---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1278 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 9.6G 68G 13% / 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 604 11836 0 3598 15105 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:a1:7e:ef brd ff:ff:ff:ff:ff:ff inet 10.30.107.146/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 86104sec preferred_lft 86104sec inet6 fe80::f816:3eff:fea1:7eef/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-1278) 11/06/26 _x86_64_ (4 CPU) 07:23:59 LINUX RESTART (4 CPU) 07:24:01 tps rtps wtps bread/s bwrtn/s 07:25:01 335.70 64.90 270.81 4396.67 109579.74 07:26:01 175.05 41.78 133.28 2472.65 18908.58 07:27:01 64.38 3.20 61.18 128.49 8097.70 07:28:01 161.36 5.76 155.60 169.54 19061.91 Average: 184.13 28.91 155.22 1791.81 38912.82 07:24:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:25:01 13936976 15579772 2487992 15.15 61968 1781236 754028 4.32 634600 1640256 174824 07:26:01 12650388 14739732 3774580 22.98 78220 2193932 1516792 8.68 1570628 1952588 18516 07:27:01 9411304 12205128 7013664 42.70 90136 2821284 4071464 23.30 4311680 2365312 437648 07:28:01 7565184 10488532 8859784 53.94 93128 2940016 5970944 34.17 6108328 2401616 1424 Average: 10890963 13253291 5534005 33.69 80863 2434117 3078307 17.62 3156309 2089943 158103 07:24:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:25:01 ens3 331.69 237.20 1885.17 74.18 0.00 0.00 0.00 0.00 07:25:01 lo 1.87 1.87 0.20 0.20 0.00 0.00 0.00 0.00 07:26:01 ens3 393.72 300.07 3080.33 74.14 0.00 0.00 0.00 0.00 07:26:01 lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 07:27:01 ens3 163.78 102.08 546.05 692.78 0.00 0.00 0.00 0.00 07:27:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 07:28:01 ens3 287.52 176.02 550.86 127.91 0.00 0.00 0.00 0.00 07:28:01 lo 1.07 1.07 13.50 13.50 0.00 0.00 0.00 0.00 Average: ens3 294.17 203.84 1515.54 242.26 0.00 0.00 0.00 0.00 Average: lo 0.90 0.90 3.44 3.44 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1278) 11/06/26 _x86_64_ (4 CPU) 07:23:59 LINUX RESTART (4 CPU) 07:24:01 CPU %user %nice %system %iowait %steal %idle 07:25:01 all 19.76 0.00 2.68 4.72 0.00 72.83 07:25:01 0 33.29 0.00 3.43 2.44 0.00 60.83 07:25:01 1 14.60 0.00 2.33 4.43 0.00 78.64 07:25:01 2 12.00 0.00 3.19 8.24 0.00 76.57 07:25:01 3 19.15 0.00 1.81 3.76 0.02 75.27 07:26:01 all 49.03 0.00 2.21 1.00 0.02 47.75 07:26:01 0 47.19 0.00 1.71 1.46 0.02 49.63 07:26:01 1 41.67 0.00 2.21 0.55 0.02 55.55 07:26:01 2 43.84 0.00 1.71 0.99 0.02 53.45 07:26:01 3 63.36 0.00 3.17 1.02 0.02 32.44 07:27:01 all 54.06 0.00 2.03 0.22 0.02 43.67 07:27:01 0 41.10 0.00 0.97 0.00 0.02 57.92 07:27:01 1 45.36 0.00 0.96 0.00 0.02 53.66 07:27:01 2 72.39 0.00 4.90 0.30 0.05 22.36 07:27:01 3 57.41 0.00 1.29 0.55 0.00 40.75 07:28:01 all 66.21 0.00 1.75 0.55 0.03 31.46 07:28:01 0 69.50 0.00 1.95 0.27 0.00 28.28 07:28:01 1 58.70 0.00 1.54 0.03 0.03 39.70 07:28:01 2 69.09 0.00 1.92 1.65 0.03 27.30 07:28:01 3 67.54 0.00 1.64 0.27 0.05 30.51 Average: all 47.28 0.00 2.17 1.62 0.02 48.91 Average: 0 47.77 0.00 2.01 1.04 0.01 49.16 Average: 1 40.12 0.00 1.76 1.25 0.02 56.86 Average: 2 49.35 0.00 2.93 2.79 0.03 44.90 Average: 3 51.88 0.00 1.97 1.40 0.02 44.73