---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-320 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: 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 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 453 5291 0 2231 7244 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:e6:e0:90 brd ff:ff:ff:ff:ff:ff inet 10.32.6.28/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86169sec preferred_lft 86169sec inet6 fe80::f816:3eff:fee6:e090/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-320) 04/11/26 _x86_64_ (4 CPU) 16:58:57 LINUX RESTART (4 CPU) 16:59:01 tps rtps wtps bread/s bwrtn/s 17:00:02 171.15 84.93 86.22 4934.00 41033.75 17:01:01 86.45 30.85 55.59 1695.83 8916.30 17:02:01 51.61 9.00 42.61 637.36 12901.05 Average: 103.16 41.65 61.50 2426.27 21015.79 16:59:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:02 5966996 7396752 2200424 26.94 37416 1572376 732104 7.94 606576 1432140 85624 17:01:01 5506696 7294980 2660724 32.58 59704 1890636 822256 8.92 747324 1714156 180100 17:02:01 5381988 7377792 2785432 34.10 63992 2089896 731196 7.93 739500 1840696 24296 Average: 5618560 7356508 2548860 31.21 53704 1850969 761852 8.27 697800 1662331 96673 16:59:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:02 ens3 501.52 308.53 1560.42 71.28 0.00 0.00 0.00 0.00 17:00:02 lo 1.57 1.57 0.14 0.14 0.00 0.00 0.00 0.00 17:01:01 ens3 122.47 110.44 1777.26 20.29 0.00 0.00 0.00 0.00 17:01:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 17:02:01 ens3 145.41 127.13 1596.04 19.28 0.00 0.00 0.00 0.00 17:02:01 lo 0.77 0.77 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 257.19 182.42 1643.84 37.04 0.00 0.00 0.00 0.00 Average: lo 1.18 1.18 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-320) 04/11/26 _x86_64_ (4 CPU) 16:58:57 LINUX RESTART (4 CPU) 16:59:01 CPU %user %nice %system %iowait %steal %idle 17:00:02 all 22.63 0.00 2.86 5.05 1.33 68.14 17:00:02 0 30.13 0.00 2.72 3.60 1.58 61.97 17:00:02 1 14.61 0.00 1.28 0.78 1.12 82.21 17:00:02 2 7.10 0.00 4.98 13.37 0.94 73.61 17:00:02 3 38.58 0.00 2.48 2.46 1.63 54.86 17:01:01 all 26.61 0.00 1.70 1.84 1.45 68.40 17:01:01 0 22.80 0.00 2.12 1.85 1.34 71.89 17:01:01 1 8.82 0.00 0.39 0.50 1.45 88.85 17:01:01 2 12.78 0.00 0.85 4.81 0.83 80.73 17:01:01 3 62.11 0.00 3.46 0.25 2.19 31.99 17:02:01 all 31.49 0.00 1.46 1.17 1.72 64.16 17:02:01 0 18.36 0.00 1.46 1.55 1.43 77.19 17:02:01 1 18.31 0.00 1.00 0.93 1.32 78.44 17:02:01 2 40.92 0.00 1.39 1.65 2.05 53.99 17:02:01 3 48.39 0.00 2.01 0.55 2.08 46.96 Average: all 26.91 0.00 2.01 2.69 1.50 66.89 Average: 0 23.77 0.00 2.10 2.33 1.45 70.35 Average: 1 13.93 0.00 0.89 0.74 1.29 83.15 Average: 2 20.33 0.00 2.41 6.61 1.28 69.37 Average: 3 49.62 0.00 2.64 1.09 1.96 44.68