---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1702 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 479 5332 0 2163 7215 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:16:ec:7d brd ff:ff:ff:ff:ff:ff inet 10.32.7.117/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86124sec preferred_lft 86124sec inet6 fe80::f816:3eff:fe16:ec7d/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-1702) 05/24/26 _x86_64_ (4 CPU) 19:12:53 LINUX RESTART (4 CPU) 19:13:01 tps rtps wtps bread/s bwrtn/s 19:14:02 141.07 54.79 86.28 3590.47 40877.55 19:15:01 67.95 12.40 55.55 297.03 9924.56 19:16:01 72.82 9.00 63.82 482.32 8638.83 19:17:01 24.49 0.47 24.02 39.58 4509.35 Average: 76.62 19.20 57.43 1106.05 16016.13 19:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:14:02 5969312 7401084 2198108 26.91 37376 1574064 697712 7.57 600736 1432420 85640 19:15:01 5659464 7385992 2507956 30.71 58468 1829200 833104 9.04 628928 1676460 156580 19:16:01 5474168 7396468 2693252 32.98 64176 2014456 685408 7.44 699644 1780644 115364 19:17:01 5480972 7407912 2686448 32.89 66352 2016660 673660 7.31 698088 1775172 10528 Average: 5645979 7397864 2521441 30.87 56593 1858595 722471 7.84 656849 1666174 92028 19:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:14:02 ens3 468.56 251.69 1527.51 68.22 0.00 0.00 0.00 0.00 19:14:02 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 19:15:01 ens3 77.94 63.40 531.44 15.20 0.00 0.00 0.00 0.00 19:15:01 lo 1.42 1.42 0.13 0.13 0.00 0.00 0.00 0.00 19:16:01 ens3 242.83 255.91 1236.41 45.75 0.00 0.00 0.00 0.00 19:16:01 lo 0.63 0.63 0.06 0.06 0.00 0.00 0.00 0.00 19:17:01 ens3 64.87 63.20 37.51 530.77 0.00 0.00 0.00 0.00 19:17:01 lo 1.80 1.80 0.16 0.16 0.00 0.00 0.00 0.00 Average: ens3 214.14 158.95 834.53 165.63 0.00 0.00 0.00 0.00 Average: lo 1.16 1.16 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-1702) 05/24/26 _x86_64_ (4 CPU) 19:12:53 LINUX RESTART (4 CPU) 19:13:01 CPU %user %nice %system %iowait %steal %idle 19:14:02 all 23.15 0.00 2.74 4.28 1.19 68.64 19:14:02 0 14.53 0.00 2.15 6.25 0.90 76.18 19:14:02 1 37.42 0.00 2.74 3.21 1.54 55.08 19:14:02 2 13.16 0.00 1.65 6.39 1.07 77.73 19:14:02 3 27.51 0.00 4.41 1.30 1.24 65.55 19:15:01 all 22.24 0.00 1.42 1.53 1.04 73.77 19:15:01 0 3.81 0.00 0.49 0.32 0.27 95.11 19:15:01 1 28.32 0.00 1.83 0.64 1.27 67.94 19:15:01 2 16.39 0.00 1.12 4.55 1.09 76.86 19:15:01 3 40.41 0.00 2.23 0.59 1.54 55.22 19:16:01 all 39.63 0.00 1.74 1.62 2.61 54.40 19:16:01 0 35.28 0.00 1.96 0.35 2.79 59.61 19:16:01 1 33.32 0.00 1.15 2.36 2.15 61.03 19:16:01 2 60.72 0.00 1.81 1.11 2.78 33.57 19:16:01 3 29.19 0.00 2.06 2.64 2.74 63.36 19:17:01 all 20.78 0.00 1.11 0.68 0.89 76.54 19:17:01 0 14.08 0.00 0.78 0.07 0.95 84.13 19:17:01 1 2.98 0.00 0.60 0.65 0.37 95.41 19:17:01 2 56.28 0.00 1.85 0.12 1.60 40.15 19:17:01 3 9.86 0.00 1.18 1.88 0.63 86.45 Average: all 26.47 0.00 1.75 2.03 1.44 68.31 Average: 0 16.98 0.00 1.35 1.75 1.23 78.69 Average: 1 25.48 0.00 1.58 1.72 1.33 69.89 Average: 2 36.75 0.00 1.61 3.03 1.64 56.97 Average: 3 26.69 0.00 2.47 1.61 1.54 67.70