---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-8308 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 467 5355 0 2152 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:aa:f4:9d brd ff:ff:ff:ff:ff:ff inet 10.32.7.8/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86128sec preferred_lft 86128sec inet6 fe80::f816:3eff:feaa:f49d/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-8308) 11/06/25 _x86_64_ (4 CPU) 07:04:57 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 169.54 85.04 84.50 4949.84 40781.75 07:07:01 73.49 20.40 53.09 1390.83 8693.88 07:08:01 75.65 18.03 57.62 802.13 7997.60 07:09:01 24.10 0.83 23.26 46.39 4834.39 Average: 85.69 31.07 54.62 1797.30 15576.91 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 5985336 7409220 2182076 26.72 36912 1567164 708128 7.68 593228 1427264 85700 07:07:01 5729716 7424964 2437696 29.85 57072 1802628 818588 8.88 594876 1650560 134724 07:08:01 5493496 7407172 2673916 32.74 62888 2009912 701048 7.61 727104 1743964 127324 07:09:01 5468564 7387368 2698848 33.04 65160 2012560 701496 7.61 754276 1740892 12108 Average: 5669278 7407181 2498134 30.59 55508 1848066 732315 7.95 667371 1640670 89964 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 ens3 443.49 233.51 1498.96 64.88 0.00 0.00 0.00 0.00 07:06:01 lo 1.57 1.57 0.15 0.15 0.00 0.00 0.00 0.00 07:07:01 ens3 80.10 47.39 462.81 15.12 0.00 0.00 0.00 0.00 07:07:01 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 07:08:01 ens3 236.66 271.57 1247.96 215.97 0.00 0.00 0.00 0.00 07:08:01 lo 1.50 1.50 0.13 0.13 0.00 0.00 0.00 0.00 07:09:01 ens3 44.19 50.47 27.58 439.68 0.00 0.00 0.00 0.00 07:09:01 lo 0.67 0.67 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 201.11 150.74 809.33 183.91 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-8308) 11/06/25 _x86_64_ (4 CPU) 07:04:57 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 22.22 0.00 2.65 5.46 1.23 68.44 07:06:01 0 27.89 0.00 2.54 1.80 1.08 66.68 07:06:01 1 31.70 0.00 2.27 7.94 1.32 56.78 07:06:01 2 9.18 0.00 3.69 7.89 1.33 77.91 07:06:01 3 20.12 0.00 2.09 4.21 1.17 72.41 07:07:01 all 20.54 0.00 1.34 1.85 0.99 75.27 07:07:01 0 2.52 0.00 0.33 0.75 0.25 96.15 07:07:01 1 28.28 0.00 1.68 1.05 1.53 67.47 07:07:01 2 13.69 0.00 1.53 5.08 1.02 78.68 07:07:01 3 37.67 0.00 1.82 0.53 1.17 58.81 07:08:01 all 37.13 0.00 1.78 1.46 2.18 57.45 07:08:01 0 28.20 0.00 2.05 1.41 1.88 66.46 07:08:01 1 55.63 0.00 1.58 1.18 2.64 38.97 07:08:01 2 36.34 0.00 2.26 2.01 2.21 57.17 07:08:01 3 28.37 0.00 1.21 1.23 1.98 67.21 07:09:01 all 21.08 0.00 0.94 0.70 0.83 76.45 07:09:01 0 43.15 0.00 1.67 0.18 1.17 53.83 07:09:01 1 3.84 0.00 0.33 0.05 0.68 95.09 07:09:01 2 33.24 0.00 0.98 0.22 1.18 64.38 07:09:01 3 4.15 0.00 0.78 2.35 0.30 92.43 Average: all 25.25 0.00 1.68 2.37 1.31 69.40 Average: 0 25.44 0.00 1.65 1.04 1.10 70.78 Average: 1 29.86 0.00 1.46 2.55 1.54 64.59 Average: 2 23.12 0.00 2.12 3.80 1.44 69.53 Average: 3 22.58 0.00 1.47 2.08 1.15 72.72