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ss is slow when process option (-p) used

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0

When checking for process listening on port using ss command, it's slow when compared with (obsolete) netstat command.

$ time ss -nlp | grep -E ':8081|:8007|:8010'

LISTEN     0      100                      :::8081                    :::*      users:(("java",28681,47))

LISTEN     0      1          ::ffff:127.0.0.1:8007                    :::*      users:(("java",28681,220))

LISTEN     0      100                      :::8010                    :::*      users:(("java",28681,48))



real    0m0.608s

user    0m0.118s

sys 0m0.475s



$ time netstat -nlp | grep -E ':8081|:8007|:8010'

(Not all processes could be identified, non-owned process info

 will not be shown, you would have to be root to see it all.)

tcp        0      0 :::8081                     :::*                        LISTEN      28681/java          

tcp        0      0 ::ffff:127.0.0.1:8007       :::*                        LISTEN      28681/java          

tcp        0      0 :::8010                     :::*                        LISTEN      28681/java          



real    0m0.146s

user    0m0.012s

sys 0m0.129s

Why is 'ss' slow with '-p' option? Is any alternative way to alleviate slowness in ss?

linux netstat ss

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0

When checking for process listening on port using ss command, it's slow when compared with (obsolete) netstat command.

$ time ss -nlp | grep -E ':8081|:8007|:8010'

LISTEN     0      100                      :::8081                    :::*      users:(("java",28681,47))

LISTEN     0      1          ::ffff:127.0.0.1:8007                    :::*      users:(("java",28681,220))

LISTEN     0      100                      :::8010                    :::*      users:(("java",28681,48))



real    0m0.608s

user    0m0.118s

sys 0m0.475s



$ time netstat -nlp | grep -E ':8081|:8007|:8010'

(Not all processes could be identified, non-owned process info

 will not be shown, you would have to be root to see it all.)

tcp        0      0 :::8081                     :::*                        LISTEN      28681/java          

tcp        0      0 ::ffff:127.0.0.1:8007       :::*                        LISTEN      28681/java          

tcp        0      0 :::8010                     :::*                        LISTEN      28681/java          



real    0m0.146s

user    0m0.012s

sys 0m0.129s

Why is 'ss' slow with '-p' option? Is any alternative way to alleviate slowness in ss?

linux netstat ss

share|improve this question

asked 17 mins ago

sungtmsungtm

522 bronze badges

New contributor

sungtm is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

When checking for process listening on port using ss command, it's slow when compared with (obsolete) netstat command.

$ time ss -nlp | grep -E ':8081|:8007|:8010'

LISTEN     0      100                      :::8081                    :::*      users:(("java",28681,47))

LISTEN     0      1          ::ffff:127.0.0.1:8007                    :::*      users:(("java",28681,220))

LISTEN     0      100                      :::8010                    :::*      users:(("java",28681,48))



real    0m0.608s

user    0m0.118s

sys 0m0.475s



$ time netstat -nlp | grep -E ':8081|:8007|:8010'

(Not all processes could be identified, non-owned process info

 will not be shown, you would have to be root to see it all.)

tcp        0      0 :::8081                     :::*                        LISTEN      28681/java          

tcp        0      0 ::ffff:127.0.0.1:8007       :::*                        LISTEN      28681/java          

tcp        0      0 :::8010                     :::*                        LISTEN      28681/java          



real    0m0.146s

user    0m0.012s

sys 0m0.129s

Why is 'ss' slow with '-p' option? Is any alternative way to alleviate slowness in ss?

linux netstat ss

share|improve this question

asked 17 mins ago

sungtmsungtm

522 bronze badges

New contributor

sungtm is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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$ time ss -nlp | grep -E ':8081|:8007|:8010'

LISTEN     0      100                      :::8081                    :::*      users:(("java",28681,47))

LISTEN     0      1          ::ffff:127.0.0.1:8007                    :::*      users:(("java",28681,220))

LISTEN     0      100                      :::8010                    :::*      users:(("java",28681,48))



real    0m0.608s

user    0m0.118s

sys 0m0.475s



$ time netstat -nlp | grep -E ':8081|:8007|:8010'

(Not all processes could be identified, non-owned process info

 will not be shown, you would have to be root to see it all.)

tcp        0      0 :::8081                     :::*                        LISTEN      28681/java          

tcp        0      0 ::ffff:127.0.0.1:8007       :::*                        LISTEN      28681/java          

tcp        0      0 :::8010                     :::*                        LISTEN      28681/java          



real    0m0.146s

user    0m0.012s

sys 0m0.129s

share|improve this question

asked 17 mins ago

sungtmsungtm

522 bronze badges

New contributor

sungtm is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

asked 17 mins ago

sungtmsungtm

522 bronze badges

New contributor

sungtm is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 17 mins ago

sungtmsungtm

522 bronze badges

New contributor

sungtm is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 17 mins ago

sungtmsungtm

522 bronze badges