---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8506 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 7.6G 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 448 5277 0 2250 7245 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:f2:d9 brd ff:ff:ff:ff:ff:ff inet 10.32.6.65/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86096sec preferred_lft 86096sec inet6 fe80::f816:3eff:fea8:f2d9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8506) 11/08/25 _x86_64_ (4 CPU) 08:13:03 LINUX RESTART (4 CPU) 08:14:01 tps rtps wtps bread/s bwrtn/s 08:15:01 57.80 0.22 57.58 26.66 9158.41 08:16:02 99.18 37.33 61.85 2236.48 10654.67 08:17:01 33.23 2.85 30.38 143.14 4652.39 08:18:01 24.33 0.47 23.86 18.00 1466.69 Average: 53.72 10.25 43.47 608.10 6491.08 08:14:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:15:01 5774084 7417292 2393336 29.30 55284 1753200 701708 7.61 591760 1606128 128996 08:16:02 4966172 6849636 3201248 39.20 62740 1978796 1212256 13.15 1191836 1798972 4260 08:17:01 5428760 7439684 2738660 33.53 67120 2098856 665900 7.23 673476 1850908 27192 08:18:01 5443984 7459360 2723436 33.35 69056 2100984 645140 7.00 658812 1849752 10724 Average: 5403250 7291493 2764170 33.84 63550 1982959 806251 8.75 778971 1776440 42793 08:14:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:15:01 ens3 53.48 44.64 670.04 5.51 0.00 0.00 0.00 0.00 08:15:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 08:16:02 ens3 360.97 350.76 2641.34 62.32 0.00 0.00 0.00 0.00 08:16:02 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 08:17:01 ens3 163.23 188.16 869.88 33.08 0.00 0.00 0.00 0.00 08:17:01 lo 1.30 1.30 0.18 0.18 0.00 0.00 0.00 0.00 08:18:01 ens3 8.40 10.15 6.43 4.74 0.00 0.00 0.00 0.00 08:18:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 146.47 148.27 1047.77 26.39 0.00 0.00 0.00 0.00 Average: lo 0.94 0.94 0.10 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-8506) 11/08/25 _x86_64_ (4 CPU) 08:13:03 LINUX RESTART (4 CPU) 08:14:01 CPU %user %nice %system %iowait %steal %idle 08:15:01 all 20.55 0.00 1.25 1.70 1.11 75.39 08:15:01 0 7.25 0.00 0.51 0.76 0.56 90.90 08:15:01 1 16.48 0.00 1.28 3.99 0.78 77.47 08:15:01 2 24.91 0.00 1.59 1.79 1.95 69.76 08:15:01 3 33.58 0.00 1.63 0.25 1.13 63.41 08:16:02 all 37.99 0.00 1.97 1.79 3.35 54.90 08:16:02 0 31.45 0.00 1.55 2.84 3.34 60.82 08:16:02 1 38.15 0.00 1.44 1.47 3.16 55.77 08:16:02 2 42.05 0.00 3.47 1.47 3.70 49.31 08:16:02 3 40.32 0.00 1.42 1.36 3.20 53.69 08:17:01 all 30.08 0.00 1.70 0.74 2.65 64.82 08:17:01 0 19.89 0.00 1.41 1.07 2.62 75.02 08:17:01 1 23.06 0.00 1.06 0.08 2.11 73.68 08:17:01 2 19.22 0.00 1.79 1.39 2.77 74.83 08:17:01 3 58.25 0.00 2.58 0.42 3.12 35.64 08:18:01 all 20.56 0.00 0.87 1.22 1.26 76.09 08:18:01 0 17.23 0.00 0.67 4.29 0.93 76.88 08:18:01 1 5.79 0.00 0.53 0.02 1.45 92.21 08:18:01 2 25.94 0.00 1.11 0.45 1.46 71.04 08:18:01 3 33.39 0.00 1.15 0.13 1.21 64.11 Average: all 27.30 0.00 1.45 1.37 2.09 67.80 Average: 0 18.97 0.00 1.04 2.25 1.86 75.89 Average: 1 20.86 0.00 1.08 1.39 1.88 74.80 Average: 2 28.07 0.00 1.99 1.27 2.47 66.20 Average: 3 41.34 0.00 1.69 0.54 2.16 54.27