X-CGP-ClamAV-Result: CLEAN X-VirusScanner: Niversoft's CGPClamav Helper v1.22.2a (ClamAV engine v0.102.2) X-Junk-Score: 0 [] X-KAS-Score: 0 [] From: "Markus Ruggiero (rucotec)" Received: from miniserver.rucotec.ch ([213.189.151.242] verified) by post.selbstdenker.com (CommuniGate Pro SMTP 6.3.3) with ESMTPS id 25375303 for webobjects-dev@wocommunity.org; Mon, 08 Feb 2021 09:42:52 +0100 Received-SPF: none receiver=post.selbstdenker.com; client-ip=213.189.151.242; envelope-from=markus.ruggiero@rucotec.ch Received: from localhost (localhost [127.0.0.1]) by miniserver.rucotec.ch (Postfix) with ESMTP id 800182477CEE for ; Mon, 8 Feb 2021 09:42:31 +0100 (CET) Received: from miniserver.rucotec.ch ([127.0.0.1]) by localhost (miniserver.rucotec.ch [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wte4RANOYo48 for ; Mon, 8 Feb 2021 09:42:30 +0100 (CET) Received: from [192.168.56.49] (unknown [192.168.56.49]) by miniserver.rucotec.ch (Postfix) with ESMTPSA id 342712477CD5 for ; Mon, 8 Feb 2021 09:42:30 +0100 (CET) Content-Type: multipart/signed; boundary="Apple-Mail=_12383EA6-F291-4AD4-8884-1DC58B54C738"; protocol="application/pkcs7-signature"; micalg=sha-256 Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.4\)) Subject: Urgent Out of Memory help needed Message-Id: Date: Mon, 8 Feb 2021 09:42:23 +0100 To: WebObjects & WOnder Development X-Mailer: Apple Mail (2.3608.120.23.2.4) --Apple-Mail=_12383EA6-F291-4AD4-8884-1DC58B54C738 Content-Type: multipart/alternative; boundary="Apple-Mail=_C4769A0C-D1AB-45C0-BF00-3008BA536EB4" --Apple-Mail=_C4769A0C-D1AB-45C0-BF00-3008BA536EB4 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 We are running the same application code in a handful of instances. Each = instance is dedicated to one customer. There are only some very small = differences between the instances like db credentials and some webserver = resources (customer specific logo etc). One customer is driving their = dedicated instance regularly into java memory exhaustion, all others = have no problem. This particular customer is using one screen more than = other customers do. This screen has a couple Ajax components, but as far = as I can tell nothing too fancy. In WOMonitor we can see that the = Running Session count at the bottom right of the details display goes up = like crazy. Within hours the count can reach 1500+. I started to trace = all Session creation (Thread.dumpStack() in Session constructor) but as = expected there was exactly one session being created at login, then none = more.=20 What the heck is going on here? What does WOMonitor display here? = Obviously must be something other than just session creation. Could this = be an Ajax issue? Where would you start? We upped the JVM memory to 2G = to survive the day and have more instances for that particular customer = running. Btw: how do you go into WOStatistics? Setting a statistics password in = WOMonitor did not help, the direct action always comes back with a = browser error (Safari can=E2=80=99t open the page bla bla bla). I seem = the miss something here. Thanks for any help ---markus--- Markus Ruggiero rucotec GmbH web https://rucotec.ch Steinenvorstadt 79 email markus.ruggiero@rucotec.ch 4051 Basel / Switzerland mobile +41 79 508 4701 --Apple-Mail=_C4769A0C-D1AB-45C0-BF00-3008BA536EB4 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 We = are running the same application code in a handful of instances. Each = instance is dedicated to one customer. There are only some very small = differences between the instances like db credentials and some webserver = resources (customer specific logo etc). One customer is driving their = dedicated instance regularly into java memory exhaustion, all others = have no problem. This particular customer is using one screen more than = other customers do. This screen has a couple Ajax components, but as far = as I can tell nothing too fancy. In WOMonitor we can see that the = Running Session count at the bottom right of the details display goes up = like crazy. Within hours the count can reach 1500+. I started to trace = all Session creation (Thread.dumpStack() in Session constructor) but as = expected there was exactly one session being created at login, then none = more.

What the = heck is going on here? What does WOMonitor display here? Obviously must = be something other than just session creation. Could this be an Ajax = issue? Where would you start? We upped the JVM memory to 2G to survive = the day and have more instances for that particular customer = running.

Btw: = how do you go into WOStatistics? Setting a statistics password in = WOMonitor did not help, the direct action always comes back with a = browser error (Safari can=E2=80=99t open the page bla bla bla). I seem = the miss something here.

Thanks for any help

---markus---

Markus = Ruggiero

rucotec GmbH = web https://rucotec.ch

Steinenvorstadt 79 = email markus.ruggiero@rucotec.ch

4051 Basel / = Switzerland mobile +41 79 508 4701

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