---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16755 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 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 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 13G 65G 17% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 671 8283 4 7033 14974 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:7b:6d:a7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84168sec preferred_lft 84168sec inet6 fe80::f816:3eff:fe7b:6da7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:8f:6a:1b:30:3c brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-16755) 05/19/26 _x86_64_ (4 CPU) 08:38:01 LINUX RESTART (4 CPU) 08:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:01 36.25 3.04 29.92 3.29 164.46 4841.10 7339.00 09:00:20 29.74 0.02 26.63 3.09 0.23 2367.07 22526.20 09:10:00 11.80 0.03 10.77 0.99 0.73 3524.61 9478.79 Average: 26.13 1.03 22.62 2.48 55.20 3565.71 13253.58 08:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:01 10006292 13584264 2373856 14.50 139392 3565184 2793140 16.03 707888 5271408 24228 09:00:20 8843152 12862200 3092104 18.89 160048 3951872 3137184 18.01 826916 6272400 42132 09:10:00 6751108 12782600 3165500 19.33 171312 5883984 3193056 18.33 1508624 7585652 1203408 Average: 8533517 13076355 2877153 17.57 156917 4467013 3041127 17.46 1014476 6376487 423256 08:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:01 lo 1495.66 1495.66 1419.32 1419.32 0.00 0.00 0.00 0.00 08:50:01 ens3 134.43 103.01 1062.78 20.77 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:20 lo 1268.37 1268.37 1208.41 1208.41 0.00 0.00 0.00 0.00 09:00:20 ens3 40.40 31.11 26.50 11.12 0.00 0.00 0.00 0.00 09:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:00 lo 2982.05 2982.05 9931.74 9931.74 0.00 0.00 0.00 0.00 09:10:00 ens3 27.33 21.64 103.01 6.42 0.00 0.00 0.00 0.00 09:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1896.43 1896.43 4089.74 4089.74 0.00 0.00 0.00 0.00 Average: ens3 67.57 52.05 396.98 12.82 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-16755) 05/19/26 _x86_64_ (4 CPU) 08:38:01 LINUX RESTART (4 CPU) 08:40:00 CPU %user %nice %system %iowait %steal %idle 08:50:01 all 62.88 0.00 2.59 0.15 0.09 34.29 08:50:01 0 63.59 0.00 2.38 0.09 0.09 33.86 08:50:01 1 62.56 0.00 2.51 0.19 0.09 34.65 08:50:01 2 62.70 0.00 2.94 0.25 0.09 34.02 08:50:01 3 62.66 0.00 2.53 0.09 0.09 34.62 09:00:20 all 64.79 0.00 2.36 0.42 0.10 32.34 09:00:20 0 64.02 0.00 2.45 0.55 0.10 32.89 09:00:20 1 65.77 0.00 2.13 0.18 0.11 31.81 09:00:20 2 64.88 0.00 2.28 0.21 0.10 32.54 09:00:20 3 64.47 0.00 2.58 0.74 0.10 32.11 09:10:00 all 42.88 0.00 1.74 0.22 0.08 55.06 09:10:00 0 41.72 0.00 1.58 0.41 0.08 56.22 09:10:00 1 35.73 0.00 1.70 0.31 0.09 62.17 09:10:00 2 46.44 0.00 1.68 0.09 0.08 51.71 09:10:00 3 47.65 0.00 2.02 0.09 0.09 50.16 Average: all 57.08 0.00 2.24 0.27 0.09 40.32 Average: 0 56.68 0.00 2.14 0.35 0.09 40.74 Average: 1 55.00 0.00 2.12 0.23 0.10 42.56 Average: 2 58.20 0.00 2.31 0.18 0.09 39.22 Average: 3 58.44 0.00 2.38 0.31 0.09 38.77