---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4007 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 13G 65G 17% / 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 636 8030 4 7321 15010 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:f8:b1:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83940sec preferred_lft 83940sec inet6 fe80::f816:3eff:fef8:b105/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:51:f8:d0:bb:5b 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::2051:f8ff:fed0:bb5b/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-4007) 04/17/26 _x86_64_ (4 CPU) 14:00:01 LINUX RESTART (4 CPU) 14:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:02 25.41 0.02 22.79 2.60 0.23 2273.57 8087.15 14:30:02 15.57 0.03 14.17 1.36 0.71 3581.04 5536.87 14:40:02 63.44 2.27 45.13 16.04 361.26 9161.09 246047.97 Average: 34.81 0.77 27.37 6.67 120.74 5005.32 86560.42 14:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:02 8825164 12656440 3299948 20.15 156136 3774104 3226332 18.52 776088 6365020 23316 14:30:02 5345692 10020528 5932860 36.24 162988 4580060 5382876 30.90 1041540 9506728 6160 14:40:02 8249360 15387540 553180 3.38 199848 6899432 1160856 6.66 1895604 5662740 11180 Average: 7473405 12688169 3261996 19.92 172991 5084532 3256688 18.69 1237744 7178163 13552 14:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:02 lo 1127.86 1127.86 1074.02 1074.02 0.00 0.00 0.00 0.00 14:20:02 ens3 24.42 21.30 38.66 6.81 0.00 0.00 0.00 0.00 14:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:02 lo 2636.57 2636.57 9444.21 9444.21 0.00 0.00 0.00 0.00 14:30:02 ens3 13.83 11.47 11.82 3.70 0.00 0.00 0.00 0.00 14:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:02 lo 362.12 362.12 382.36 382.36 0.00 0.00 0.00 0.00 14:40:02 ens3 166.70 180.57 475.24 2087.08 0.00 0.00 0.00 0.00 14:40:02 docker0 75.91 71.86 1041.39 160.38 0.00 0.00 0.00 0.00 Average: lo 1375.50 1375.50 3633.49 3633.49 0.00 0.00 0.00 0.00 Average: ens3 68.32 71.12 175.25 699.22 0.00 0.00 0.00 0.00 Average: docker0 25.30 23.95 347.14 53.46 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-4007) 04/17/26 _x86_64_ (4 CPU) 14:00:01 LINUX RESTART (4 CPU) 14:10:02 CPU %user %nice %system %iowait %steal %idle 14:20:02 all 66.27 0.00 2.28 0.49 0.12 30.84 14:20:02 0 65.38 0.00 2.07 0.46 0.12 31.98 14:20:02 1 64.28 0.00 2.31 0.36 0.12 32.92 14:20:02 2 67.40 0.00 2.35 1.01 0.11 29.12 14:20:02 3 68.03 0.00 2.38 0.12 0.12 29.35 14:30:02 all 46.10 0.00 1.72 0.13 0.11 51.95 14:30:02 0 41.20 0.00 1.69 0.18 0.11 56.83 14:30:02 1 46.01 0.00 1.79 0.14 0.10 51.96 14:30:02 2 50.85 0.00 1.68 0.05 0.11 47.32 14:30:02 3 46.34 0.00 1.71 0.15 0.11 51.70 14:40:02 all 22.51 0.00 1.95 2.62 0.07 72.84 14:40:02 0 26.12 0.00 2.25 0.80 0.07 70.75 14:40:02 1 22.26 0.00 1.56 2.98 0.07 73.14 14:40:02 2 21.43 0.00 2.13 2.53 0.07 73.84 14:40:02 3 20.24 0.00 1.87 4.19 0.07 73.63 Average: all 44.95 0.00 1.98 1.08 0.10 51.89 Average: 0 44.21 0.00 2.00 0.48 0.10 53.21 Average: 1 44.18 0.00 1.89 1.16 0.10 52.68 Average: 2 46.57 0.00 2.05 1.19 0.10 50.09 Average: 3 44.86 0.00 1.99 1.49 0.10 51.57