DOS, server switched off, casters on the rack broken [1]), there isn't a graceful procedure. "kill -9" TDB has to be able to recover in any circumstances so that it what it does. No graceful shutdown currently. What resourc

Graceful shutdown of FusekiServer

2020-03-26 Thread Nouwt, B. (Barry)
Hi everybody, We are using embedded FusekiServer in our Java project and have extended Jena's DatasetImpl class with additional features that require some cleanup when the FusekiServer shuts down. This dataset is loaded into FusekiServer using a config.ttl file, so we do not have a direct refer