---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1848 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: 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: 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 753 19121 4 12217 30870 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:c1:82:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84426sec preferred_lft 84426sec inet6 fe80::f816:3eff:fec1:82e4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:56:2e:30:e2:3e 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::9c56:2eff:fe30:e23e/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-1848) 04/11/26 _x86_64_ (8 CPU) 00:00:28 LINUX RESTART (8 CPU) 00:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 24.42 0.51 23.16 0.75 18.39 15590.43 1332.19 00:30:06 41.28 2.24 37.78 1.26 358.00 10473.03 4006.07 Average: 32.98 1.39 30.58 1.01 190.81 12992.25 2689.76 00:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 19427392 28064356 4226412 12.86 188444 8510088 4437716 13.09 2076468 10712320 1556 00:30:06 19757744 31586416 686008 2.09 234808 11509276 1296880 3.82 3120540 9134372 300 Average: 19592568 29825386 2456210 7.47 211626 10009682 2867298 8.46 2598504 9923346 928 00:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 255.93 255.93 250.48 250.48 0.00 0.00 0.00 0.00 00:20:01 ens3 59.99 50.60 326.89 13.01 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:06 lo 6.57 6.57 1.66 1.66 0.00 0.00 0.00 0.00 00:30:06 ens3 150.09 159.97 320.45 2578.71 0.00 0.00 0.00 0.00 00:30:06 docker0 89.36 87.96 1365.92 160.43 0.00 0.00 0.00 0.00 Average: lo 129.33 129.33 124.15 124.15 0.00 0.00 0.00 0.00 Average: ens3 105.74 106.13 323.62 1315.65 0.00 0.00 0.00 0.00 Average: docker0 45.37 44.66 693.50 81.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1848) 04/11/26 _x86_64_ (8 CPU) 00:00:28 LINUX RESTART (8 CPU) 00:10:15 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 27.78 0.00 1.30 0.48 0.07 70.37 00:20:01 0 24.28 0.00 1.23 0.62 0.07 73.81 00:20:01 1 32.53 0.00 1.28 0.31 0.07 65.80 00:20:01 2 26.37 0.00 1.25 0.22 0.07 72.09 00:20:01 3 28.89 0.00 1.29 0.06 0.07 69.69 00:20:01 4 26.26 0.00 1.16 0.68 0.07 71.84 00:20:01 5 28.39 0.00 1.24 0.06 0.07 70.24 00:20:01 6 28.65 0.00 1.27 0.81 0.07 69.20 00:20:01 7 26.86 0.00 1.69 1.06 0.07 70.33 00:30:06 all 9.02 0.00 1.05 0.19 0.04 89.70 00:30:06 0 8.95 0.00 1.06 0.10 0.04 89.84 00:30:06 1 6.28 0.00 0.67 0.03 0.04 92.97 00:30:06 2 8.57 0.00 0.79 0.07 0.03 90.54 00:30:06 3 9.10 0.00 0.83 0.52 0.04 89.51 00:30:06 4 14.77 0.00 1.76 0.07 0.05 83.35 00:30:06 5 9.01 0.00 1.48 0.32 0.04 89.15 00:30:06 6 7.94 0.00 0.99 0.34 0.04 90.70 00:30:06 7 7.58 0.00 0.78 0.05 0.04 91.55 Average: all 18.25 0.00 1.17 0.33 0.06 80.20 Average: 0 16.48 0.00 1.14 0.36 0.05 81.96 Average: 1 19.20 0.00 0.97 0.17 0.06 79.59 Average: 2 17.32 0.00 1.02 0.14 0.05 81.47 Average: 3 18.84 0.00 1.06 0.29 0.05 79.76 Average: 4 20.42 0.00 1.46 0.37 0.06 77.69 Average: 5 18.53 0.00 1.36 0.20 0.05 79.86 Average: 6 18.11 0.00 1.12 0.57 0.06 80.13 Average: 7 17.07 0.00 1.23 0.55 0.06 81.10