---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1439 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 7.8G 12G 41% / 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 401 1150 0 2391 3275 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:4a:b3:46 brd ff:ff:ff:ff:ff:ff inet 10.32.7.251/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86077sec preferred_lft 86077sec inet6 fe80::f816:3eff:fe4a:b346/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1439) 12/02/23 _x86_64_ (4 CPU) 15:07:48 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:02 98.33 47.83 50.51 2156.84 6730.08 15:10:01 87.43 29.57 57.85 1651.25 12778.72 15:11:01 11.13 0.02 11.11 0.13 711.88 15:12:01 30.76 1.07 29.70 61.72 7230.79 15:13:01 43.14 1.87 41.28 132.78 6809.40 Average: 54.05 16.02 38.02 797.70 6832.36 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:02 1839348 3417996 2199296 54.46 49576 1684092 552644 10.86 500952 1524500 152164 15:10:01 1441292 3233512 2597352 64.31 58604 1880340 736120 14.47 700628 1705636 12024 15:11:01 1425848 3224696 2612796 64.69 59892 1884816 744076 14.63 710484 1709272 1856 15:12:01 1173368 3189636 2865276 70.95 62992 2094040 752800 14.80 748708 1912848 6636 15:13:01 1158164 3334736 2880480 71.32 69948 2243744 612468 12.04 644208 2025868 33928 Average: 1407604 3280115 2631040 65.15 60202 1957406 679622 13.36 660996 1775625 41322 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:02 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 15:09:02 ens3 296.10 206.07 1350.22 59.67 0.00 0.00 0.00 0.00 15:10:01 lo 1.56 1.56 0.15 0.15 0.00 0.00 0.00 0.00 15:10:01 ens3 132.33 120.30 1008.21 25.65 0.00 0.00 0.00 0.00 15:11:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 15:11:01 ens3 56.57 80.32 71.24 12.95 0.00 0.00 0.00 0.00 15:12:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 15:12:01 ens3 570.30 496.43 3485.56 59.96 0.00 0.00 0.00 0.00 15:13:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 15:13:01 ens3 185.05 165.51 712.46 38.37 0.00 0.00 0.00 0.00 Average: lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 248.46 214.04 1326.60 39.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1439) 12/02/23 _x86_64_ (4 CPU) 15:07:48 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:02 all 21.87 0.00 1.74 2.58 0.06 73.75 15:09:02 0 27.78 0.00 2.36 4.98 0.07 64.82 15:09:02 1 12.92 0.00 0.97 1.59 0.08 84.43 15:09:02 2 24.50 0.00 1.67 0.30 0.05 73.48 15:09:02 3 22.20 0.00 1.95 3.44 0.05 72.35 15:10:01 all 15.92 0.00 0.90 1.61 0.05 81.51 15:10:01 0 29.05 0.00 1.73 3.18 0.05 66.00 15:10:01 1 12.21 0.00 0.72 1.81 0.05 85.22 15:10:01 2 14.65 0.00 0.61 0.36 0.07 84.32 15:10:01 3 7.74 0.00 0.58 1.09 0.03 90.56 15:11:01 all 4.78 0.00 0.20 0.06 0.02 94.94 15:11:01 0 0.28 0.00 0.00 0.15 0.00 99.57 15:11:01 1 7.67 0.00 0.18 0.00 0.03 92.11 15:11:01 2 7.75 0.00 0.32 0.10 0.02 91.82 15:11:01 3 3.42 0.00 0.27 0.00 0.02 96.29 15:12:01 all 8.41 0.00 0.74 0.20 0.04 90.61 15:12:01 0 12.52 0.00 0.85 0.30 0.05 86.28 15:12:01 1 6.87 0.00 0.48 0.05 0.03 92.57 15:12:01 2 8.70 0.00 0.70 0.05 0.03 90.51 15:12:01 3 5.52 0.00 0.94 0.42 0.05 93.07 15:13:01 all 19.35 0.00 1.12 1.14 0.05 78.34 15:13:01 0 4.38 0.00 0.67 1.29 0.03 93.63 15:13:01 1 20.48 0.00 1.48 0.22 0.03 77.79 15:13:01 2 32.07 0.00 1.12 3.02 0.07 63.72 15:13:01 3 20.40 0.00 1.23 0.05 0.05 78.26 Average: all 14.05 0.00 0.94 1.12 0.04 83.85 Average: 0 14.77 0.00 1.12 1.98 0.04 82.10 Average: 1 12.02 0.00 0.77 0.73 0.05 86.45 Average: 2 17.54 0.00 0.88 0.77 0.05 80.76 Average: 3 11.88 0.00 1.00 1.00 0.04 86.08