---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8291 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 468 5196 0 2310 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:30:f6:9d brd ff:ff:ff:ff:ff:ff inet 10.32.6.137/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86063sec preferred_lft 86063sec inet6 fe80::f816:3eff:fe30:f69d/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-8291) 03/07/26 _x86_64_ (4 CPU) 05:56:55 LINUX RESTART (4 CPU) 05:57:01 tps rtps wtps bread/s bwrtn/s 05:58:01 150.77 65.17 85.60 4254.62 40720.16 05:59:01 83.07 30.14 52.92 1665.06 9478.42 06:00:01 35.34 10.05 25.29 708.56 6459.05 06:01:01 12.00 3.93 8.06 115.96 3102.03 06:02:01 31.11 0.65 30.46 77.44 7197.33 Average: 62.45 21.99 40.47 1364.22 13390.62 05:57:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:58:01 5980536 7402008 2186884 26.78 37072 1564304 720152 7.81 598404 1424560 86144 05:59:01 5667376 7362044 2500044 30.61 57124 1801700 756032 8.20 677252 1626260 102992 06:00:01 4692924 6574080 3474496 42.54 62084 1977136 1487216 16.14 1499180 1763012 82120 06:01:01 5349592 7418136 2817828 34.50 66024 2155880 652988 7.09 713724 1884300 178668 06:02:01 5320588 7394296 2846832 34.86 68400 2158432 690948 7.50 744012 1883340 8816 Average: 5402203 7230113 2765217 33.86 58141 1931490 861467 9.35 846514 1716294 91748 05:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:58:01 ens3 372.44 239.76 1484.93 66.24 0.00 0.00 0.00 0.00 05:58:01 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 05:59:01 ens3 53.16 44.76 438.96 12.06 0.00 0.00 0.00 0.00 05:59:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 06:00:01 ens3 188.14 175.54 2437.96 23.40 0.00 0.00 0.00 0.00 06:00:01 lo 0.70 0.70 0.11 0.11 0.00 0.00 0.00 0.00 06:01:01 ens3 125.74 109.00 1063.09 18.96 0.00 0.00 0.00 0.00 06:01:01 lo 124.53 124.53 36.60 36.60 0.00 0.00 0.00 0.00 06:02:01 ens3 10.51 11.01 8.30 5.49 0.00 0.00 0.00 0.00 06:02:01 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 149.99 116.01 1086.66 25.23 0.00 0.00 0.00 0.00 Average: lo 25.67 25.67 7.40 7.40 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8291) 03/07/26 _x86_64_ (4 CPU) 05:56:55 LINUX RESTART (4 CPU) 05:57:01 CPU %user %nice %system %iowait %steal %idle 05:58:01 all 22.16 0.00 2.60 4.56 1.39 69.29 05:58:01 0 11.22 0.00 1.42 4.18 1.03 82.15 05:58:01 1 52.14 0.00 2.89 3.72 2.04 39.21 05:58:01 2 12.22 0.00 1.78 2.97 1.36 81.67 05:58:01 3 13.15 0.00 4.31 7.40 1.11 74.03 05:59:01 all 22.37 0.00 1.50 2.16 1.21 72.77 05:59:01 0 8.73 0.00 0.65 0.47 0.57 89.59 05:59:01 1 31.13 0.00 2.01 4.57 1.55 60.74 05:59:01 2 34.18 0.00 2.04 1.35 1.69 60.74 05:59:01 3 15.46 0.00 1.30 2.23 1.03 79.98 06:00:01 all 40.58 0.00 1.50 0.96 2.58 54.39 06:00:01 0 46.39 0.00 1.28 0.10 2.39 49.84 06:00:01 1 33.61 0.00 1.63 0.65 2.60 61.51 06:00:01 2 43.34 0.00 1.38 0.70 2.72 51.86 06:00:01 3 38.96 0.00 1.66 2.40 2.63 54.34 06:01:01 all 37.01 0.00 1.79 0.17 2.68 58.35 06:01:01 0 40.67 0.00 1.17 0.00 2.60 55.56 06:01:01 1 34.34 0.00 2.15 0.22 2.58 60.71 06:01:01 2 38.30 0.00 1.48 0.17 2.81 57.25 06:01:01 3 34.75 0.00 2.38 0.27 2.70 59.91 06:02:01 all 19.61 0.00 0.94 0.84 0.88 77.73 06:02:01 0 2.15 0.00 0.40 1.10 0.13 96.22 06:02:01 1 37.62 0.00 1.58 1.40 1.20 58.20 06:02:01 2 31.48 0.00 1.30 0.73 1.51 64.98 06:02:01 3 7.21 0.00 0.50 0.15 0.68 91.46 Average: all 28.34 0.00 1.67 1.74 1.75 66.51 Average: 0 21.82 0.00 0.98 1.17 1.34 74.69 Average: 1 37.76 0.00 2.05 2.11 1.99 56.08 Average: 2 31.90 0.00 1.60 1.18 2.02 63.30 Average: 3 21.89 0.00 2.03 2.49 1.63 71.96