---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5174 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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 7.9G 0 7.9G 0% /dev tmpfs 1.6G 672K 1.6G 1% /run /dev/vda1 78G 8.9G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 552 12687 0 2800 15164 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 1458 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:b2:4d:83 brd ff:ff:ff:ff:ff:ff inet 10.30.106.130/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86077sec preferred_lft 86077sec inet6 fe80::f816:3eff:feb2:4d83/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-5174) 11/27/23 _x86_64_ (4 CPU) 13:26:30 LINUX RESTART (4 CPU) 13:27:01 tps rtps wtps bread/s bwrtn/s 13:28:01 98.65 18.96 79.69 1113.28 35146.94 13:29:01 162.47 39.98 122.50 2431.19 18722.75 13:30:01 13.76 3.08 10.68 110.91 752.81 13:31:01 14.35 1.75 12.60 212.00 4797.20 Average: 72.31 15.94 56.37 966.88 14855.34 13:27:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:28:01 13972044 15562236 2452924 14.93 62148 1729376 782336 4.48 678060 1564964 184060 13:29:01 12207940 14223788 4217028 25.67 77584 2124096 2120388 12.13 2086980 1884380 15440 13:30:01 11193380 13218044 5231588 31.85 78144 2131736 2905900 16.63 3126384 1855616 1672 13:31:01 11967580 14477320 4457388 27.14 79864 2606960 2398708 13.73 2022096 2173004 337304 Average: 12335236 14370347 4089732 24.90 74435 2148042 2051833 11.74 1978380 1869491 134619 13:27:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:28:01 ens3 60.01 41.94 973.49 7.35 0.00 0.00 0.00 0.00 13:28:01 lo 1.40 1.40 0.15 0.15 0.00 0.00 0.00 0.00 13:29:01 ens3 421.05 305.70 3982.56 68.09 0.00 0.00 0.00 0.00 13:29:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 13:30:01 ens3 570.74 352.64 144.11 132.88 0.00 0.00 0.00 0.00 13:30:01 lo 51.01 51.01 27.38 27.38 0.00 0.00 0.00 0.00 13:31:01 ens3 679.63 451.60 3174.49 128.53 0.00 0.00 0.00 0.00 13:31:01 lo 16.33 16.33 3.41 3.41 0.00 0.00 0.00 0.00 Average: ens3 432.85 287.96 2068.61 84.21 0.00 0.00 0.00 0.00 Average: lo 17.30 17.30 7.74 7.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-5174) 11/27/23 _x86_64_ (4 CPU) 13:26:30 LINUX RESTART (4 CPU) 13:27:01 CPU %user %nice %system %iowait %steal %idle 13:28:01 all 19.58 0.00 1.36 5.08 0.05 73.93 13:28:01 0 5.76 0.00 0.86 13.76 0.05 79.57 13:28:01 1 25.75 0.00 1.30 3.19 0.05 69.70 13:28:01 2 6.96 0.00 0.77 0.40 0.05 91.82 13:28:01 3 39.79 0.00 2.47 2.99 0.07 54.68 13:29:01 all 44.56 0.00 2.02 1.25 0.11 52.07 13:29:01 0 38.85 0.00 1.69 1.82 0.08 57.56 13:29:01 1 43.06 0.00 1.71 0.47 0.10 54.66 13:29:01 2 40.03 0.00 1.98 2.01 0.12 55.86 13:29:01 3 56.27 0.00 2.73 0.72 0.12 40.16 13:30:01 all 70.81 0.00 1.60 0.07 0.14 27.39 13:30:01 0 70.04 0.00 1.71 0.12 0.13 28.00 13:30:01 1 66.78 0.00 1.32 0.00 0.13 31.76 13:30:01 2 67.78 0.00 2.16 0.00 0.13 29.92 13:30:01 3 78.67 0.00 1.17 0.13 0.17 19.86 13:31:01 all 49.46 0.00 2.06 0.06 0.12 48.30 13:31:01 0 50.53 0.00 1.69 0.12 0.10 47.56 13:31:01 1 48.86 0.00 2.47 0.02 0.13 48.52 13:31:01 2 45.57 0.00 2.65 0.07 0.12 51.60 13:31:01 3 52.85 0.00 1.44 0.05 0.12 45.54 Average: all 46.10 0.00 1.76 1.61 0.10 50.42 Average: 0 41.33 0.00 1.49 3.94 0.09 53.15 Average: 1 46.12 0.00 1.70 0.92 0.10 51.16 Average: 2 40.06 0.00 1.89 0.62 0.10 57.32 Average: 3 56.89 0.00 1.95 0.97 0.12 40.06