---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7974 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 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 470 5160 0 2344 7222 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:0c:b0:52 brd ff:ff:ff:ff:ff:ff inet 10.32.6.196/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86119sec preferred_lft 86119sec inet6 fe80::f816:3eff:fe0c:b052/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7974) 08/10/26 _x86_64_ (4 CPU) 07:04:54 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 147.09 62.19 84.90 4046.66 40669.11 07:07:01 62.67 5.73 56.94 200.10 10058.72 07:08:01 76.66 32.81 43.85 2076.91 9481.37 07:09:01 27.95 1.92 26.03 105.98 8085.99 Average: 78.59 25.66 52.93 1607.43 17073.48 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5976908 7406516 2190512 26.82 37064 1572540 709032 7.69 593384 1435212 85392 07:07:01 5700888 7480344 2466532 30.20 57248 1883040 608864 6.61 522844 1742736 203120 07:08:01 5285208 7388000 2882212 35.29 66360 2189796 690512 7.49 757832 1907748 212396 07:09:01 5306960 7418488 2860460 35.02 68592 2195828 660396 7.17 743136 1899904 9256 Average: 5567491 7423337 2599929 31.83 57316 1960301 667201 7.24 654299 1746400 127541 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 423.08 240.51 1497.83 66.75 0.00 0.00 0.00 0.00 07:06:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 07:07:01 ens3 64.84 57.16 795.99 7.22 0.00 0.00 0.00 0.00 07:07:01 lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 07:08:01 ens3 147.68 127.34 1955.77 30.10 0.00 0.00 0.00 0.00 07:08:01 lo 1.63 1.63 0.16 0.16 0.00 0.00 0.00 0.00 07:09:01 ens3 64.16 61.61 28.97 663.67 0.00 0.00 0.00 0.00 07:09:01 lo 1.47 1.47 0.13 0.13 0.00 0.00 0.00 0.00 Average: ens3 174.94 121.65 1069.68 191.93 0.00 0.00 0.00 0.00 Average: lo 1.14 1.14 0.11 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7974) 08/10/26 _x86_64_ (4 CPU) 07:04:54 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 21.48 0.00 2.89 5.17 1.32 69.14 07:06:01 0 14.05 0.00 2.57 8.20 1.10 74.08 07:06:01 1 27.47 0.00 3.58 5.40 1.37 62.18 07:06:01 2 19.00 0.00 1.74 5.08 1.39 72.80 07:06:01 3 25.41 0.00 3.68 2.00 1.41 67.50 07:07:01 all 20.52 0.00 1.33 2.00 0.99 75.16 07:07:01 0 14.57 0.00 1.38 6.54 0.63 76.88 07:07:01 1 36.07 0.00 2.31 1.08 1.08 59.45 07:07:01 2 15.10 0.00 0.87 0.13 0.67 83.24 07:07:01 3 16.35 0.00 0.76 0.25 1.54 81.09 07:08:01 all 38.01 0.00 1.94 1.78 2.88 55.38 07:08:01 0 36.55 0.00 1.69 2.08 2.84 56.84 07:08:01 1 30.08 0.00 1.51 2.68 2.66 63.06 07:08:01 2 50.85 0.00 2.43 1.26 3.08 42.39 07:08:01 3 34.55 0.00 2.11 1.13 2.96 59.25 07:09:01 all 20.41 0.00 1.04 0.93 0.77 76.84 07:09:01 0 0.78 0.00 0.45 2.15 0.13 96.48 07:09:01 1 54.02 0.00 1.53 0.52 1.47 42.46 07:09:01 2 19.08 0.00 1.20 0.03 0.55 79.13 07:09:01 3 7.92 0.00 0.99 1.04 0.94 89.11 Average: all 25.11 0.00 1.80 2.47 1.49 69.13 Average: 0 16.51 0.00 1.52 4.74 1.18 76.06 Average: 1 36.91 0.00 2.24 2.42 1.65 56.79 Average: 2 26.02 0.00 1.56 1.62 1.42 69.37 Average: 3 21.03 0.00 1.88 1.10 1.71 74.27