---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-14202 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 7.9G 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 467 5005 0 2503 7221 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:46:86:7b brd ff:ff:ff:ff:ff:ff inet 10.32.7.194/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86149sec preferred_lft 86149sec inet6 fe80::f816:3eff:fe46:867b/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-14202) 10/03/26 _x86_64_ (4 CPU) 05:14:54 LINUX RESTART (4 CPU) 05:15:01 tps rtps wtps bread/s bwrtn/s 05:16:01 159.05 55.60 103.45 3629.72 42856.66 05:17:01 103.55 36.94 66.61 2256.56 14205.23 05:18:01 22.08 10.51 11.56 784.27 7162.54 05:19:01 39.23 2.40 36.83 162.77 8219.70 Average: 80.98 26.37 54.61 1708.41 18112.06 05:15:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:16:01 5934124 7491428 2233288 27.34 49420 1678668 610180 6.62 492912 1557512 189792 05:17:01 5366728 7303644 2800684 34.29 61732 2032440 782896 8.49 722076 1867020 109632 05:18:01 4636644 6803792 3530768 43.23 66624 2250952 1191976 12.93 1303380 2000212 105920 05:19:01 5190812 7460256 2976600 36.44 71020 2346684 605976 6.58 690744 2056392 8184 Average: 5282077 7264780 2885335 35.33 62199 2077186 797757 8.66 802278 1870284 103382 05:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:16:01 ens3 356.78 224.06 1626.69 65.06 0.00 0.00 0.00 0.00 05:16:01 lo 1.00 1.00 0.09 0.09 0.00 0.00 0.00 0.00 05:17:01 ens3 143.49 141.76 2384.46 24.73 0.00 0.00 0.00 0.00 05:17:01 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 05:18:01 ens3 135.76 134.81 2204.74 21.13 0.00 0.00 0.00 0.00 05:18:01 lo 122.48 122.48 36.42 36.42 0.00 0.00 0.00 0.00 05:19:01 ens3 60.61 56.26 508.18 17.31 0.00 0.00 0.00 0.00 05:19:01 lo 1.13 1.13 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 174.17 139.23 1681.02 32.06 0.00 0.00 0.00 0.00 Average: lo 31.50 31.50 9.19 9.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-14202) 10/03/26 _x86_64_ (4 CPU) 05:14:54 LINUX RESTART (4 CPU) 05:15:01 CPU %user %nice %system %iowait %steal %idle 05:16:01 all 21.21 0.00 1.95 4.74 0.07 72.03 05:16:01 0 23.09 0.00 1.64 4.68 0.07 70.52 05:16:01 1 10.30 0.00 1.61 10.88 0.05 77.16 05:16:01 2 22.61 0.00 1.50 1.39 0.08 74.42 05:16:01 3 28.84 0.00 3.03 2.01 0.07 66.06 05:17:01 all 17.48 0.00 1.08 2.12 0.05 79.27 05:17:01 0 7.50 0.00 0.57 2.18 0.03 89.72 05:17:01 1 11.14 0.00 0.75 0.77 0.05 87.28 05:17:01 2 38.78 0.00 1.77 0.50 0.08 58.86 05:17:01 3 12.55 0.00 1.20 5.03 0.05 81.16 05:18:01 all 41.35 0.00 1.42 0.32 0.10 56.81 05:18:01 0 42.15 0.00 1.19 0.22 0.10 56.34 05:18:01 1 38.66 0.00 1.54 0.52 0.10 59.17 05:18:01 2 41.75 0.00 1.52 0.15 0.10 56.48 05:18:01 3 42.84 0.00 1.42 0.38 0.12 55.24 05:19:01 all 22.36 0.00 1.17 1.18 0.05 75.23 05:19:01 0 62.98 0.00 1.97 1.02 0.10 33.93 05:19:01 1 4.82 0.00 0.60 1.33 0.02 93.23 05:19:01 2 3.78 0.00 0.75 1.99 0.03 93.45 05:19:01 3 17.86 0.00 1.38 0.38 0.05 80.32 Average: all 25.60 0.00 1.40 2.09 0.07 70.84 Average: 0 33.92 0.00 1.34 2.02 0.08 62.64 Average: 1 16.20 0.00 1.13 3.38 0.05 79.24 Average: 2 26.73 0.00 1.39 1.01 0.08 70.80 Average: 3 25.52 0.00 1.76 1.95 0.07 70.70