---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1338 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 2.0G 0 2.0G 0% /dev tmpfs 395M 664K 394M 1% /run /dev/vda1 20G 7.6G 12G 40% / tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 395M 0 395M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 3943 416 1379 0 2148 3265 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:a9:c8:07 brd ff:ff:ff:ff:ff:ff inet 10.32.7.14/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86117sec preferred_lft 86117sec inet6 fe80::f816:3eff:fea9:c807/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1338) 07/26/25 _x86_64_ (4 CPU) 07:04:49 LINUX RESTART (4 CPU) 07:05:01 tps rtps wtps bread/s bwrtn/s 07:06:01 113.59 48.60 64.99 3402.13 6277.02 07:07:01 77.00 29.96 47.04 1697.45 8314.88 07:08:01 63.22 8.42 54.81 488.05 7496.08 07:09:01 23.56 0.82 22.74 45.72 4807.86 Average: 69.35 21.95 47.40 1408.53 6723.83 07:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:06:01 1871220 3329524 2167424 53.67 38452 1582544 657844 12.93 571148 1438088 69408 07:07:01 1600136 3317616 2438508 60.38 57224 1807980 713348 14.02 599420 1651520 121156 07:08:01 1428648 3354292 2609996 64.63 62944 2005244 628976 12.36 670964 1738936 127028 07:09:01 1392312 3330456 2646332 65.53 65084 2015404 627936 12.34 704296 1742712 19640 Average: 1573079 3332972 2465565 61.05 55926 1852793 657026 12.92 636457 1642814 84308 07:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:06:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 07:06:01 ens3 224.67 163.09 1435.02 61.04 0.00 0.00 0.00 0.00 07:07:01 lo 1.53 1.53 0.14 0.14 0.00 0.00 0.00 0.00 07:07:01 ens3 70.55 41.08 426.60 16.46 0.00 0.00 0.00 0.00 07:08:01 lo 1.23 1.23 0.11 0.11 0.00 0.00 0.00 0.00 07:08:01 ens3 246.23 289.35 1250.35 632.43 0.00 0.00 0.00 0.00 07:09:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 07:09:01 ens3 20.68 19.59 25.94 14.00 0.00 0.00 0.00 0.00 Average: lo 1.09 1.09 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 140.54 128.28 784.53 180.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1338) 07/26/25 _x86_64_ (4 CPU) 07:04:49 LINUX RESTART (4 CPU) 07:05:01 CPU %user %nice %system %iowait %steal %idle 07:06:01 all 21.52 0.00 1.60 4.17 2.92 69.78 07:06:01 0 15.07 0.00 1.34 6.53 2.56 74.51 07:06:01 1 35.39 0.00 1.60 4.10 3.54 55.37 07:06:01 2 10.30 0.00 1.49 4.37 2.69 81.14 07:06:01 3 25.41 0.00 1.98 1.67 2.91 68.03 07:07:01 all 21.19 0.00 1.38 2.55 2.11 72.77 07:07:01 0 40.21 0.00 2.07 2.33 2.58 52.81 07:07:01 1 4.34 0.00 0.76 5.76 1.65 87.49 07:07:01 2 7.78 0.00 0.71 1.09 1.70 88.71 07:07:01 3 32.46 0.00 1.94 1.01 2.48 62.11 07:08:01 all 34.98 0.00 1.73 0.82 4.50 57.97 07:08:01 0 58.08 0.00 1.64 0.35 4.85 35.09 07:08:01 1 26.70 0.00 1.33 0.86 4.02 67.09 07:08:01 2 22.87 0.00 2.31 1.86 4.55 68.41 07:08:01 3 32.36 0.00 1.65 0.21 4.58 61.20 07:09:01 all 20.87 0.00 0.94 0.94 1.44 75.80 07:09:01 0 20.79 0.00 0.82 0.25 1.10 77.04 07:09:01 1 9.30 0.00 0.71 0.76 1.26 87.96 07:09:01 2 12.27 0.00 0.81 1.55 1.48 83.90 07:09:01 3 41.23 0.00 1.48 1.19 1.94 54.15 Average: all 24.65 0.00 1.41 2.12 2.75 69.07 Average: 0 33.55 0.00 1.47 2.37 2.77 59.84 Average: 1 18.94 0.00 1.10 2.87 2.62 74.47 Average: 2 13.31 0.00 1.33 2.22 2.61 80.53 Average: 3 32.86 0.00 1.76 1.02 2.98 61.38