---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-5351 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 481 5208 0 2285 7212 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:48:68:ea brd ff:ff:ff:ff:ff:ff inet 10.32.6.83/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86132sec preferred_lft 86132sec inet6 fe80::f816:3eff:fe48:68ea/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-5351) 07/09/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 98.50 29.80 68.71 1011.96 5923.43 07:07:01 76.64 30.74 45.90 1694.50 8719.76 07:08:01 59.96 9.25 50.71 620.56 13812.50 07:09:01 22.61 0.35 22.26 33.72 1539.23 Average: 64.42 17.53 46.89 840.15 7498.28 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5856276 7378604 2311144 28.30 48872 1644416 713020 7.74 623248 1507356 148540 07:07:01 5597552 7403824 2569868 31.46 61004 1904600 823616 8.94 641824 1723928 177492 07:08:01 5353528 7401260 2813892 34.45 67388 2134428 674788 7.32 752160 1847148 27924 07:09:01 5328744 7379684 2838676 34.76 69364 2135640 700016 7.60 778376 1845716 10388 Average: 5534025 7390843 2633395 32.24 61657 1954771 727860 7.90 698902 1731037 91086 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 07:06:01 ens3 418.60 235.89 1375.48 61.55 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 07:07:01 ens3 120.41 100.23 939.95 21.32 0.00 0.00 0.00 0.00 07:08:01 lo 1.43 1.43 0.13 0.13 0.00 0.00 0.00 0.00 07:08:01 ens3 175.65 167.82 1470.63 689.12 0.00 0.00 0.00 0.00 07:09:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 07:09:01 ens3 14.71 17.72 12.51 17.24 0.00 0.00 0.00 0.00 Average: lo 1.12 1.12 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 182.33 130.41 949.56 197.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-5351) 07/09/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 22.87 0.00 1.64 2.88 0.83 71.77 07:06:01 0 19.47 0.00 1.64 0.74 0.84 77.31 07:06:01 1 5.60 0.00 1.12 9.32 0.45 83.50 07:06:01 2 46.28 0.00 2.55 0.40 1.37 49.39 07:06:01 3 20.15 0.00 1.22 1.05 0.67 76.92 07:07:01 all 26.97 0.00 1.55 1.91 1.46 68.11 07:07:01 0 42.49 0.00 2.39 1.25 1.54 52.32 07:07:01 1 16.45 0.00 1.00 4.82 1.27 76.46 07:07:01 2 30.63 0.00 1.41 0.27 1.86 65.83 07:07:01 3 18.33 0.00 1.42 1.32 1.15 77.78 07:08:01 all 34.07 0.00 1.70 1.45 2.07 60.70 07:08:01 0 50.22 0.00 2.16 0.90 2.39 44.34 07:08:01 1 25.46 0.00 1.42 0.22 1.77 71.14 07:08:01 2 34.71 0.00 1.90 0.13 2.41 60.85 07:08:01 3 25.86 0.00 1.30 4.55 1.76 66.53 07:09:01 all 20.47 0.00 0.91 0.72 0.72 77.18 07:09:01 0 19.09 0.00 0.68 0.08 0.55 79.59 07:09:01 1 24.19 0.00 1.35 0.18 0.67 73.61 07:09:01 2 19.82 0.00 0.78 0.12 1.04 78.24 07:09:01 3 18.77 0.00 0.84 2.52 0.58 77.29 Average: all 26.10 0.00 1.45 1.74 1.27 69.44 Average: 0 32.84 0.00 1.72 0.74 1.33 63.37 Average: 1 17.93 0.00 1.22 3.63 1.04 76.18 Average: 2 32.84 0.00 1.66 0.23 1.67 63.60 Average: 3 20.78 0.00 1.19 2.36 1.04 74.62