---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-5603 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 23G 133G 15% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 839 14687 4 16565 30784 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:b4:6a:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.20/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84935sec preferred_lft 84935sec inet6 fe80::f816:3eff:feb4:6a0b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:c5:04:be:66:eb 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 inet6 fe80::64c5:4ff:febe:66eb/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-5603) 04/24/26 _x86_64_ (8 CPU) 13:26:22 LINUX RESTART (8 CPU) 13:30:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:00 50.30 1.11 47.09 2.11 68.48 22125.59 30973.86 13:50:06 338.76 0.41 301.53 36.82 6.87 39391.98 473694.06 Average: 196.10 0.75 175.69 19.65 37.34 30852.60 254739.41 13:30:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:00 22091856 29869352 2419336 7.36 197624 7639848 2502084 7.38 2450736 7636640 171436 13:50:06 13270964 29744136 2465816 7.50 570296 15134928 2519616 7.43 5064668 12980016 33708 Average: 17681410 29806744 2442576 7.43 383960 11387388 2510850 7.40 3757702 10308328 102572 13:30:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:00 lo 1.91 1.91 1.01 1.01 0.00 0.00 0.00 0.00 13:40:00 ens3 76.32 61.29 1011.97 12.35 0.00 0.00 0.00 0.00 13:40:00 docker0 5.40 7.21 0.57 158.87 0.00 0.00 0.00 0.00 13:40:00 veth15d2e1a 1.99 2.81 0.28 64.33 0.00 0.00 0.00 0.01 13:50:06 lo 1.08 1.08 0.24 0.24 0.00 0.00 0.00 0.00 13:50:06 ens3 138.25 104.09 1944.95 15.65 0.00 0.00 0.00 0.00 13:50:06 docker0 13.18 19.77 2.28 174.03 0.00 0.00 0.00 0.00 Average: lo 1.49 1.49 0.62 0.62 0.00 0.00 0.00 0.00 Average: ens3 107.62 82.92 1483.53 14.02 0.00 0.00 0.00 0.00 Average: docker0 9.33 13.55 1.43 166.53 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-5603) 04/24/26 _x86_64_ (8 CPU) 13:26:22 LINUX RESTART (8 CPU) 13:30:06 CPU %user %nice %system %iowait %steal %idle 13:40:00 all 33.07 0.00 1.60 0.24 0.07 65.02 13:40:00 0 31.41 0.00 1.68 0.30 0.07 66.54 13:40:00 1 30.51 0.00 1.44 0.38 0.07 67.61 13:40:00 2 32.49 0.00 1.47 0.22 0.07 65.75 13:40:00 3 36.75 0.00 1.68 0.33 0.07 61.17 13:40:00 4 32.84 0.00 1.14 0.05 0.06 65.91 13:40:00 5 33.91 0.00 1.61 0.14 0.07 64.28 13:40:00 6 34.86 0.00 2.11 0.36 0.07 62.60 13:40:00 7 31.83 0.00 1.69 0.14 0.06 66.28 13:50:06 all 15.77 0.00 3.10 0.37 0.08 80.69 13:50:06 0 17.16 0.00 3.07 0.23 0.07 79.47 13:50:06 1 20.99 0.00 3.19 0.41 0.07 75.33 13:50:06 2 13.10 0.00 2.65 0.28 0.07 83.89 13:50:06 3 14.73 0.00 2.98 0.24 0.07 81.99 13:50:06 4 17.85 0.00 3.41 0.29 0.07 78.38 13:50:06 5 18.40 0.00 3.93 0.51 0.07 77.09 13:50:06 6 10.94 0.00 2.42 0.36 0.12 86.15 13:50:06 7 12.97 0.00 3.16 0.61 0.07 83.19 Average: all 24.34 0.00 2.36 0.30 0.07 72.92 Average: 0 24.22 0.00 2.38 0.27 0.07 73.06 Average: 1 25.71 0.00 2.32 0.39 0.07 71.50 Average: 2 22.70 0.00 2.07 0.25 0.07 74.91 Average: 3 25.63 0.00 2.33 0.28 0.07 71.68 Average: 4 25.28 0.00 2.29 0.17 0.07 72.19 Average: 5 26.09 0.00 2.78 0.33 0.07 70.74 Average: 6 22.78 0.00 2.27 0.36 0.10 74.49 Average: 7 22.31 0.00 2.44 0.38 0.07 74.81