---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2104 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 7.9G 12G 41% / 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 463 5025 0 2486 7224 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:d7:ad:05 brd ff:ff:ff:ff:ff:ff inet 10.32.7.58/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86154sec preferred_lft 86154sec inet6 fe80::f816:3eff:fed7:ad05/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2104) 11/07/26 _x86_64_ (4 CPU) 05:56:52 LINUX RESTART (4 CPU) 05:57:01 tps rtps wtps bread/s bwrtn/s 05:58:02 132.04 49.28 82.77 3450.22 9007.57 05:59:01 103.97 37.74 66.23 2297.37 16606.13 06:00:01 24.50 13.73 10.76 818.00 3677.52 Average: 86.74 33.56 53.18 2187.92 9725.52 05:57:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:58:02 5778876 7411364 2388544 29.24 50812 1750912 685236 7.44 575552 1628044 223912 05:59:01 5245512 7270248 2921908 35.78 63804 2115264 836896 9.08 758232 1945932 85668 06:00:01 5172976 7416352 2994444 36.66 68524 2323160 662724 7.19 713232 2050432 179792 Average: 5399121 7365988 2768299 33.89 61047 2063112 728285 7.90 682339 1874803 163124 05:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:58:02 ens3 425.18 276.12 2220.73 70.09 0.00 0.00 0.00 0.00 05:58:02 lo 0.93 0.93 0.09 0.09 0.00 0.00 0.00 0.00 05:59:01 ens3 183.10 178.80 3180.89 31.77 0.00 0.00 0.00 0.00 05:59:01 lo 1.56 1.56 0.15 0.15 0.00 0.00 0.00 0.00 06:00:01 ens3 99.05 94.67 1139.82 19.35 0.00 0.00 0.00 0.00 06:00:01 lo 120.36 120.36 36.41 36.41 0.00 0.00 0.00 0.00 Average: ens3 236.07 183.22 2174.89 40.45 0.00 0.00 0.00 0.00 Average: lo 41.17 41.17 12.28 12.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2104) 11/07/26 _x86_64_ (4 CPU) 05:56:52 LINUX RESTART (4 CPU) 05:57:01 CPU %user %nice %system %iowait %steal %idle 05:58:02 all 22.78 0.00 1.65 3.73 0.06 71.78 05:58:02 0 6.62 0.00 0.82 0.68 0.03 91.85 05:58:02 1 25.31 0.00 1.72 1.07 0.05 71.85 05:58:02 2 42.46 0.00 2.09 1.85 0.10 53.50 05:58:02 3 16.93 0.00 1.95 11.39 0.05 69.67 05:59:01 all 18.40 0.00 1.14 2.03 0.06 78.36 05:59:01 0 15.20 0.00 1.20 0.83 0.07 82.69 05:59:01 1 22.28 0.00 0.90 0.43 0.07 76.32 05:59:01 2 18.31 0.00 1.62 5.03 0.07 74.97 05:59:01 3 17.87 0.00 0.81 1.83 0.07 79.42 06:00:01 all 43.59 0.00 1.62 0.32 0.11 54.37 06:00:01 0 40.88 0.00 1.81 0.38 0.10 56.83 06:00:01 1 42.05 0.00 1.82 0.48 0.10 55.54 06:00:01 2 48.13 0.00 1.69 0.30 0.12 49.77 06:00:01 3 43.26 0.00 1.18 0.10 0.10 55.36 Average: all 28.31 0.00 1.47 2.03 0.08 68.12 Average: 0 20.86 0.00 1.28 0.63 0.07 77.17 Average: 1 29.93 0.00 1.48 0.66 0.07 67.85 Average: 2 36.41 0.00 1.80 2.38 0.10 59.31 Average: 3 26.07 0.00 1.32 4.45 0.07 68.08