---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21617 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 67G 15% / 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 766 9353 4 5870 14880 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:02:9a:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83960sec preferred_lft 83960sec inet6 fe80::f816:3eff:fe02:9a98/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:78:9c:4c:90:69 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-21617) 05/30/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:07 28.59 14.21 13.28 1.11 267.93 4161.20 3183.92 20:50:07 75.99 0.31 49.51 26.17 9.55 4021.65 353625.98 21:00:07 34.76 0.29 29.05 5.42 11.72 4943.04 11863.72 Average: 46.45 4.94 30.61 10.90 96.40 4375.30 122891.20 20:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:07 8744868 12635580 3318604 20.27 175108 3770320 3558844 20.43 698700 6468768 178928 20:50:07 8828388 13298964 2650092 16.19 206984 4274920 2941588 16.88 862020 6179156 18748 21:00:07 9721376 15365156 579180 3.54 243184 5349860 1112684 6.39 1246456 4801980 156 Average: 9098211 13766567 2182625 13.33 208425 4465033 2537705 14.57 935725 5816635 65944 20:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:07 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 20:40:07 ens3 107.62 85.87 565.51 22.86 0.00 0.00 0.00 0.00 20:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:07 lo 5784.64 5784.64 5516.82 5516.82 0.00 0.00 0.00 0.00 20:50:07 ens3 86.80 64.70 266.33 20.97 0.00 0.00 0.00 0.00 20:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:07 lo 2646.19 2646.19 2513.46 2513.46 0.00 0.00 0.00 0.00 21:00:07 ens3 91.86 82.14 109.41 119.43 0.00 0.00 0.00 0.00 21:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2810.73 2810.73 2676.81 2676.81 0.00 0.00 0.00 0.00 Average: ens3 95.43 77.57 313.75 54.42 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-21617) 05/30/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:07 CPU %user %nice %system %iowait %steal %idle 20:40:07 all 69.80 0.07 2.40 0.09 0.10 27.54 20:40:07 0 69.74 0.01 2.18 0.04 0.10 27.93 20:40:07 1 68.05 0.20 2.20 0.19 0.10 29.25 20:40:07 2 71.89 0.01 3.12 0.08 0.10 24.80 20:40:07 3 69.51 0.07 2.08 0.07 0.10 28.18 20:50:07 all 61.74 0.00 4.23 0.44 0.10 33.49 20:50:07 0 60.06 0.00 4.12 0.69 0.10 35.03 20:50:07 1 62.10 0.00 4.26 0.40 0.10 33.13 20:50:07 2 61.40 0.00 4.27 0.33 0.11 33.89 20:50:07 3 63.41 0.00 4.25 0.32 0.10 31.92 21:00:07 all 49.87 0.00 2.81 0.09 0.09 47.13 21:00:07 0 51.84 0.00 2.70 0.05 0.10 45.32 21:00:07 1 49.13 0.00 2.79 0.15 0.09 47.84 21:00:07 2 52.13 0.00 3.04 0.09 0.09 44.64 21:00:07 3 46.40 0.00 2.71 0.08 0.09 50.72 Average: all 60.47 0.02 3.14 0.21 0.10 36.06 Average: 0 60.54 0.00 3.00 0.26 0.10 36.10 Average: 1 59.76 0.07 3.08 0.25 0.10 36.74 Average: 2 61.81 0.00 3.48 0.17 0.10 34.44 Average: 3 59.76 0.02 3.01 0.16 0.10 36.96