---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1987 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 7.9G 0 7.9G 0% /dev tmpfs 1.6G 672K 1.6G 1% /run /dev/vda1 78G 8.9G 69G 12% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 599 12660 0 2780 15112 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:0a:d6:22 brd ff:ff:ff:ff:ff:ff inet 10.30.107.152/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86076sec preferred_lft 86076sec inet6 fe80::f816:3eff:fe0a:d622/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1987) 11/02/26 _x86_64_ (4 CPU) 09:30:25 LINUX RESTART (4 CPU) 09:31:01 tps rtps wtps bread/s bwrtn/s 09:32:01 141.66 16.41 125.25 1258.99 44916.38 09:33:01 114.40 13.16 101.23 490.32 13098.22 09:34:01 39.38 12.05 27.33 841.86 5384.04 09:35:01 17.15 2.92 14.23 70.65 1181.00 Average: 78.15 11.14 67.01 665.46 16144.91 09:31:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:32:01 13804076 15617096 2620892 15.96 71980 1931840 729980 4.18 607088 1783260 200896 09:33:01 13372420 15386564 3052548 18.58 87400 2107164 933004 5.34 882940 1915416 15900 09:34:01 12096920 14277380 4328048 26.35 90252 2265936 1960584 11.22 2064732 1996900 2132 09:35:01 12959452 15459412 3465516 21.10 91928 2580024 858420 4.91 1023276 2172664 302760 Average: 13058217 15185113 3366751 20.50 85390 2221241 1120497 6.41 1144509 1967060 130422 09:31:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:32:01 ens3 144.24 107.33 1699.77 31.76 0.00 0.00 0.00 0.00 09:32:01 lo 0.93 0.93 0.11 0.11 0.00 0.00 0.00 0.00 09:33:01 ens3 255.37 248.11 2379.39 55.27 0.00 0.00 0.00 0.00 09:33:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 09:34:01 ens3 247.78 194.97 1401.11 80.24 0.00 0.00 0.00 0.00 09:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:35:01 ens3 280.42 216.76 418.85 96.07 0.00 0.00 0.00 0.00 09:35:01 lo 0.65 0.65 0.91 0.91 0.00 0.00 0.00 0.00 Average: ens3 231.95 191.79 1474.78 65.84 0.00 0.00 0.00 0.00 Average: lo 0.48 0.48 0.26 0.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1987) 11/02/26 _x86_64_ (4 CPU) 09:30:25 LINUX RESTART (4 CPU) 09:31:01 CPU %user %nice %system %iowait %steal %idle 09:32:01 all 16.68 0.00 1.35 3.65 0.00 78.31 09:32:01 0 7.23 0.00 0.70 0.27 0.00 91.80 09:32:01 1 14.84 0.00 1.25 5.16 0.02 78.73 09:32:01 2 11.40 0.00 0.55 3.39 0.02 84.64 09:32:01 3 33.19 0.00 2.90 5.76 0.00 58.15 09:33:01 all 18.17 0.00 1.86 0.45 0.01 79.52 09:33:01 0 13.81 0.00 2.01 0.12 0.02 84.04 09:33:01 1 14.42 0.00 1.57 0.75 0.00 83.25 09:33:01 2 23.93 0.00 1.77 0.22 0.00 74.08 09:33:01 3 20.48 0.00 2.06 0.74 0.02 76.71 09:34:01 all 70.37 0.00 2.12 0.16 0.03 27.33 09:34:01 0 61.96 0.00 1.97 0.10 0.02 35.95 09:34:01 1 80.65 0.00 2.63 0.27 0.02 16.44 09:34:01 2 69.66 0.00 2.14 0.18 0.02 27.99 09:34:01 3 69.25 0.00 1.73 0.07 0.03 28.92 09:35:01 all 66.11 0.00 2.60 0.05 0.02 31.23 09:35:01 0 68.50 0.00 3.17 0.00 0.02 28.31 09:35:01 1 64.40 0.00 3.04 0.10 0.00 32.45 09:35:01 2 69.58 0.00 2.04 0.08 0.02 28.28 09:35:01 3 61.97 0.00 2.14 0.00 0.02 35.87 Average: all 42.83 0.00 1.98 1.08 0.01 54.09 Average: 0 37.92 0.00 1.96 0.12 0.01 59.99 Average: 1 43.56 0.00 2.12 1.57 0.01 52.74 Average: 2 43.64 0.00 1.63 0.97 0.01 53.75 Average: 3 46.21 0.00 2.21 1.64 0.02 49.92