---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-9930 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 7.7G 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 470 5198 0 2306 7223 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:55:dd:2c brd ff:ff:ff:ff:ff:ff inet 10.32.7.224/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86124sec preferred_lft 86124sec inet6 fe80::f816:3eff:fe55:dd2c/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-9930) 03/28/26 _x86_64_ (4 CPU) 08:12:54 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:01 144.56 59.16 85.40 3694.85 40518.86 08:15:01 86.25 29.73 56.52 1657.32 9688.52 08:16:01 82.47 9.87 72.60 658.56 12988.90 08:17:01 26.58 0.77 25.81 86.39 3749.78 Average: 84.97 24.88 60.09 1524.28 16736.51 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:01 5955292 7376624 2212128 27.08 37208 1564180 736200 7.99 623688 1425348 86668 08:15:01 5646700 7341080 2520720 30.86 57220 1801396 781060 8.48 698208 1627472 101368 08:16:01 5408432 7466576 2758988 33.78 65144 2147152 605816 6.57 642168 1902164 66268 08:17:01 5314072 7384276 2853348 34.94 68116 2156044 709904 7.70 733544 1903928 10120 Average: 5581124 7392139 2586296 31.67 56922 1917193 708245 7.68 674402 1714728 66106 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:01 ens3 392.65 226.98 1436.58 65.66 0.00 0.00 0.00 0.00 08:14:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 08:15:01 ens3 70.54 60.51 449.54 15.04 0.00 0.00 0.00 0.00 08:15:01 lo 1.40 1.40 0.13 0.13 0.00 0.00 0.00 0.00 08:16:01 ens3 517.06 519.26 4367.49 86.74 0.00 0.00 0.00 0.00 08:16:01 lo 1.30 1.30 0.18 0.18 0.00 0.00 0.00 0.00 08:17:01 ens3 13.58 14.33 11.20 6.87 0.00 0.00 0.00 0.00 08:17:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 248.46 205.27 1566.20 43.58 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 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-9930) 03/28/26 _x86_64_ (4 CPU) 08:12:54 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:01 all 22.89 0.00 2.91 4.51 1.42 68.28 08:14:01 0 13.18 0.00 1.48 4.37 1.16 79.80 08:14:01 1 23.24 0.00 3.52 7.27 1.38 64.59 08:14:01 2 9.90 0.00 1.46 1.50 1.15 85.99 08:14:01 3 45.33 0.00 5.18 4.89 1.97 42.64 08:15:01 all 25.07 0.00 1.70 2.07 1.36 69.80 08:15:01 0 18.63 0.00 1.59 1.03 1.31 77.43 08:15:01 1 56.15 0.00 3.20 1.57 1.92 37.16 08:15:01 2 13.22 0.00 0.70 1.46 1.31 83.31 08:15:01 3 12.37 0.00 1.27 4.25 0.90 81.22 08:16:01 all 44.41 0.00 2.31 1.34 3.77 48.18 08:16:01 0 43.63 0.00 1.77 2.12 3.28 49.21 08:16:01 1 45.00 0.00 1.84 0.74 3.66 48.76 08:16:01 2 40.18 0.00 2.02 0.66 3.67 53.48 08:16:01 3 48.81 0.00 3.64 1.82 4.48 41.25 08:17:01 all 20.26 0.00 1.01 1.32 1.32 76.10 08:17:01 0 0.70 0.00 0.30 0.00 0.28 98.72 08:17:01 1 60.22 0.00 1.72 1.52 2.60 33.94 08:17:01 2 4.61 0.00 0.59 3.66 1.53 89.61 08:17:01 3 15.43 0.00 1.40 0.10 0.83 82.24 Average: all 28.17 0.00 1.98 2.31 1.97 65.58 Average: 0 19.06 0.00 1.29 1.88 1.51 76.26 Average: 1 46.18 0.00 2.57 2.77 2.39 46.09 Average: 2 16.98 0.00 1.19 1.82 1.92 78.09 Average: 3 30.50 0.00 2.87 2.76 2.05 61.83