---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1189 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: 5599.94 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 18G 138G 12% / 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 778 19576 4 11736 30845 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:9b:64:0d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.220/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84205sec preferred_lft 84205sec inet6 fe80::f816:3eff:fe9b:640d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:92:42:63:cf:d7 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1189) 03/11/26 _x86_64_ (8 CPU) 11:50:50 LINUX RESTART (8 CPU) 12:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:31 14.32 0.66 12.83 0.84 19.98 3837.97 2432.09 12:20:31 107.24 0.08 104.81 2.35 1.43 7366.23 126834.56 Average: 59.65 0.37 57.70 1.58 10.93 5559.13 63118.20 12:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:31 22488872 26906916 5394596 16.42 172524 4432524 8785448 25.91 807092 9068640 856 12:20:31 21279896 27886620 4397820 13.38 270784 6295100 3779580 11.15 1151072 9667892 202420 Average: 21884384 27396768 4896208 14.90 221654 5363812 6282514 18.53 979082 9368266 101638 12:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:31 lo 7.39 7.39 1.89 1.89 0.00 0.00 0.00 0.00 12:10:31 ens3 134.35 76.83 334.92 33.41 0.00 0.00 0.00 0.00 12:10:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:31 lo 0.35 0.35 0.03 0.03 0.00 0.00 0.00 0.00 12:20:31 ens3 70.72 44.60 343.74 11.29 0.00 0.00 0.00 0.00 12:20:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.96 3.96 0.99 0.99 0.00 0.00 0.00 0.00 Average: ens3 103.31 61.11 339.22 22.62 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1189) 03/11/26 _x86_64_ (8 CPU) 11:50:50 LINUX RESTART (8 CPU) 12:00:01 CPU %user %nice %system %iowait %steal %idle 12:10:31 all 70.31 0.00 2.07 0.02 0.11 27.49 12:10:31 0 71.16 0.00 2.27 0.01 0.11 26.46 12:10:31 1 69.82 0.00 1.91 0.00 0.10 28.17 12:10:31 2 70.41 0.00 2.02 0.03 0.11 27.43 12:10:31 3 69.21 0.00 2.12 0.01 0.11 28.55 12:10:31 4 72.34 0.00 2.09 0.09 0.11 25.38 12:10:31 5 71.25 0.00 2.00 0.00 0.11 26.64 12:10:31 6 69.05 0.00 2.14 0.04 0.10 28.67 12:10:31 7 69.20 0.00 2.02 0.00 0.10 28.66 12:20:31 all 83.70 0.00 3.01 0.10 0.09 13.09 12:20:31 0 83.19 0.00 3.14 0.06 0.09 13.51 12:20:31 1 83.86 0.00 2.84 0.07 0.10 13.12 12:20:31 2 83.92 0.00 2.96 0.13 0.09 12.90 12:20:31 3 84.33 0.00 3.11 0.14 0.09 12.33 12:20:31 4 83.84 0.00 2.74 0.08 0.10 13.25 12:20:31 5 83.23 0.00 3.55 0.14 0.08 13.00 12:20:31 6 83.52 0.00 2.61 0.14 0.10 13.63 12:20:31 7 83.75 0.00 3.12 0.06 0.09 12.99 Average: all 76.84 0.00 2.53 0.06 0.10 20.47 Average: 0 77.03 0.00 2.69 0.04 0.10 20.14 Average: 1 76.67 0.00 2.36 0.04 0.10 20.83 Average: 2 77.00 0.00 2.48 0.08 0.10 20.34 Average: 3 76.58 0.00 2.60 0.07 0.10 20.64 Average: 4 77.95 0.00 2.41 0.08 0.10 19.46 Average: 5 77.09 0.00 2.76 0.07 0.09 19.99 Average: 6 76.11 0.00 2.37 0.09 0.10 21.33 Average: 7 76.30 0.00 2.56 0.03 0.10 21.02