---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2850 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 465 5248 0 2261 7227 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:96:c8:52 brd ff:ff:ff:ff:ff:ff inet 10.32.7.74/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86112sec preferred_lft 86112sec inet6 fe80::f816:3eff:fe96:c852/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2850) 06/07/26 _x86_64_ (4 CPU) 12:46:58 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:01 184.25 100.23 84.02 5254.06 41254.47 12:49:01 78.44 20.45 57.99 1387.24 9805.70 12:50:01 90.40 18.43 71.97 824.93 9174.47 12:51:01 27.28 3.40 23.88 129.33 4956.27 Average: 95.10 35.63 59.47 1898.96 16298.20 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:01 5970624 7406136 2196796 26.90 37248 1578244 715448 7.76 594584 1439936 88316 12:49:01 5657692 7427640 2509728 30.73 58552 1872804 822932 8.93 588224 1721632 152252 12:50:01 5453216 7462744 2714204 33.23 66584 2097664 629964 6.84 672956 1827316 113440 12:51:01 5345808 7370912 2821612 34.55 69012 2110276 707980 7.68 774048 1832800 10540 Average: 5606835 7416858 2560585 31.35 57849 1914747 719081 7.80 657453 1705421 91137 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:01 lo 2.13 2.13 0.19 0.19 0.00 0.00 0.00 0.00 12:48:01 ens3 435.16 251.04 1604.43 66.55 0.00 0.00 0.00 0.00 12:49:01 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 12:49:01 ens3 73.30 54.62 526.18 15.04 0.00 0.00 0.00 0.00 12:50:01 lo 0.70 0.70 0.06 0.06 0.00 0.00 0.00 0.00 12:50:01 ens3 379.90 395.90 1593.90 72.09 0.00 0.00 0.00 0.00 12:51:01 lo 1.13 1.13 0.10 0.10 0.00 0.00 0.00 0.00 12:51:01 ens3 53.32 63.60 29.37 606.08 0.00 0.00 0.00 0.00 Average: lo 1.29 1.29 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 235.43 191.30 938.51 189.92 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2850) 06/07/26 _x86_64_ (4 CPU) 12:46:58 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:01 all 21.97 0.00 2.79 5.91 1.51 67.82 12:48:01 0 9.43 0.00 4.15 2.31 1.46 82.65 12:48:01 1 43.65 0.00 3.01 5.07 1.88 46.40 12:48:01 2 15.08 0.00 1.87 6.81 1.39 74.85 12:48:01 3 19.68 0.00 2.11 9.46 1.33 67.42 12:49:01 all 21.80 0.00 1.38 2.13 1.15 73.53 12:49:01 0 18.17 0.00 0.97 1.43 0.78 78.65 12:49:01 1 32.51 0.00 2.08 0.32 1.43 63.67 12:49:01 2 33.18 0.00 1.73 1.68 1.27 62.14 12:49:01 3 3.46 0.00 0.76 5.07 1.13 89.58 12:50:01 all 43.87 0.00 2.55 1.22 3.34 49.02 12:50:01 0 46.04 0.00 3.55 1.13 3.63 45.64 12:50:01 1 35.40 0.00 1.84 0.86 2.69 59.21 12:50:01 2 47.52 0.00 2.44 0.50 3.29 46.25 12:50:01 3 46.57 0.00 2.35 2.38 3.73 44.97 12:51:01 all 20.33 0.00 0.83 0.84 0.76 77.24 12:51:01 0 15.32 0.00 0.73 1.10 0.62 82.23 12:51:01 1 1.92 0.00 0.30 0.02 0.27 97.50 12:51:01 2 20.20 0.00 0.93 0.03 0.85 77.99 12:51:01 3 43.85 0.00 1.36 2.23 1.30 51.26 Average: all 27.00 0.00 1.89 2.53 1.69 66.90 Average: 0 22.23 0.00 2.35 1.49 1.62 72.30 Average: 1 28.40 0.00 1.81 1.57 1.57 66.66 Average: 2 29.00 0.00 1.74 2.25 1.70 65.30 Average: 3 28.36 0.00 1.65 4.79 1.87 63.34