---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-8429 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 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 759 20175 4 11157 30865 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:2e:39:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.134/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84708sec preferred_lft 84708sec inet6 fe80::f816:3eff:fe2e:39b0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:66:89:3d:43:e1 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-8429) 05/05/26 _x86_64_ (8 CPU) 18:14:42 LINUX RESTART (8 CPU) 18:20:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:30:19 23.57 0.89 21.52 1.15 23.88 5138.41 2300.54 18:40:20 10.31 0.05 8.99 1.27 5.87 1572.24 815.32 Average: 16.95 0.47 15.27 1.21 14.89 3358.91 1559.42 18:20:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:30:19 15436324 24111440 8135104 24.75 468304 7754408 11057152 32.61 1475860 14736140 5708 18:40:20 14989440 24090356 8151800 24.81 475864 8143920 13364160 39.41 1558580 15069348 7168 Average: 15212882 24100898 8143452 24.78 472084 7949164 12210656 36.01 1517220 14902744 6438 18:20:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:30:19 lo 5.40 5.40 1.69 1.69 0.00 0.00 0.00 0.00 18:30:19 ens3 241.28 150.24 463.39 62.46 0.00 0.00 0.00 0.00 18:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:20 lo 2.73 2.73 0.31 0.31 0.00 0.00 0.00 0.00 18:40:20 ens3 147.15 82.57 115.26 40.38 0.00 0.00 0.00 0.00 18:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.07 4.07 1.01 1.01 0.00 0.00 0.00 0.00 Average: ens3 194.31 116.47 289.68 51.44 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-8429) 05/05/26 _x86_64_ (8 CPU) 18:14:42 LINUX RESTART (8 CPU) 18:20:15 CPU %user %nice %system %iowait %steal %idle 18:30:19 all 85.13 0.00 2.89 0.01 0.10 11.86 18:30:19 0 84.16 0.00 3.00 0.02 0.10 12.72 18:30:19 1 87.86 0.00 2.96 0.06 0.09 9.03 18:30:19 2 87.44 0.00 2.88 0.00 0.10 9.58 18:30:19 3 84.41 0.00 2.91 0.00 0.10 12.58 18:30:19 4 84.02 0.00 2.66 0.01 0.10 13.21 18:30:19 5 84.40 0.00 2.85 0.01 0.10 12.64 18:30:19 6 85.76 0.00 2.92 0.00 0.10 11.21 18:30:19 7 83.01 0.00 2.94 0.02 0.10 13.94 18:40:20 all 96.88 0.00 2.96 0.00 0.11 0.04 18:40:20 0 96.90 0.00 2.92 0.00 0.12 0.06 18:40:20 1 96.49 0.00 3.38 0.00 0.10 0.04 18:40:20 2 96.88 0.00 2.95 0.00 0.11 0.05 18:40:20 3 96.84 0.00 3.02 0.00 0.10 0.04 18:40:20 4 96.92 0.00 2.92 0.00 0.12 0.04 18:40:20 5 97.09 0.00 2.75 0.00 0.12 0.03 18:40:20 6 96.72 0.00 3.13 0.00 0.11 0.04 18:40:20 7 97.20 0.00 2.65 0.00 0.12 0.04 Average: all 91.00 0.00 2.93 0.01 0.11 5.96 Average: 0 90.52 0.00 2.96 0.01 0.11 6.40 Average: 1 92.16 0.00 3.17 0.03 0.10 4.54 Average: 2 92.15 0.00 2.92 0.00 0.11 4.82 Average: 3 90.62 0.00 2.96 0.00 0.10 6.32 Average: 4 90.46 0.00 2.79 0.00 0.11 6.63 Average: 5 90.74 0.00 2.80 0.00 0.11 6.34 Average: 6 91.24 0.00 3.02 0.00 0.10 5.63 Average: 7 90.10 0.00 2.79 0.01 0.11 6.99