---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7322 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 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 7.7G 12G 40% / 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 455 5233 0 2286 7237 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:e2:8a:b3 brd ff:ff:ff:ff:ff:ff inet 10.32.7.238/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86120sec preferred_lft 86120sec inet6 fe80::f816:3eff:fee2:8ab3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7322) 08/02/26 _x86_64_ (4 CPU) 07:04:56 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 160.42 75.04 85.39 4564.44 40878.67 07:07:01 72.33 17.16 55.16 1228.66 9793.80 07:08:01 66.05 21.27 44.78 1025.33 9506.67 07:09:01 22.91 2.00 20.91 115.96 5957.75 Average: 80.42 28.86 51.56 1733.54 16533.79 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5988552 7417220 2178868 26.68 37228 1571404 709316 7.70 581276 1432952 87900 07:07:01 5730572 7489412 2436848 29.84 58568 1861552 611248 6.63 521028 1713924 156128 07:08:01 5326532 7376884 2840888 34.78 66584 2137564 712096 7.73 768660 1855108 157148 07:09:01 5387156 7438000 2780264 34.04 68364 2136356 654852 7.11 714708 1847916 8784 Average: 5608203 7430379 2559217 31.33 57686 1926719 671878 7.29 646418 1712475 102490 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 07:06:01 ens3 424.06 236.34 1570.90 67.12 0.00 0.00 0.00 0.00 07:07:01 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 07:07:01 ens3 69.39 57.28 525.98 13.01 0.00 0.00 0.00 0.00 07:08:01 lo 0.77 0.77 0.07 0.07 0.00 0.00 0.00 0.00 07:08:01 ens3 180.35 162.18 1859.97 25.07 0.00 0.00 0.00 0.00 07:09:01 lo 1.47 1.47 0.13 0.13 0.00 0.00 0.00 0.00 07:09:01 ens3 57.00 65.48 30.85 673.30 0.00 0.00 0.00 0.00 Average: lo 1.21 1.21 0.11 0.11 0.00 0.00 0.00 0.00 Average: ens3 182.69 130.31 996.83 194.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7322) 08/02/26 _x86_64_ (4 CPU) 07:04:56 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 22.48 0.00 2.93 5.32 1.38 67.89 07:06:01 0 46.10 0.00 2.86 3.56 1.64 45.84 07:06:01 1 12.54 0.00 2.34 9.74 1.12 74.27 07:06:01 2 14.16 0.00 4.52 5.01 1.23 75.08 07:06:01 3 17.13 0.00 2.02 3.01 1.52 76.33 07:07:01 all 21.10 0.00 1.36 1.86 0.88 74.81 07:07:01 0 50.14 0.00 3.06 1.68 1.27 43.85 07:07:01 1 28.97 0.00 1.17 0.57 0.82 68.48 07:07:01 2 2.17 0.00 0.68 4.86 1.06 91.23 07:07:01 3 3.25 0.00 0.48 0.27 0.37 95.63 07:08:01 all 40.94 0.00 1.93 1.41 2.68 53.04 07:08:01 0 31.17 0.00 1.77 0.28 2.36 64.41 07:08:01 1 36.99 0.00 2.38 2.53 2.67 55.43 07:08:01 2 34.36 0.00 1.02 0.98 2.05 61.59 07:08:01 3 61.15 0.00 2.58 1.83 3.61 30.83 07:09:01 all 18.72 0.00 0.92 0.74 0.60 79.02 07:09:01 0 25.14 0.00 0.77 0.27 0.69 73.14 07:09:01 1 6.58 0.00 0.52 0.10 0.28 92.52 07:09:01 2 15.00 0.00 1.37 2.40 0.58 80.64 07:09:01 3 28.19 0.00 1.00 0.22 0.85 69.74 Average: all 25.81 0.00 1.78 2.33 1.38 68.69 Average: 0 38.15 0.00 2.12 1.45 1.49 56.79 Average: 1 21.27 0.00 1.60 3.23 1.22 72.68 Average: 2 16.41 0.00 1.89 3.31 1.23 77.15 Average: 3 27.44 0.00 1.52 1.33 1.59 68.12