---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-10241 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 461 5177 0 2337 7231 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:d6:cd:dd brd ff:ff:ff:ff:ff:ff inet 10.32.7.170/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86111sec preferred_lft 86111sec inet6 fe80::f816:3eff:fed6:cddd/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-10241) 09/08/26 _x86_64_ (4 CPU) 07:04:44 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 100.05 29.11 70.94 959.31 5759.72 07:07:01 79.16 31.04 48.12 1743.14 9158.12 07:08:01 49.64 7.93 41.71 544.31 10705.28 07:09:01 26.00 1.95 24.05 110.91 6043.13 Average: 63.65 17.45 46.20 835.67 7911.42 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5852828 7399560 2314592 28.34 45952 1674028 716944 7.78 639352 1499392 168908 07:07:01 5541464 7367820 2625956 32.15 58748 1928072 769904 8.35 650320 1772100 194904 07:08:01 5270704 7371012 2896716 35.47 66696 2186892 711432 7.72 776024 1904004 156620 07:09:01 5316036 7421208 2851384 34.91 68572 2189660 682892 7.41 740416 1893156 10076 Average: 5495258 7389900 2672162 32.72 59992 1994663 720293 7.82 701528 1767163 132627 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 ens3 334.93 189.90 1283.69 56.30 0.00 0.00 0.00 0.00 07:06:02 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 07:07:01 ens3 81.55 70.45 864.55 16.34 0.00 0.00 0.00 0.00 07:07:01 lo 1.69 1.69 0.16 0.16 0.00 0.00 0.00 0.00 07:08:01 ens3 117.05 103.97 1835.87 21.19 0.00 0.00 0.00 0.00 07:08:01 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 07:09:01 ens3 57.42 69.12 28.63 676.13 0.00 0.00 0.00 0.00 07:09:01 lo 1.67 1.67 0.15 0.15 0.00 0.00 0.00 0.00 Average: ens3 148.01 108.52 1003.76 193.22 0.00 0.00 0.00 0.00 Average: lo 1.13 1.13 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-10241) 09/08/26 _x86_64_ (4 CPU) 07:04:44 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 22.50 0.00 1.52 3.74 1.50 70.74 07:06:02 0 9.86 0.00 0.92 3.76 0.85 84.62 07:06:02 1 38.75 0.00 2.43 3.36 1.68 53.78 07:06:02 2 19.48 0.00 1.62 5.07 1.59 72.23 07:06:02 3 21.87 0.00 1.11 2.76 1.89 72.37 07:07:01 all 22.67 0.00 1.42 2.44 1.74 71.72 07:07:01 0 14.19 0.00 1.16 1.32 1.13 82.19 07:07:01 1 56.87 0.00 2.82 3.61 2.43 34.28 07:07:01 2 8.02 0.00 0.91 3.53 1.37 86.17 07:07:01 3 11.63 0.00 0.79 1.33 2.03 84.22 07:08:01 all 36.05 0.00 1.91 1.21 3.84 56.99 07:08:01 0 39.17 0.00 2.20 2.48 3.83 52.32 07:08:01 1 31.50 0.00 1.42 0.36 3.27 63.44 07:08:01 2 43.50 0.00 1.92 1.29 3.79 49.49 07:08:01 3 30.04 0.00 2.11 0.71 4.47 62.67 07:09:01 all 19.81 0.00 0.92 1.20 0.98 77.08 07:09:01 0 5.36 0.00 0.58 0.00 0.76 93.29 07:09:01 1 19.19 0.00 1.18 0.23 0.73 78.66 07:09:01 2 7.63 0.00 0.83 4.05 0.73 86.76 07:09:01 3 47.10 0.00 1.10 0.52 1.73 49.56 Average: all 25.28 0.00 1.44 2.15 2.02 69.10 Average: 0 17.19 0.00 1.22 1.89 1.65 78.05 Average: 1 36.51 0.00 1.96 1.88 2.03 57.62 Average: 2 19.72 0.00 1.32 3.48 1.87 73.60 Average: 3 27.71 0.00 1.28 1.33 2.54 67.15