---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-11061 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: 2799.998 BogoMIPS: 5599.99 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 455 5368 0 2151 7241 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:08:f3:2a brd ff:ff:ff:ff:ff:ff inet 10.32.6.20/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86121sec preferred_lft 86121sec inet6 fe80::f816:3eff:fe08:f32a/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-11061) 12/06/25 _x86_64_ (4 CPU) 07:04:57 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 172.47 88.54 83.94 4984.50 40642.18 07:07:01 73.94 20.62 53.32 1404.54 8915.08 07:08:01 75.30 17.63 57.67 787.60 7953.07 07:09:01 22.91 1.52 21.40 75.32 4823.73 Average: 86.21 32.12 54.08 1814.68 15611.13 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 6006728 7427704 2160692 26.46 36652 1564048 695584 7.55 573084 1424040 85516 07:07:01 5739296 7432832 2428124 29.73 57240 1800240 825924 8.96 583356 1648316 134896 07:08:01 5448712 7365488 2718708 33.29 63124 2012612 743936 8.07 765856 1745408 122740 07:09:01 5518836 7434096 2648584 32.43 65060 2008944 667372 7.24 704308 1737176 9540 Average: 5678393 7415030 2489027 30.48 55519 1846461 733204 7.96 656651 1638735 88173 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 ens3 443.84 279.55 1494.16 68.86 0.00 0.00 0.00 0.00 07:06:02 lo 1.55 1.55 0.14 0.14 0.00 0.00 0.00 0.00 07:07:01 ens3 93.22 61.49 477.91 17.94 0.00 0.00 0.00 0.00 07:07:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 07:08:01 ens3 239.93 257.29 1253.94 44.16 0.00 0.00 0.00 0.00 07:08:01 lo 0.70 0.70 0.06 0.06 0.00 0.00 0.00 0.00 07:09:01 ens3 59.54 66.51 28.77 608.67 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 209.61 166.64 815.09 185.60 0.00 0.00 0.00 0.00 Average: lo 1.23 1.23 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-11061) 12/06/25 _x86_64_ (4 CPU) 07:04:57 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 20.74 0.00 2.79 5.82 2.07 68.58 07:06:02 0 24.86 0.00 2.06 5.30 1.81 65.97 07:06:02 1 23.48 0.00 5.11 6.29 1.86 63.26 07:06:02 2 21.76 0.00 2.48 5.35 2.96 67.45 07:06:02 3 12.89 0.00 1.51 6.33 1.66 77.62 07:07:01 all 21.11 0.00 1.33 2.25 1.56 73.75 07:07:01 0 4.82 0.00 0.38 0.84 2.14 91.82 07:07:01 1 18.50 0.00 1.18 1.54 1.10 77.68 07:07:01 2 58.87 0.00 3.15 1.15 2.29 34.53 07:07:01 3 2.55 0.00 0.66 5.49 0.69 90.60 07:08:01 all 34.71 0.00 1.67 1.45 3.08 59.10 07:08:01 0 24.30 0.00 1.23 0.96 2.65 70.86 07:08:01 1 33.75 0.00 1.85 2.15 3.23 59.02 07:08:01 2 31.97 0.00 1.27 1.16 2.81 62.79 07:08:01 3 48.81 0.00 2.27 1.52 3.62 43.78 07:09:01 all 20.81 0.00 0.98 0.69 1.13 76.40 07:09:01 0 3.90 0.00 0.38 0.56 0.90 94.26 07:09:01 1 34.04 0.00 1.34 0.23 1.46 62.92 07:09:01 2 35.50 0.00 1.23 0.17 1.40 61.71 07:09:01 3 9.79 0.00 0.98 1.78 0.77 86.69 Average: all 24.36 0.00 1.69 2.55 1.96 69.43 Average: 0 14.49 0.00 1.01 1.92 1.87 80.70 Average: 1 27.49 0.00 2.38 2.56 1.92 65.66 Average: 2 36.87 0.00 2.03 1.97 2.37 56.77 Average: 3 18.61 0.00 1.36 3.77 1.69 74.57