---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36431 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: 5600.00 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 718 8822 4 6448 14928 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:b4:d5:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.107/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84096sec preferred_lft 84096sec inet6 fe80::f816:3eff:feb4:d50b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:d5:aa:8e:4d:6a 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-36431) 07/16/26 _x86_64_ (4 CPU) 13:06:25 LINUX RESTART (4 CPU) 13:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:01 30.75 3.03 24.77 2.95 164.82 3919.23 6171.48 13:30:10 23.61 0.02 21.08 2.51 0.24 2033.89 13143.61 13:40:09 18.24 0.03 16.86 1.35 0.39 6561.99 5982.55 Average: 24.17 1.01 20.89 2.27 54.40 4161.32 8467.03 13:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:01 10101484 13622784 2335768 14.27 136652 3508812 2487512 14.28 655896 5219260 11608 13:30:10 9017624 13052816 2902700 17.73 154868 3966396 3011668 17.29 772840 6153772 139824 13:40:09 6994256 13227932 2719776 16.61 181660 6063828 2772092 15.91 1556820 7314208 522632 Average: 8704455 13301177 2652748 16.20 157727 4513012 2757091 15.83 995185 6229080 224688 13:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:01 lo 1636.58 1636.58 1554.02 1554.02 0.00 0.00 0.00 0.00 13:20:01 ens3 128.18 97.48 949.25 19.31 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:10 lo 1122.08 1122.08 1068.90 1068.90 0.00 0.00 0.00 0.00 13:30:10 ens3 34.55 27.90 25.01 9.66 0.00 0.00 0.00 0.00 13:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:09 lo 745.07 745.07 7223.36 7223.36 0.00 0.00 0.00 0.00 13:40:09 ens3 36.31 30.22 112.84 9.03 0.00 0.00 0.00 0.00 13:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1165.74 1165.74 3277.39 3277.39 0.00 0.00 0.00 0.00 Average: ens3 65.92 51.55 358.15 12.63 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-36431) 07/16/26 _x86_64_ (4 CPU) 13:06:25 LINUX RESTART (4 CPU) 13:10:10 CPU %user %nice %system %iowait %steal %idle 13:20:01 all 64.85 0.00 2.57 0.69 0.14 31.75 13:20:01 0 64.26 0.00 2.28 1.05 0.14 32.26 13:20:01 1 65.11 0.00 3.11 0.39 0.14 31.25 13:20:01 2 63.76 0.00 2.71 0.91 0.14 32.48 13:20:01 3 66.26 0.00 2.19 0.42 0.14 30.98 13:30:10 all 67.19 0.00 2.36 0.13 0.15 30.17 13:30:10 0 65.53 0.00 2.20 0.09 0.16 32.02 13:30:10 1 69.25 0.00 2.46 0.16 0.15 27.97 13:30:10 2 68.44 0.00 2.26 0.09 0.15 29.06 13:30:10 3 65.54 0.00 2.51 0.18 0.15 31.62 13:40:09 all 43.76 0.00 1.67 0.36 0.29 53.92 13:40:09 0 41.11 0.00 1.57 0.21 0.29 56.81 13:40:09 1 39.76 0.00 1.64 0.15 0.30 58.15 13:40:09 2 41.40 0.00 1.66 0.72 0.34 55.89 13:40:09 3 52.81 0.00 1.80 0.37 0.22 44.80 Average: all 58.61 0.00 2.20 0.39 0.19 38.60 Average: 0 56.97 0.00 2.02 0.45 0.20 40.36 Average: 1 58.05 0.00 2.40 0.23 0.20 39.11 Average: 2 57.87 0.00 2.21 0.57 0.21 39.14 Average: 3 61.55 0.00 2.17 0.32 0.17 35.79