Bith.  Seems like the mysqls were the issue

On 2/5/09, Luca Deri <[email protected]> wrote:
>
> Walt
> what's the DB for you? the .db files or the .rrd files?
>
> Thanks Luca
>
> On Thu, 5 Feb 2009 08:51:07 -0500, Walt Henley <[email protected]>
> wrote:
>> I changed the time on my server and it began to crÀsh.  I blew away
>> the entire database and it seemed to run OK after that.  Could have
>> been corruption I guess.  It was definitely associated with the time
>> change though.
>>
>> On 2/5/09, Luca Deri <[email protected]> wrote:
>>> Hi all
>>> this problem is funny. In fact I can't see how the updateASTraffic()
>>> function can crash ntop. Instead RRDs always need to go 'forward' so
>>> if NTP decides that your box time needs to go backwards, some RRD
>>> updates will fail for some time.
>>>
>>> Can you tell me again/precisely how to crash ntop with time shifting?
>>>
>>> Thanks Luca
>>>
>>>
>>> On Feb 5, 2009, at 3:12 AM, Rob Shupe wrote:
>>>
>>>> Thanks, will do. A few questions though-- I didn't make any major time
>>>> changes on the server, but it *is* set to stay sync'd to an NTP
>>>> server.
>>>> If that synchronization adjusts the time even slightly (maybe a second
>>>> or two), will it still cause this problem? In other words, can I run
>>>> nTop on a server that is staying sync'd via NTP, or will I have to
>>>> turn
>>>> NTP off to prevent this problem? Additionally, will this problem
>>>> always
>>>> occur with changes like daylight saving time? What if I need to adjust
>>>> the time for some reason, can I just stop nTop, adjust time and
>>>> restart,
>>>> or will the problem still occur? Sorry for all the questions, just
>>>> trying to understand how this works better to prevent the problem
>>>> going
>>>> forward. Thanks again for your help!
>>>>
>>>> Walt Henley wrote:
>>>>> If you change the time on the box, this happens.  Delete your RRD
>>>>> directory under /usr/ntop/lib and the dtatbases in the lib directory
>>>>> and try again.
>>>>>
>>>>> On 2/4/09, Rob Shupe <[email protected]> wrote:
>>>>>
>>>>>> (note—I'm sending this again from a different address, my other
>>>>>> one doesn't
>>>>>> seem to get through. Apologies if this double-posts somehow)
>>>>>>
>>>>>>
>>>>>>
>>>>>> I've been running nTop 3.3.9 on a CentOS 5 box, and it ran quite
>>>>>> well for
>>>>>> about a week or two. However, now when I start it up, it'll run
>>>>>> for a few
>>>>>> minutes and then segfault and die. I ran nTop using the gdb
>>>>>> debugger, and
>>>>>> this was the output it gave at the time of the segfault:
>>>>>>
>>>>>>
>>>>>>
>>>>>> Program received signal SIGSEGV, Segmentation fault.
>>>>>>
>>>>>> [Switching to Thread -1314034800 (LWP 28839)]
>>>>>>
>>>>>> updateASTraffic (actualDeviceId=0, src_as_id=0, dst_as_id=27357,
>>>>>> octets=297)
>>>>>>
>>>>>>    at pbuf.c:1011
>>>>>>
>>>>>> 1011        if(stats->as_id == src_as_id) {
>>>>>>
>>>>>>
>>>>>>
>>>>>> Does anyone have any ideas about what is happening based on this
>>>>>> output? If
>>>>>> additional information is needed, please let me know and I'll be
>>>>>> happy to
>>>>>> send it along. Thanks.
>>>>>>
>>>>>>
>>>>>>
>>>>>> -Rob
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>
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>>
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