---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21590 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 12G 66G 16% / 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 650 9080 4 6258 14996 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:f5:32:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84500sec preferred_lft 84500sec inet6 fe80::f816:3eff:fef5:327b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:43:45:14:cd:fc 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-21590) 05/30/26 _x86_64_ (4 CPU) 17:29:20 LINUX RESTART (4 CPU) 17:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:01 45.20 4.46 39.49 1.26 255.61 4870.72 2302.36 17:50:01 5.80 0.18 5.29 0.33 5.11 2565.03 1895.61 18:00:01 16.59 0.37 15.25 0.97 66.71 7487.00 2082.37 Average: 22.53 1.67 20.01 0.85 109.14 4974.25 2093.45 17:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:01 10052016 13251692 2710028 16.55 122504 3221956 3003676 17.24 581700 5363816 10468 17:50:01 8610972 12558800 3398104 20.75 134952 3921124 3519564 20.20 861848 6474040 268 18:00:01 7932268 14072196 1876320 11.46 161640 5992780 2306088 13.24 1723796 6191520 73356 Average: 8865085 13294229 2661484 16.26 139699 4378620 2943109 16.89 1055781 6009792 28031 17:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:01 lo 9.00 9.00 1.34 1.34 0.00 0.00 0.00 0.00 17:40:01 ens3 98.61 79.57 728.56 62.30 0.00 0.00 0.00 0.00 17:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 lo 12.48 12.48 5.66 5.66 0.00 0.00 0.00 0.00 17:50:01 ens3 48.05 43.80 29.40 408.57 0.00 0.00 0.00 0.00 17:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:01 lo 2575.24 2575.24 9292.33 9292.33 0.00 0.00 0.00 0.00 18:00:01 ens3 95.52 88.87 535.24 732.30 0.00 0.00 0.00 0.00 18:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 865.57 865.57 3099.78 3099.78 0.00 0.00 0.00 0.00 Average: ens3 80.73 70.75 431.07 401.06 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-21590) 05/30/26 _x86_64_ (4 CPU) 17:29:20 LINUX RESTART (4 CPU) 17:30:01 CPU %user %nice %system %iowait %steal %idle 17:40:01 all 51.52 0.00 1.65 0.30 0.08 46.45 17:40:01 0 50.28 0.00 1.43 0.08 0.08 48.13 17:40:01 1 51.13 0.00 1.48 0.09 0.08 47.23 17:40:01 2 53.60 0.00 2.11 0.91 0.08 43.30 17:40:01 3 51.09 0.00 1.58 0.11 0.08 47.14 17:50:01 all 41.75 0.00 1.37 0.04 0.08 56.77 17:50:01 0 39.90 0.00 1.39 0.05 0.08 58.58 17:50:01 1 41.47 0.00 1.31 0.02 0.08 57.12 17:50:01 2 42.56 0.00 1.33 0.05 0.08 55.99 17:50:01 3 43.05 0.00 1.44 0.06 0.07 55.38 18:00:01 all 38.35 0.00 1.51 0.09 0.08 59.97 18:00:01 0 34.41 0.00 1.63 0.10 0.08 63.79 18:00:01 1 37.91 0.00 1.43 0.17 0.08 60.40 18:00:01 2 40.98 0.00 1.47 0.05 0.08 57.42 18:00:01 3 40.09 0.00 1.51 0.04 0.08 58.27 Average: all 43.87 0.00 1.51 0.14 0.08 54.40 Average: 0 41.52 0.00 1.48 0.08 0.08 56.84 Average: 1 43.50 0.00 1.41 0.09 0.08 54.92 Average: 2 45.71 0.00 1.64 0.34 0.08 52.24 Average: 3 44.74 0.00 1.51 0.07 0.08 53.60