@florin
i used this command java -XX:+PrintFlagsFinal -version | grep HeapSize
and got
uintx ErgoHeapSizeLimit = 0
{product}
uintx HeapSizePerGCThread = 87241520
{product}
uintx InitialHeapSize := 63056640
{product}
uintx LargePageHeapSizeThreshold = 134217728
{product}
uintx MaxHeapSize := 1010827264
{product}
On Wed, Apr 6, 2016 at 12:44 AM, sam mohel <[email protected]> wrote:
> sorry i forgot to mention that my ram is 3.8 GB and i used hahsmap in the
> code but i don't know what do you mean by release it ?
>
>
> On Wed, Apr 6, 2016 at 12:20 AM, sam mohel <[email protected]> wrote:
>
>> @ florin thanks for replying , i installed tool but got when i ran it
>> i checked update-alternatives --config java
>> There are 3 choices for the alternative java (providing /usr/bin/java).
>>
>> Selection Path Priority
>> Status
>> ------------------------------------------------------------
>> 0 /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java 1071
>> auto mode
>> * 1 /usr/lib/jvm/java-6-openjdk-amd64/jre/bin/java 1061
>> manual mode
>> 2 /usr/lib/jvm/java-6-oracle/jre/bin/java 1062
>> manual mode
>> 3 /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java 1071
>> manual mode
>>
>>
>>
>>
>>
>> On Sun, Apr 3, 2016 at 9:19 PM, Spico Florin <[email protected]>
>> wrote:
>>
>>> hi!
>>> before increasing the ram (by rpoviding in command line arguments the
>>> jvm options java -Xmx) try to use a profile tool such as jvisualvm jprobe
>>> to see if you have amemory leak. do you use a cache (for example hashmap
>>> where you store some data but never relese it). how much ram do you have on
>>> your machine? check your default heap size with the help of this link
>>>
>>> http://stackoverflow.com/questions/4667483/how-is-the-default-java-heap-size-determined
>>> regards florin
>>>
>>>
>>>
>>> On Sunday, April 3, 2016, sam mohel <[email protected]> wrote:
>>> > do you mean in storm.yaml ? or where ?
>>> >
>>> > On Sun, Apr 3, 2016 at 11:56 AM, Andrey Dudin <[email protected]>
>>> wrote:
>>> >>
>>> >> Try to extra more RAM for this topology.
>>> >> -Xms and -Xmx options
>>> >>
>>> >> 2016-04-03 1:32 GMT+03:00 sam mohel <[email protected]>:
>>> >>>
>>> >>> i'm facing problem with topology i ran it in local mode and got
>>> >>> Async loop died!java.lang.OutOfMemoryError: GC overhead limit
>>> exceeded
>>> >>>
>>> >>> Can you help on this ? if there is any data you need for helping
>>> just tell me
>>> >>>
>>> >>> Thanks in advance
>>> >>
>>> >>
>>> >>
>>> >> --
>>> >> С уважением Дудин Андрей
>>> >
>>>
>>
>>
>
