---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5419 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 7.7G 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 448 5240 0 2286 7244 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:f3:5d:ae brd ff:ff:ff:ff:ff:ff inet 10.32.6.232/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86123sec preferred_lft 86123sec inet6 fe80::f816:3eff:fef3:5dae/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-5419) 07/10/26 _x86_64_ (4 CPU) 07:04:45 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 114.36 44.53 69.84 2968.04 6638.38 07:07:01 74.17 30.49 43.68 1690.65 8729.35 07:08:02 55.76 9.40 46.36 623.90 9596.67 07:09:01 25.27 0.36 24.92 34.31 6149.69 Average: 67.57 21.28 46.29 1334.69 7785.40 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5866388 7409100 2301024 28.17 45744 1670696 719824 7.81 627692 1495736 161412 07:07:01 5554896 7336232 2612516 31.99 59704 1882188 795188 8.63 682560 1725240 162772 07:08:02 5406656 7454564 2760756 33.80 66844 2134752 644532 6.99 694448 1849508 163600 07:09:01 5405880 7456560 2761532 33.81 68800 2135720 648300 7.03 698764 1845820 10548 Average: 5558455 7414114 2608957 31.94 60273 1955839 701961 7.62 675866 1729076 124583 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 416.00 224.63 1506.56 65.81 0.00 0.00 0.00 0.00 07:06:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:07:01 ens3 77.57 64.77 599.23 15.75 0.00 0.00 0.00 0.00 07:07:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 07:08:02 ens3 209.78 202.65 1806.90 693.94 0.00 0.00 0.00 0.00 07:08:02 lo 1.37 1.37 0.13 0.13 0.00 0.00 0.00 0.00 07:09:01 ens3 12.98 13.41 12.64 6.15 0.00 0.00 0.00 0.00 07:09:01 lo 1.02 1.02 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 179.78 126.84 985.42 196.22 0.00 0.00 0.00 0.00 Average: lo 1.15 1.15 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-5419) 07/10/26 _x86_64_ (4 CPU) 07:04:45 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 22.39 0.00 1.87 3.57 1.54 70.62 07:06:01 0 10.32 0.00 1.10 3.24 1.22 84.12 07:06:01 1 8.89 0.00 1.51 6.02 1.15 82.43 07:06:01 2 21.78 0.00 1.79 1.39 1.64 73.40 07:06:01 3 48.50 0.00 3.04 3.63 2.17 42.66 07:07:01 all 24.25 0.00 1.34 2.05 1.19 71.18 07:07:01 0 6.06 0.00 0.33 0.64 0.60 92.37 07:07:01 1 30.77 0.00 1.57 4.83 1.08 61.75 07:07:01 2 30.68 0.00 1.60 1.18 1.22 65.32 07:07:01 3 29.39 0.00 1.88 1.53 1.85 65.35 07:08:02 all 36.59 0.00 2.00 1.24 2.42 57.76 07:08:02 0 46.81 0.00 2.42 2.59 2.67 45.50 07:08:02 1 31.13 0.00 1.76 1.25 2.16 63.70 07:08:02 2 38.86 0.00 1.93 0.95 2.41 55.85 07:08:02 3 29.60 0.00 1.85 0.17 2.44 65.95 07:09:01 all 20.95 0.00 1.07 0.94 0.63 76.41 07:09:01 0 27.16 0.00 1.54 0.07 0.71 70.52 07:09:01 1 39.44 0.00 1.56 1.07 1.03 56.90 07:09:01 2 1.07 0.00 0.51 2.59 0.15 95.68 07:09:01 3 16.13 0.00 0.66 0.05 0.61 82.55 Average: all 26.07 0.00 1.57 1.95 1.45 68.95 Average: 0 22.61 0.00 1.35 1.64 1.31 73.09 Average: 1 27.49 0.00 1.60 3.30 1.36 66.24 Average: 2 23.19 0.00 1.46 1.52 1.36 72.46 Average: 3 30.97 0.00 1.86 1.35 1.77 64.05