---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6366 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 12G 67G 15% / 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 698 9445 4 5845 14948 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:ff:f9:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84747sec preferred_lft 84747sec inet6 fe80::f816:3eff:feff:f9b1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:68:c1:b8:63:8e 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-6366) 03/20/26 _x86_64_ (4 CPU) 08:56:17 LINUX RESTART (4 CPU) 09:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:01 19.67 0.16 16.02 3.48 6.67 1311.74 51665.81 09:20:00 26.35 0.16 22.29 3.89 4.73 2255.22 27905.61 Average: 23.02 0.16 19.17 3.69 5.70 1785.05 39746.17 09:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:01 9634144 13121716 2835436 17.32 128856 3482564 3045476 17.48 695096 5650032 584 09:20:00 7840972 13121680 2828676 17.28 151976 5183160 2876208 16.51 1404872 6659476 1293540 Average: 8737558 13121698 2832056 17.30 140416 4332862 2960842 17.00 1049984 6154754 647062 09:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:01 lo 37.61 37.61 8.78 8.78 0.00 0.00 0.00 0.00 09:10:01 ens3 15.13 10.86 95.86 2.57 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:00 lo 1532.11 1532.11 1441.86 1441.86 0.00 0.00 0.00 0.00 09:20:00 ens3 46.72 35.57 339.98 7.40 0.00 0.00 0.00 0.00 09:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 787.35 787.35 727.70 727.70 0.00 0.00 0.00 0.00 Average: ens3 30.98 23.26 218.33 4.99 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-6366) 03/20/26 _x86_64_ (4 CPU) 08:56:17 LINUX RESTART (4 CPU) 09:00:07 CPU %user %nice %system %iowait %steal %idle 09:10:01 all 25.94 0.00 1.02 0.20 0.09 72.74 09:10:01 0 24.63 0.00 0.89 0.36 0.08 74.04 09:10:01 1 27.00 0.00 1.01 0.07 0.09 71.83 09:10:01 2 26.70 0.00 1.18 0.12 0.09 71.92 09:10:01 3 25.45 0.00 1.01 0.27 0.09 73.19 09:20:00 all 40.98 0.00 1.96 0.06 0.09 56.91 09:20:00 0 40.01 0.00 2.11 0.04 0.09 57.76 09:20:00 1 41.18 0.00 1.84 0.03 0.10 56.85 09:20:00 2 42.00 0.00 2.07 0.03 0.10 55.81 09:20:00 3 40.74 0.00 1.81 0.14 0.09 57.22 Average: all 33.49 0.00 1.49 0.13 0.09 64.80 Average: 0 32.35 0.00 1.50 0.20 0.09 65.86 Average: 1 34.11 0.00 1.43 0.05 0.09 64.32 Average: 2 34.38 0.00 1.63 0.07 0.09 63.83 Average: 3 33.10 0.00 1.41 0.21 0.09 65.19