---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2578 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 464 5356 0 2154 7232 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:2c:4d:8b brd ff:ff:ff:ff:ff:ff inet 10.32.6.62/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86120sec preferred_lft 86120sec inet6 fe80::f816:3eff:fe2c:4d8b/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-2578) 01/06/26 _x86_64_ (4 CPU) 07:04:46 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 106.55 39.88 66.67 2013.53 6348.01 07:07:01 81.59 29.96 51.62 1685.99 8542.71 07:08:01 59.81 9.21 50.60 513.30 6937.29 07:09:01 22.86 0.35 22.51 33.73 4754.94 Average: 67.70 19.85 47.85 1061.61 6645.75 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5903196 7372156 2264224 27.72 39420 1607216 741616 8.05 641312 1454924 97652 07:07:01 5604004 7316736 2563416 31.39 58640 1817068 792104 8.59 706652 1658908 106820 07:08:01 5555008 7470676 2612412 31.99 63212 2010916 625112 6.78 664864 1740916 126712 07:09:01 5537884 7456788 2629536 32.20 65332 2012072 623368 6.76 684648 1738828 10708 Average: 5650023 7404089 2517397 30.82 56651 1861818 695550 7.55 674369 1648394 85473 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 368.91 210.55 1465.43 64.99 0.00 0.00 0.00 0.00 07:06:01 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 07:07:01 ens3 107.88 84.84 485.27 22.54 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 07:08:01 ens3 223.53 254.58 1210.59 630.44 0.00 0.00 0.00 0.00 07:08:01 lo 1.30 1.30 0.12 0.12 0.00 0.00 0.00 0.00 07:09:01 ens3 11.95 12.55 9.26 6.03 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 Average: ens3 178.07 140.63 792.65 181.02 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 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2578) 01/06/26 _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 23.27 0.00 1.75 4.04 1.89 69.05 07:06:01 0 41.13 0.00 2.92 4.62 2.54 48.79 07:06:01 1 17.62 0.00 1.18 1.21 1.69 78.30 07:06:01 2 18.34 0.00 1.42 5.60 2.09 72.55 07:06:01 3 15.96 0.00 1.46 4.74 1.25 76.59 07:07:01 all 24.81 0.00 1.45 2.59 1.98 69.17 07:07:01 0 34.93 0.00 1.79 1.21 2.02 60.05 07:07:01 1 14.84 0.00 1.16 2.15 2.13 79.72 07:07:01 2 25.70 0.00 1.34 6.25 2.10 64.61 07:07:01 3 23.79 0.00 1.50 0.75 1.68 72.29 07:08:01 all 32.48 0.00 1.85 1.56 2.82 61.29 07:08:01 0 27.02 0.00 1.62 1.57 2.26 67.53 07:08:01 1 26.37 0.00 1.56 1.66 2.37 68.03 07:08:01 2 29.53 0.00 2.43 2.36 3.34 62.34 07:08:01 3 46.95 0.00 1.82 0.68 3.28 47.27 07:09:01 all 20.64 0.00 0.92 1.20 1.05 76.18 07:09:01 0 3.61 0.00 0.55 0.92 0.45 94.47 07:09:01 1 14.24 0.00 0.70 0.15 0.70 84.22 07:09:01 2 8.46 0.00 0.91 3.17 0.98 86.48 07:09:01 3 56.18 0.00 1.53 0.55 2.09 39.66 Average: all 25.30 0.00 1.49 2.35 1.94 68.92 Average: 0 26.70 0.00 1.72 2.08 1.82 67.68 Average: 1 18.26 0.00 1.15 1.29 1.72 77.57 Average: 2 20.52 0.00 1.53 4.34 2.13 71.48 Average: 3 35.74 0.00 1.58 1.68 2.08 58.93