---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-432955 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 17G 139G 11% / 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 747 20049 4 11294 30876 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:e8:74:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.188/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84385sec preferred_lft 84385sec inet6 fe80::f816:3eff:fee8:7420/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:d6:4e:d2:84:05 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-432955) 03/11/26 _x86_64_ (8 CPU) 00:23:48 LINUX RESTART (8 CPU) 00:30:38 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:03 62.46 4.77 56.21 1.49 291.09 7650.43 2146.10 00:50:38 15.13 0.29 14.41 0.43 11.07 9816.18 259.42 Average: 37.40 2.39 34.08 0.93 142.84 8797.02 1147.25 00:30:38 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:03 25691816 29695616 2614804 7.96 136172 4119264 3425736 10.10 825976 5925036 18976 00:50:38 21645796 28912852 3383700 10.30 173044 7214700 3471428 10.24 1942664 8705412 117116 Average: 23668806 29304234 2999252 9.13 154608 5666982 3448582 10.17 1384320 7315224 68046 00:30:38 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:03 lo 4.82 4.82 0.48 0.48 0.00 0.00 0.00 0.00 00:40:03 ens3 136.89 107.19 1153.29 19.69 0.00 0.00 0.00 0.00 00:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:38 lo 2.00 2.00 0.19 0.19 0.00 0.00 0.00 0.00 00:50:38 ens3 55.67 43.82 223.88 11.83 0.00 0.00 0.00 0.00 00:50:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.33 3.33 0.33 0.33 0.00 0.00 0.00 0.00 Average: ens3 93.89 73.64 661.24 15.53 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-432955) 03/11/26 _x86_64_ (8 CPU) 00:23:48 LINUX RESTART (8 CPU) 00:30:38 CPU %user %nice %system %iowait %steal %idle 00:40:03 all 19.75 0.00 1.21 0.20 0.05 78.79 00:40:03 0 20.39 0.00 1.14 0.14 0.05 78.28 00:40:03 1 20.58 0.00 1.22 0.05 0.05 78.09 00:40:03 2 21.06 0.00 1.26 0.13 0.04 77.51 00:40:03 3 18.40 0.00 1.15 0.08 0.04 80.32 00:40:03 4 19.02 0.00 1.16 0.06 0.04 79.72 00:40:03 5 19.45 0.00 1.34 0.64 0.05 78.53 00:40:03 6 20.69 0.00 1.27 0.14 0.04 77.85 00:40:03 7 18.41 0.00 1.13 0.40 0.04 80.01 00:50:38 all 34.44 0.00 1.43 0.16 0.07 63.91 00:50:38 0 39.49 0.00 1.40 0.06 0.07 58.98 00:50:38 1 34.59 0.00 1.70 0.16 0.07 63.48 00:50:38 2 35.01 0.00 1.40 0.17 0.06 63.36 00:50:38 3 32.86 0.00 1.57 0.24 0.07 65.26 00:50:38 4 37.04 0.00 1.41 0.04 0.07 61.44 00:50:38 5 32.99 0.00 1.33 0.32 0.07 65.30 00:50:38 6 31.33 0.00 1.34 0.28 0.06 66.99 00:50:38 7 32.19 0.00 1.26 0.00 0.07 66.48 Average: all 27.52 0.00 1.32 0.18 0.06 70.92 Average: 0 30.49 0.00 1.28 0.10 0.06 68.07 Average: 1 27.98 0.00 1.48 0.11 0.06 70.38 Average: 2 28.44 0.00 1.33 0.15 0.05 70.02 Average: 3 26.05 0.00 1.37 0.16 0.06 72.36 Average: 4 28.55 0.00 1.29 0.05 0.06 70.06 Average: 5 26.61 0.00 1.34 0.47 0.06 71.53 Average: 6 26.31 0.00 1.31 0.21 0.05 72.11 Average: 7 25.70 0.00 1.20 0.19 0.06 72.85