---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7988 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 7.7G 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 484 5178 0 2313 7208 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:0b:7b:43 brd ff:ff:ff:ff:ff:ff inet 10.32.6.12/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86104sec preferred_lft 86104sec inet6 fe80::f816:3eff:fe0b:7b43/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7988) 08/10/26 _x86_64_ (4 CPU) 12:46:58 LINUX RESTART (4 CPU) 12:47:01 tps rtps wtps bread/s bwrtn/s 12:48:01 172.57 90.68 81.89 5086.89 41007.32 12:49:01 60.02 2.25 57.77 100.78 9826.63 12:50:01 105.22 36.69 68.52 2130.31 10530.78 12:51:01 29.03 1.97 27.07 109.53 5714.72 Average: 91.70 32.89 58.81 1856.66 16768.48 12:47:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:48:01 5987420 7412132 2179992 26.69 36568 1568488 692660 7.52 586152 1431124 83116 12:49:01 5703408 7474880 2464004 30.17 57132 1875716 611888 6.64 525680 1736980 194760 12:50:01 5213416 7159284 2953996 36.17 65688 2035408 888696 9.64 919304 1819872 11304 12:51:01 5316312 7394652 2851100 34.91 68836 2162904 663996 7.20 748592 1884780 9724 Average: 5555139 7360237 2612273 31.98 57056 1910629 714310 7.75 694932 1718189 74726 12:47:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:48:01 ens3 424.20 244.89 1530.88 66.65 0.00 0.00 0.00 0.00 12:48:01 lo 2.00 2.00 0.18 0.18 0.00 0.00 0.00 0.00 12:49:01 ens3 56.96 52.79 754.35 7.10 0.00 0.00 0.00 0.00 12:49:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 12:50:01 ens3 258.81 290.27 1449.87 67.26 0.00 0.00 0.00 0.00 12:50:01 lo 1.57 1.57 0.15 0.15 0.00 0.00 0.00 0.00 12:51:01 ens3 117.12 107.26 274.48 608.61 0.00 0.00 0.00 0.00 12:51:01 lo 1.20 1.20 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 214.26 173.80 1002.30 187.46 0.00 0.00 0.00 0.00 Average: lo 1.31 1.31 0.12 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7988) 08/10/26 _x86_64_ (4 CPU) 12:46:58 LINUX RESTART (4 CPU) 12:47:01 CPU %user %nice %system %iowait %steal %idle 12:48:01 all 22.82 0.00 2.99 5.42 1.41 67.36 12:48:01 0 32.91 0.00 1.60 2.25 1.57 61.68 12:48:01 1 17.56 0.00 5.29 8.53 1.34 67.28 12:48:01 2 16.97 0.00 2.49 7.90 1.17 71.47 12:48:01 3 23.81 0.00 2.63 3.00 1.58 68.99 12:49:01 all 20.33 0.00 1.34 1.77 0.95 75.62 12:49:01 0 23.61 0.00 1.93 0.45 1.05 72.95 12:49:01 1 31.98 0.00 1.87 5.45 1.13 59.57 12:49:01 2 15.40 0.00 0.90 0.68 1.15 81.87 12:49:01 3 10.30 0.00 0.67 0.50 0.50 88.03 12:50:01 all 42.11 0.00 2.59 2.40 3.12 49.78 12:50:01 0 38.41 0.00 2.98 2.27 2.93 53.41 12:50:01 1 43.49 0.00 1.38 0.47 2.83 51.84 12:50:01 2 41.70 0.00 2.21 3.46 3.08 49.54 12:50:01 3 44.82 0.00 3.76 3.40 3.63 44.39 12:51:01 all 21.08 0.00 1.19 0.83 0.83 76.07 12:51:01 0 2.40 0.00 0.82 0.00 0.37 96.42 12:51:01 1 30.20 0.00 1.17 2.02 0.98 65.63 12:51:01 2 36.64 0.00 1.48 0.20 1.28 60.39 12:51:01 3 15.13 0.00 1.31 1.11 0.68 81.77 Average: all 26.59 0.00 2.03 2.60 1.58 67.20 Average: 0 24.32 0.00 1.83 1.24 1.48 71.12 Average: 1 30.82 0.00 2.43 4.11 1.57 61.07 Average: 2 27.68 0.00 1.77 3.06 1.67 65.82 Average: 3 23.54 0.00 2.09 2.00 1.60 70.76