---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2159 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: 2799.998 BogoMIPS: 5599.99 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 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 9.1G 11G 47% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 470 3786 0 3719 7206 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:16:be:64 brd ff:ff:ff:ff:ff:ff inet 10.32.6.247/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86112sec preferred_lft 86112sec inet6 fe80::f816:3eff:fe16:be64/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2159) 11/07/26 _x86_64_ (4 CPU) 15:07:52 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:01 135.12 54.95 80.17 3593.20 8049.60 15:10:01 125.58 36.49 89.09 2248.29 55846.43 15:11:01 12.05 0.02 12.03 0.13 542.71 15:12:01 54.99 2.63 52.36 179.84 9255.66 Average: 81.94 23.52 58.41 1505.45 18423.17 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:01 5866304 7450680 2301116 28.17 50032 1704380 666048 7.23 533408 1582892 202348 15:10:01 4159132 7275780 4008288 49.08 60020 3198580 780744 8.47 731652 3034908 4968 15:11:01 4142136 7268600 4025284 49.28 62648 3204520 788712 8.56 741716 3039628 2052 15:12:01 3908180 7407104 4259240 52.15 68584 3558896 661448 7.18 638944 3360204 124344 Average: 4518938 7350541 3648482 44.67 60321 2916594 724238 7.86 661430 2754408 83428 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:01 ens3 408.16 273.06 1840.16 70.79 0.00 0.00 0.00 0.00 15:09:01 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 15:10:01 ens3 1025.36 637.04 22062.51 60.35 0.00 0.00 0.00 0.00 15:10:01 lo 1.53 1.53 0.15 0.15 0.00 0.00 0.00 0.00 15:11:01 ens3 63.06 90.20 60.96 20.26 0.00 0.00 0.00 0.00 15:11:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:12:01 ens3 509.87 489.34 4040.31 75.27 0.00 0.00 0.00 0.00 15:12:01 lo 0.53 0.53 0.04 0.04 0.00 0.00 0.00 0.00 Average: ens3 501.61 372.41 7000.77 56.67 0.00 0.00 0.00 0.00 Average: lo 0.82 0.82 0.07 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2159) 11/07/26 _x86_64_ (4 CPU) 15:07:52 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:01 all 21.97 0.00 1.87 3.76 0.06 72.34 15:09:01 0 12.89 0.00 1.47 8.30 0.05 77.28 15:09:01 1 26.76 0.00 2.22 5.03 0.07 65.93 15:09:01 2 40.56 0.00 2.61 0.52 0.10 56.21 15:09:01 3 7.67 0.00 1.17 1.19 0.03 89.94 15:10:01 all 17.98 0.00 1.84 2.84 0.07 77.27 15:10:01 0 10.16 0.00 2.09 5.25 0.05 82.46 15:10:01 1 13.28 0.00 1.51 3.65 0.05 81.51 15:10:01 2 39.98 0.00 3.18 1.70 0.13 55.00 15:10:01 3 8.62 0.00 0.62 0.77 0.03 89.96 15:11:01 all 4.76 0.00 0.28 0.02 0.02 94.93 15:11:01 0 4.30 0.00 0.43 0.02 0.02 95.24 15:11:01 1 6.32 0.00 0.18 0.07 0.02 93.41 15:11:01 2 8.15 0.00 0.45 0.00 0.03 91.37 15:11:01 3 0.27 0.00 0.02 0.00 0.00 99.72 15:12:01 all 17.20 0.00 1.43 0.72 0.06 80.59 15:12:01 0 16.29 0.00 1.49 1.20 0.07 80.95 15:12:01 1 7.95 0.00 0.85 1.12 0.03 90.04 15:12:01 2 16.45 0.00 1.79 0.30 0.08 81.37 15:12:01 3 28.15 0.00 1.59 0.27 0.07 69.92 Average: all 15.47 0.00 1.35 1.83 0.05 81.28 Average: 0 10.91 0.00 1.37 3.69 0.05 83.99 Average: 1 13.59 0.00 1.19 2.47 0.04 82.72 Average: 2 26.26 0.00 2.00 0.63 0.09 71.02 Average: 3 11.16 0.00 0.85 0.56 0.03 87.40