[erlang-questions] error_logger heap overflow
Tue Nov 20 10:58:37 CET 2012
To cope with error_logger use lager or riak_err
SSL used to have some "session leaking" bug some time ago, but I
believe it was fixed. Others may have more information on this
On Tue, Nov 20, 2012 at 10:47 AM, Bogdan Andu <bog09@REDACTED> wrote:
> I have a concurent server that handles ssl conections. I saw that if there are aprox. 20 parallel connections to the server running for about 1 day, the virtual machine dies with the following message:
> Slogan: eheap_alloc: Cannot allocate 2850821240 bytes of memory (of type "heap").
> System version: Erlang R14B04 (erts-5.8.5) [source] [64-bit] [smp:2:2] [rq:2] [async-threads:0] [kernel-poll:false]
> I have two questions:
> Process Information
> Name/Spawned as
> MsgQ Length
> <0.5.0> error_logger Garbing
> (limited info) 129146284187 356352655 323792
> 356352655*8 = 2850821240, exactly the value from "Cannot allocate 2850821240 bytes of memory" message.
> The error_logger process accumulates a high number of pending messages in the message queue, resulting in heap exhaustion.
> The amount and size of the log messages sent to error_logger are normal normal.
> How can I make error_logger to process messages faster and to avoid heap overflow error.
> Another question is this:
> I observed that the ets table ssl_otp_session_cache get large although the client is the same:
> Slot: 23
> Table: 28695
> Name: ssl_otp_session_cache
> Buckets: 6224
> Objects: 41912
> Words: 2058733
> (2058733*8)/(1024*1024) =~ 15 MBytes
> Altough I know the cache entries expire after 24 hours how can I decrease this timeout to 1 hour, for example?
> Or how can I disable the ssl caching altogether?
> Thank you,
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