---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2120 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.6G 12G 40% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 414 1322 0 2207 3266 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:00:18:64 brd ff:ff:ff:ff:ff:ff inet 10.32.7.163/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86199sec preferred_lft 86199sec inet6 fe80::f816:3eff:fe00:1864/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2120) 12/09/23 _x86_64_ (4 CPU) 07:04:44 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 90.50 37.27 53.23 1733.56 6777.34 07:07:01 118.67 37.77 80.90 2170.48 13964.01 07:08:01 32.78 1.28 31.49 63.59 6206.17 Average: 80.44 25.37 55.07 1317.83 8954.56 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 1767788 3390568 2270856 56.23 50508 1726844 580448 11.41 528444 1566040 171956 07:07:01 1347404 3326520 2691240 66.64 62072 2059012 634020 12.46 718768 1772620 110948 07:08:01 1305696 3296920 2732948 67.67 67456 2064928 652072 12.82 758340 1771968 29432 Average: 1473629 3338003 2565015 63.51 60012 1950261 622180 12.23 668517 1703543 104112 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 ens3 100.85 83.41 1188.40 17.89 0.00 0.00 0.00 0.00 07:06:02 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 07:07:01 ens3 306.91 319.71 1548.71 66.71 0.00 0.00 0.00 0.00 07:07:01 lo 1.73 1.73 0.17 0.17 0.00 0.00 0.00 0.00 07:08:01 ens3 60.92 70.39 52.83 602.63 0.00 0.00 0.00 0.00 07:08:01 lo 1.67 1.67 0.15 0.15 0.00 0.00 0.00 0.00 Average: ens3 155.38 156.93 926.54 229.97 0.00 0.00 0.00 0.00 Average: lo 1.46 1.46 0.14 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2120) 12/09/23 _x86_64_ (4 CPU) 07:04:44 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 19.51 0.00 1.54 2.44 0.05 76.45 07:06:02 0 10.27 0.00 1.12 0.23 0.03 88.34 07:06:02 1 33.26 0.00 2.37 1.35 0.05 62.98 07:06:02 2 23.61 0.00 1.76 0.99 0.05 73.60 07:06:02 3 11.01 0.00 0.91 7.15 0.08 80.86 07:07:01 all 31.20 0.00 1.69 1.96 0.07 65.07 07:07:01 0 42.56 0.00 2.05 0.78 0.08 54.52 07:07:01 1 35.95 0.00 1.29 1.14 0.07 61.55 07:07:01 2 24.92 0.00 2.04 2.68 0.07 70.29 07:07:01 3 21.42 0.00 1.44 3.23 0.08 73.82 07:08:01 all 18.61 0.00 0.96 0.96 0.04 79.42 07:08:01 0 23.76 0.00 1.03 0.27 0.05 74.89 07:08:01 1 13.65 0.00 1.08 0.02 0.05 85.20 07:08:01 2 30.89 0.00 1.07 0.17 0.05 67.82 07:08:01 3 6.14 0.00 0.65 3.41 0.02 89.78 Average: all 23.06 0.00 1.40 1.79 0.06 73.69 Average: 0 25.44 0.00 1.40 0.42 0.06 72.68 Average: 1 27.57 0.00 1.58 0.83 0.06 69.95 Average: 2 26.48 0.00 1.62 1.27 0.06 70.57 Average: 3 12.84 0.00 1.00 4.61 0.06 81.49