Re: NiFi hanging during large sql query

2023-09-13 Thread Mike Thomsen
? > Have you change something in the processor or just changing the sql > command ? > > Regards > > *Envoyé:* samedi 2 septembre 2023 à 00:00 > *De:* "Mike Thomsen" > *À:* users@nifi.apache.org > *Objet:* NiFi hanging during large sql query > I have a t

Re: NiFi hanging during large sql query

2023-09-11 Thread e-sociaux
  Hello Mike,   Could you please give me the details about the resolution ? Have you change something in the processor or just changing the sql command ?   Regards   Envoyé: samedi 2 septembre 2023 à 00:00 De: "Mike Thomsen" À: users@nifi.apache.org Objet: NiFi hanging during

Re: NiFi hanging during large sql query

2023-09-04 Thread Mike Thomsen
I don't think so. On Sat, Sep 2, 2023 at 11:36 AM Mark Payne wrote: > Thanks for sharing the solution Mike. Is there something we need to update > in nifi to prevent this from biting others? > > Thanks > Mark > > Sent from my iPhone > > On Sep 2, 2023, at 9:48 AM, Joe Witt wrote: > >  > Nice.

Re: NiFi hanging during large sql query

2023-09-02 Thread Matt Burgess
When you said "fetchSize set low", I assume you mean non-zero, a zero will fetch all the rows at once. How did you paginate your query with ExecuteSQLRecord? I was going to suggest GenerateTableFetch in front to paginate the queries for you, but it definitely seems like we should be able to do or

Re: NiFi hanging during large sql query

2023-09-02 Thread Mark Payne
Thanks for sharing the solution Mike. Is there something we need to update in nifi to prevent this from biting others? Thanks Mark Sent from my iPhone On Sep 2, 2023, at 9:48 AM, Joe Witt wrote:  Nice. Gald you found it. On Sat, Sep 2, 2023 at 5:07 AM Mike Thomsen

Re: NiFi hanging during large sql query

2023-09-02 Thread Joe Witt
Nice. Gald you found it. On Sat, Sep 2, 2023 at 5:07 AM Mike Thomsen wrote: > It was the PostgreSQL JDBC driver. If you don't paginate the query > aggressively, it will try to load a significant chunk of the table into > memory rather than just pulling chunks, even with fetchSize set low. > >

Re: NiFi hanging during large sql query

2023-09-02 Thread Mike Thomsen
It was the PostgreSQL JDBC driver. If you don't paginate the query aggressively, it will try to load a significant chunk of the table into memory rather than just pulling chunks, even with fetchSize set low. On Fri, Sep 1, 2023 at 6:01 PM Mike Thomsen wrote: > I have a three node cluster with

NiFi hanging during large sql query

2023-09-01 Thread Mike Thomsen
I have a three node cluster with an executesqlrecord processor with primary execution only. The sql it runs is a straight forward select on a table with about 44m records. If I leave it running, after about 10 min the node becomes unresponsive and leaves the cluster. The query runs just fine in