---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2714 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 7.8G 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 473 5059 0 2442 7215 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:a8:c4:ec brd ff:ff:ff:ff:ff:ff inet 10.32.6.34/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86043sec preferred_lft 86043sec inet6 fe80::f816:3eff:fea8:c4ec/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-2714) 06/06/26 _x86_64_ (4 CPU) 05:14:52 LINUX RESTART (4 CPU) 05:15:01 tps rtps wtps bread/s bwrtn/s 05:16:02 141.93 54.84 87.09 3606.73 41074.77 05:17:01 57.02 5.61 51.42 163.63 9450.19 05:18:01 70.44 30.29 40.15 2093.04 9175.34 05:19:01 13.80 5.02 8.78 183.04 3510.88 05:20:01 29.48 1.23 28.25 98.65 7853.89 Average: 62.55 19.44 43.11 1232.61 14228.77 05:15:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:16:02 5956512 7403896 2210900 27.07 38472 1588128 714188 7.75 599204 1445096 104472 05:17:01 5733852 7453220 2433560 29.80 57116 1824216 815932 8.85 548348 1683124 154660 05:18:01 4756532 6747048 3410880 41.76 63924 2081180 1366936 14.83 1307776 1884840 98156 05:19:01 4622748 6799732 3544664 43.40 67120 2259788 1132604 12.29 1320056 1994680 175740 05:20:01 5215584 7418988 2951828 36.14 69736 2283324 676828 7.34 722996 2001148 8716 Average: 5257046 7164577 2910366 35.63 59274 2007327 941298 10.21 899676 1801778 108349 05:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:16:02 ens3 409.68 207.68 1495.99 61.94 0.00 0.00 0.00 0.00 05:16:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 05:17:01 ens3 55.41 44.21 521.37 11.08 0.00 0.00 0.00 0.00 05:17:01 lo 0.54 0.54 0.05 0.05 0.00 0.00 0.00 0.00 05:18:01 ens3 230.02 215.24 3122.32 28.85 0.00 0.00 0.00 0.00 05:18:01 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 05:19:01 ens3 93.80 89.94 1031.39 12.85 0.00 0.00 0.00 0.00 05:19:01 lo 120.55 120.55 36.43 36.43 0.00 0.00 0.00 0.00 05:20:01 ens3 37.61 32.68 228.47 9.80 0.00 0.00 0.00 0.00 05:20:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 165.68 118.20 1282.50 24.95 0.00 0.00 0.00 0.00 Average: lo 24.82 24.82 7.37 7.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2714) 06/06/26 _x86_64_ (4 CPU) 05:14:52 LINUX RESTART (4 CPU) 05:15:01 CPU %user %nice %system %iowait %steal %idle 05:16:02 all 21.51 0.00 2.05 5.04 2.22 69.19 05:16:02 0 41.33 0.00 2.18 2.11 2.74 51.63 05:16:02 1 21.60 0.00 1.60 2.99 2.10 71.70 05:16:02 2 9.45 0.00 1.37 5.94 2.08 81.16 05:16:02 3 13.61 0.00 3.05 9.09 1.96 72.29 05:17:01 all 19.20 0.00 1.11 1.96 1.66 76.06 05:17:01 0 25.16 0.00 1.52 0.28 2.87 70.18 05:17:01 1 29.32 0.00 1.54 0.74 1.35 67.04 05:17:01 2 9.63 0.00 0.52 5.87 1.46 82.52 05:17:01 3 12.65 0.00 0.86 1.00 0.95 84.54 05:18:01 all 27.65 0.00 1.40 1.72 2.19 67.03 05:18:01 0 29.70 0.00 1.25 1.47 2.06 65.52 05:18:01 1 26.98 0.00 1.01 0.50 1.99 69.52 05:18:01 2 26.42 0.00 1.51 0.63 2.38 69.06 05:18:01 3 27.54 0.00 1.83 4.28 2.33 64.03 05:19:01 all 46.23 0.00 1.63 0.30 3.58 48.26 05:19:01 0 44.64 0.00 1.36 0.36 3.59 50.05 05:19:01 1 45.62 0.00 2.12 0.48 3.45 48.32 05:19:01 2 44.61 0.00 1.28 0.22 3.68 50.21 05:19:01 3 50.03 0.00 1.82 0.15 3.58 44.42 05:20:01 all 19.14 0.00 1.05 0.78 0.94 78.09 05:20:01 0 21.43 0.00 1.23 1.31 1.21 74.82 05:20:01 1 6.76 0.00 0.68 0.26 0.73 91.57 05:20:01 2 40.15 0.00 1.46 1.50 1.40 55.49 05:20:01 3 8.27 0.00 0.82 0.07 0.42 90.43 Average: all 26.77 0.00 1.45 1.96 2.12 67.70 Average: 0 32.48 0.00 1.51 1.11 2.50 62.41 Average: 1 26.03 0.00 1.39 1.00 1.93 69.65 Average: 2 26.07 0.00 1.23 2.83 2.20 67.67 Average: 3 22.47 0.00 1.68 2.92 1.85 71.07