---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4176 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 699 10057 4 5231 14947 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:d2:24:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84763sec preferred_lft 84763sec inet6 fe80::f816:3eff:fed2:2447/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:f7:47:b9:19:6b 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-4c-4g-4176) 04/18/26 _x86_64_ (4 CPU) 02:46:50 LINUX RESTART (4 CPU) 02:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:15 26.52 0.58 23.48 2.46 21.86 3970.88 6782.50 03:10:37 29.28 0.05 26.19 3.04 1.53 6049.56 20292.68 Average: 27.91 0.31 24.84 2.75 11.63 5017.07 13582.13 02:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:15 9718764 13395912 2560660 15.64 151284 3622792 2746624 15.77 704440 5510020 10668 03:10:37 8044928 13140180 2810328 17.16 181712 4938964 2926180 16.80 1008496 6829400 25604 Average: 8881846 13268046 2685494 16.40 166498 4280878 2836402 16.28 856468 6169710 18136 02:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:15 lo 1220.68 1220.68 1163.74 1163.74 0.00 0.00 0.00 0.00 03:00:15 ens3 57.83 42.14 316.95 9.95 0.00 0.00 0.00 0.00 03:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:37 lo 1065.80 1065.80 1015.35 1015.35 0.00 0.00 0.00 0.00 03:10:37 ens3 39.95 32.00 220.76 8.18 0.00 0.00 0.00 0.00 03:10:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1142.73 1142.73 1089.05 1089.05 0.00 0.00 0.00 0.00 Average: ens3 48.83 37.04 268.54 9.06 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-4c-4g-4176) 04/18/26 _x86_64_ (4 CPU) 02:46:50 LINUX RESTART (4 CPU) 02:50:01 CPU %user %nice %system %iowait %steal %idle 03:00:15 all 64.94 0.00 2.28 0.20 0.11 32.47 03:00:15 0 61.63 0.00 2.32 0.16 0.11 35.78 03:00:15 1 66.34 0.00 2.79 0.33 0.11 30.43 03:00:15 2 66.70 0.00 1.91 0.23 0.11 31.05 03:00:15 3 65.12 0.00 2.09 0.08 0.11 32.60 03:10:37 all 56.43 0.00 2.17 1.60 0.11 39.70 03:10:37 0 52.99 0.00 2.14 0.71 0.11 44.05 03:10:37 1 59.28 0.00 2.35 3.69 0.11 34.57 03:10:37 2 57.04 0.00 2.15 0.75 0.11 39.96 03:10:37 3 56.42 0.00 2.02 1.23 0.11 40.22 Average: all 60.66 0.00 2.22 0.90 0.11 36.11 Average: 0 57.28 0.00 2.23 0.44 0.11 39.94 Average: 1 62.78 0.00 2.57 2.02 0.11 32.52 Average: 2 61.84 0.00 2.03 0.49 0.11 35.54 Average: 3 60.74 0.00 2.05 0.66 0.11 36.44