---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2370 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 7.6G 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 461 5308 0 2205 7234 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:03:56:83 brd ff:ff:ff:ff:ff:ff inet 10.32.7.15/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86140sec preferred_lft 86140sec inet6 fe80::f816:3eff:fe03:5683/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2370) 01/03/26 _x86_64_ (4 CPU) 12:27:46 LINUX RESTART (4 CPU) 12:28:01 tps rtps wtps bread/s bwrtn/s 12:29:01 99.02 30.02 68.99 1014.73 5872.19 12:30:01 85.70 29.73 55.97 1637.73 10879.12 12:31:01 65.27 9.02 56.26 563.37 9296.45 12:32:01 23.96 0.97 23.00 35.19 1656.26 Average: 68.49 17.43 51.06 812.76 6925.96 12:28:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:29:01 5834780 7379652 2332640 28.56 45888 1671820 737292 8.00 657744 1498068 172704 12:30:01 5501640 7282832 2665780 32.64 59556 1883472 822168 8.92 739684 1727688 93812 12:31:01 5480544 7447096 2686876 32.90 64940 2059076 644224 6.99 661480 1818360 25132 12:32:01 5494256 7466024 2673164 32.73 66848 2061508 620644 6.73 647532 1816872 11256 Average: 5577805 7393901 2589615 31.71 59308 1918969 706082 7.66 676610 1715247 75726 12:28:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:29:01 ens3 481.02 289.09 1450.87 68.91 0.00 0.00 0.00 0.00 12:29:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 12:30:01 ens3 160.67 130.94 1589.29 25.87 0.00 0.00 0.00 0.00 12:30:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 12:31:01 ens3 260.94 283.57 1422.40 48.46 0.00 0.00 0.00 0.00 12:31:01 lo 0.57 0.57 0.06 0.06 0.00 0.00 0.00 0.00 12:32:01 ens3 8.63 10.33 6.43 5.81 0.00 0.00 0.00 0.00 12:32:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 227.83 178.49 1117.26 37.26 0.00 0.00 0.00 0.00 Average: lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2370) 01/03/26 _x86_64_ (4 CPU) 12:27:46 LINUX RESTART (4 CPU) 12:28:01 CPU %user %nice %system %iowait %steal %idle 12:29:01 all 23.75 0.00 1.64 2.79 1.09 70.73 12:29:01 0 29.40 0.00 1.61 0.61 1.41 66.98 12:29:01 1 10.71 0.00 1.15 9.74 0.63 77.76 12:29:01 2 44.68 0.00 2.81 0.68 1.52 50.31 12:29:01 3 10.23 0.00 0.97 0.13 0.82 87.85 12:30:01 all 28.80 0.00 1.58 1.63 1.49 66.49 12:30:01 0 16.41 0.00 1.11 0.40 1.34 80.74 12:30:01 1 18.92 0.00 0.97 4.03 1.02 75.06 12:30:01 2 37.92 0.00 1.92 0.93 1.84 57.39 12:30:01 3 42.03 0.00 2.37 1.18 1.73 52.68 12:31:01 all 32.25 0.00 1.77 0.96 1.77 63.25 12:31:01 0 26.98 0.00 1.63 0.22 1.81 69.36 12:31:01 1 49.68 0.00 1.88 1.30 1.98 45.15 12:31:01 2 30.71 0.00 2.04 2.05 1.72 63.48 12:31:01 3 21.62 0.00 1.53 0.25 1.58 75.02 12:32:01 all 21.63 0.00 0.81 0.65 0.71 76.19 12:32:01 0 20.50 0.00 0.87 0.43 0.73 77.46 12:32:01 1 33.69 0.00 1.02 1.72 0.88 62.69 12:32:01 2 31.68 0.00 1.06 0.17 1.11 65.98 12:32:01 3 0.65 0.00 0.28 0.30 0.12 98.65 Average: all 26.61 0.00 1.45 1.51 1.26 69.16 Average: 0 23.33 0.00 1.30 0.42 1.33 73.63 Average: 1 28.26 0.00 1.25 4.20 1.13 65.16 Average: 2 36.24 0.00 1.96 0.96 1.55 59.30 Average: 3 18.63 0.00 1.29 0.47 1.06 78.55