---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-18048 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: 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 9.4G 68G 13% / 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 627 12070 0 3341 15081 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 mq state UP group default qlen 1000 link/ether fa:16:3e:48:52:97 brd ff:ff:ff:ff:ff:ff inet 10.30.106.238/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86185sec preferred_lft 86185sec inet6 fe80::f816:3eff:fe48:5297/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-18048) 09/05/26 _x86_64_ (4 CPU) 07:19:37 LINUX RESTART (4 CPU) 07:20:01 tps rtps wtps bread/s bwrtn/s 07:21:02 157.06 35.23 121.83 1855.42 52491.25 07:22:01 149.45 12.83 136.62 815.18 50171.97 07:23:01 21.58 3.32 18.26 144.91 2121.78 Average: 109.14 17.15 91.99 939.19 34843.19 07:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:21:02 13638136 15465564 2786832 16.97 70728 1948008 1071580 6.13 786036 1770252 307848 07:22:01 11505248 14543132 4919720 29.95 79096 3126968 1968936 11.27 1739300 2902248 17720 07:23:01 12396480 15477460 4028488 24.53 82104 3164380 783244 4.48 840316 2910964 24844 Average: 12513288 15162052 3911680 23.82 77309 2746452 1274587 7.29 1121884 2527821 116804 07:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:21:02 lo 1.47 1.47 0.18 0.18 0.00 0.00 0.00 0.00 07:21:02 ens3 163.21 109.43 1809.60 35.32 0.00 0.00 0.00 0.00 07:22:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 07:22:01 ens3 1032.37 809.42 19354.34 128.26 0.00 0.00 0.00 0.00 07:23:01 lo 0.27 0.27 0.03 0.03 0.00 0.00 0.00 0.00 07:23:01 ens3 256.39 183.84 447.94 93.81 0.00 0.00 0.00 0.00 Average: lo 0.67 0.67 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 480.92 365.10 7136.09 85.56 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-18048) 09/05/26 _x86_64_ (4 CPU) 07:19:37 LINUX RESTART (4 CPU) 07:20:01 CPU %user %nice %system %iowait %steal %idle 07:21:02 all 21.99 0.00 1.59 2.55 0.01 73.85 07:21:02 0 32.55 0.00 2.20 3.24 0.03 61.97 07:21:02 1 16.32 0.00 1.16 0.65 0.02 81.85 07:21:02 2 14.57 0.00 1.20 0.50 0.02 83.71 07:21:02 3 24.51 0.00 1.82 5.79 0.02 67.86 07:22:01 all 44.45 0.00 2.88 0.62 0.03 52.02 07:22:01 0 44.16 0.00 1.65 0.17 0.02 54.00 07:22:01 1 45.10 0.00 4.76 1.22 0.02 48.90 07:22:01 2 42.43 0.00 1.72 0.05 0.02 55.79 07:22:01 3 46.16 0.00 3.39 1.04 0.03 49.37 07:23:01 all 32.20 0.00 1.84 0.11 0.02 65.82 07:23:01 0 42.65 0.00 1.93 0.03 0.05 55.34 07:23:01 1 35.57 0.00 1.87 0.07 0.02 62.48 07:23:01 2 22.29 0.00 2.06 0.15 0.00 75.50 07:23:01 3 28.23 0.00 1.50 0.18 0.02 70.07 Average: all 32.81 0.00 2.10 1.10 0.02 63.97 Average: 0 39.76 0.00 1.93 1.15 0.03 57.12 Average: 1 32.24 0.00 2.58 0.64 0.02 64.52 Average: 2 26.34 0.00 1.66 0.24 0.01 71.75 Average: 3 32.88 0.00 2.23 2.34 0.02 62.52