Questions tagged [throughput]
421 questions
4
votes
1 answer
Throughput of arrays of different sizes vary
I have arrays like
byte[] b = new byte[10];
byte[] b1 = new byte[1024*1024];
I populate them with some values. Say,
for(i=0;i<10;i++){
b[i]=1;
}
for(i=0;i<1024*1024;i++){
b1[i]=1;
}
Then I write it to a RandomAccessFile and read again…
Prasanna
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4
votes
1 answer
high-throughput, transactional usage of Spring Integration
I have scoured the Internet, posted to the Spring forums, and read nearly the whole of the online documentation, but I cannot figure out whether Spring Integration can process more than one message within a single multi-resource (JTA) transaction. …
sam.bishop
- 388
- 3
- 14
4
votes
4 answers
TCP Receive window
I am trying to understand how the receiver window affect the throughput over a high latency connection.
I have a simple client-server pair of apps on two machines, far apart, with the connection between the two of 250mSec latency RTT. I ran this…
fabrizi0
- 673
- 1
- 6
- 14
3
votes
1 answer
How to integrate LMAX within a real financial application
I am also thinking of integrating the disruptor pattern in our application. I am a bit unsure about a few things before I start using the disruptor
I have 3 producers, mainly a FIX thread which de-serialises the requests. Another thread which…
Harry
- 95
- 7
3
votes
1 answer
Java Netty load testing issues
I wrote the server that accepts connection and bombards messages ( ~100 bytes ) using text protocol and my implementation is able to send about loopback 400K/sec messages with the 3rt party client. I picked Netty for this task, SUSE 11 RealTime,…
Egor Lakomkin
- 1,374
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3
votes
1 answer
Throughput Behaviour for android bluetooth
To check the throughput i have modified the bluetooth chat example.
I have provided a Send button in the UI which send some predefined no. of bytes to the server socket and waits for Acknowledgement
The ServerSocket waits for some string and once…
Shrikanth Kalluraya
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3
votes
1 answer
EFS is very slow - throughput utilization reached 100%
I have an EFS that is mounted to File systems.
Recently my burst credit started to decline until it got to 0 so whenever the efs is used the throughput utilization reaches its maximum (100%).
This makes the EFS SUPER slow and almost unreachable.
The…
user15937765
- 219
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- 7
3
votes
1 answer
PgBouncer performance drops when connection count increases
I have a dedicated PostgreSQL server and a pgBouncer server. all connections are established through pgBouncer.
I tested the system using Apache JMeter and PHP. The results are weird. The throughput with 500 connections are not bad but when I test…
rostamiani
- 2,859
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3
votes
1 answer
Cassandra - HDD vs. SSD usage makes no difference in throughput
The Context
I'm currently running tests with Apache Cassandra on a single node cluster. I've ensured the cluster is up and running using nodetool status, I've done a multitude of reads and writes that suggest as such, and I'm confident my cluster is…
NolanRudolph
- 106
- 11
3
votes
2 answers
How to extract Requests/Seconds (Throughput) of a performance test using Locust?
I am running Locust performance Test against an API and I need to plot a Requests/Second vs Response time plot. I can see the req/s as a parameter in the results of the tests. Is there a Library/Class from where I can directly access this parameter…
Prashant Kumar
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3
votes
1 answer
How to maximize grpc throughput?
On 100Gb network, I create a server to listening on 4 ports and grpc client can reach 3GB+/s throughput.
However, when the server listening on one port, grpc client reaches just 1GB/s throughput, even I set
…
Gong WeiBao
- 31
- 3
3
votes
1 answer
kafka IO utilization with more disks and brokers
We performed a kafka benchmark (BM) in order to figure out the maximum throughput (TP) available with the given kafka brokers and disks.
kafka brokers setup (machine spec & disks):
3 kafka brokers, Intel(R) Xeon(R) CPU E5-2650 v4 @ 2.20GHz, 8…
Elad Eldor
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3
votes
1 answer
aws dynamo db throughput
There's something which I cant understand about AWS DynamoDb throughput.
Lets consider strongly consistent reads.
Now, I understand that in this case, 1 unit of capacity would mean I can read up to 4KB of per second.
It's the "per second" bit that…
Connor Bishop
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3
votes
0 answers
Processor core local storage in C++
I was thinking of having a per cache (or per core, assuming that every core has it's own cache in the target architecture) mutex and data to try and optimize a concurrent algorithm, with the goal being to minimize cache flushing and misses across…
Curious
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3
votes
4 answers
cassandra write throughput and scalability
This may sound like a dumb question but still I wanted someone/expert to answer/confirm this.
Lets say I have a 3 node cassandra cluster. Lets say I have one database and just one table. For this single table lets say I get a throughput of 1K…
sunillp
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