---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5095 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 464 5328 0 2182 7230 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:72:40:e7 brd ff:ff:ff:ff:ff:ff inet 10.32.6.238/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86121sec preferred_lft 86121sec inet6 fe80::f816:3eff:fe72:40e7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5095) 02/05/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:02 124.06 54.19 69.87 3576.34 6786.75 07:07:01 85.99 31.91 54.08 1760.24 8270.60 07:08:01 62.31 8.18 54.13 490.10 6881.44 07:09:01 24.71 0.88 23.83 48.93 4889.59 Average: 74.22 23.76 50.46 1467.64 6700.56 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:02 5842696 7384668 2324724 28.46 45972 1669240 721492 7.83 649840 1496692 161692 07:07:01 5509780 7238768 2657640 32.54 59596 1831508 837696 9.09 783732 1672736 99448 07:08:01 5486512 7428292 2680908 32.82 66252 2032076 650252 7.06 709108 1760460 127760 07:09:01 5492320 7439484 2675100 32.75 68388 2034884 638540 6.93 706840 1756660 11168 Average: 5582827 7372803 2584593 31.65 60052 1891927 711995 7.73 712380 1671637 100017 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:02 ens3 467.02 267.12 1469.12 68.84 0.00 0.00 0.00 0.00 07:06:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:07:01 ens3 153.28 144.47 725.45 30.30 0.00 0.00 0.00 0.00 07:07:01 lo 1.49 1.49 0.14 0.14 0.00 0.00 0.00 0.00 07:08:01 ens3 243.15 278.01 1286.60 45.94 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 65.37 68.66 37.89 599.11 0.00 0.00 0.00 0.00 07:09:01 lo 1.80 1.80 0.16 0.16 0.00 0.00 0.00 0.00 Average: ens3 232.54 189.76 880.43 186.69 0.00 0.00 0.00 0.00 Average: lo 1.13 1.13 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-5095) 02/05/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:02 all 23.16 0.00 1.95 3.67 1.13 70.09 07:06:02 0 24.22 0.00 1.57 5.34 1.25 67.62 07:06:02 1 22.39 0.00 1.62 1.77 0.94 73.28 07:06:02 2 33.89 0.00 3.03 1.05 1.38 60.64 07:06:02 3 12.11 0.00 1.57 6.53 0.93 78.86 07:07:01 all 28.33 0.00 1.93 1.80 1.55 66.39 07:07:01 0 21.73 0.00 1.61 3.28 1.37 72.02 07:07:01 1 16.32 0.00 1.25 1.59 1.25 79.59 07:07:01 2 55.03 0.00 2.71 0.30 2.01 39.94 07:07:01 3 20.29 0.00 2.16 2.02 1.58 73.95 07:08:01 all 38.65 0.00 2.02 0.67 1.99 56.67 07:08:01 0 34.77 0.00 2.22 1.85 1.85 59.31 07:08:01 1 31.00 0.00 1.70 0.57 2.10 64.63 07:08:01 2 33.33 0.00 1.76 0.15 1.76 63.00 07:08:01 3 55.50 0.00 2.38 0.10 2.25 39.77 07:09:01 all 20.53 0.00 1.13 0.82 0.76 76.76 07:09:01 0 10.80 0.00 0.95 2.07 0.35 85.83 07:09:01 1 53.32 0.00 1.58 0.28 1.45 43.37 07:09:01 2 11.14 0.00 0.95 0.80 0.55 86.55 07:09:01 3 6.79 0.00 1.10 0.10 0.70 91.31 Average: all 27.67 0.00 1.76 1.74 1.36 67.48 Average: 0 22.88 0.00 1.59 3.13 1.20 71.19 Average: 1 30.83 0.00 1.54 1.05 1.44 65.15 Average: 2 33.28 0.00 2.11 0.58 1.43 62.60 Average: 3 23.68 0.00 1.80 2.19 1.37 70.97