---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-944 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 645 10416 4 4927 15001 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:d8:f6:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.125/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82488sec preferred_lft 82488sec inet6 fe80::f816:3eff:fed8:f69a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:a8:de:e0:36:19 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-944) 04/07/26 _x86_64_ (4 CPU) 12:37:42 LINUX RESTART (4 CPU) 12:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:06 3.14 0.25 2.74 0.15 207.95 277.91 234.35 13:00:06 1.53 0.01 1.52 0.00 0.04 17.59 0.00 13:10:06 1.55 0.00 1.55 0.00 0.00 17.01 0.00 13:20:00 39.24 4.25 34.38 0.61 253.64 3744.79 1622.71 13:30:06 3.84 0.09 3.58 0.17 8.34 640.08 52.55 13:40:00 12.12 0.52 10.82 0.78 19.16 1841.71 2812.96 Average: 10.17 0.85 9.04 0.28 81.18 1082.87 780.68 12:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:06 13638352 15510812 506044 3.09 56212 2041960 1141852 6.55 258496 2216116 44 13:00:06 13638316 15511440 505332 3.09 56840 2041972 1141900 6.55 259132 2218072 168 13:10:06 13639332 15513056 503836 3.08 57424 2041976 1141916 6.55 259712 2218296 40 13:20:00 11633076 14558892 1405940 8.59 109644 2994268 1851028 10.62 490476 3927128 2932 13:30:06 8327456 11435384 4527592 27.65 115656 3155868 4744488 27.23 556880 7149096 560 13:40:00 9526856 13188868 2770300 16.92 138304 3654072 3028136 17.38 740188 5728968 112848 Average: 11733898 14286409 1703174 10.40 89013 2655019 2174887 12.48 427481 3909613 19432 12:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:06 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 12:50:06 ens3 4.61 3.03 59.19 0.24 0.00 0.00 0.00 0.00 12:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:06 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:00:06 ens3 0.33 0.13 0.10 0.06 0.00 0.00 0.00 0.00 13:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:06 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:10:06 ens3 0.23 0.07 0.04 0.02 0.00 0.00 0.00 0.00 13:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:00 lo 0.36 0.36 0.04 0.04 0.00 0.00 0.00 0.00 13:20:00 ens3 91.23 68.23 853.43 11.33 0.00 0.00 0.00 0.00 13:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:06 lo 0.61 0.61 0.37 0.37 0.00 0.00 0.00 0.00 13:30:06 ens3 13.22 10.71 76.77 2.63 0.00 0.00 0.00 0.00 13:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:00 lo 289.63 289.63 275.88 275.88 0.00 0.00 0.00 0.00 13:40:00 ens3 37.77 28.29 413.75 3.79 0.00 0.00 0.00 0.00 13:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 48.06 48.06 45.65 45.65 0.00 0.00 0.00 0.00 Average: ens3 24.40 18.29 232.15 2.99 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-944) 04/07/26 _x86_64_ (4 CPU) 12:37:42 LINUX RESTART (4 CPU) 12:40:06 CPU %user %nice %system %iowait %steal %idle 12:50:06 all 0.20 0.00 0.06 0.04 0.01 99.69 12:50:06 0 0.08 0.00 0.05 0.01 0.01 99.86 12:50:06 1 0.07 0.00 0.07 0.02 0.01 99.83 12:50:06 2 0.60 0.00 0.06 0.02 0.02 99.30 12:50:06 3 0.05 0.00 0.05 0.12 0.01 99.77 13:00:06 all 0.11 0.00 0.03 0.01 0.01 99.84 13:00:06 0 0.06 0.00 0.01 0.00 0.00 99.93 13:00:06 1 0.02 0.00 0.01 0.01 0.00 99.96 13:00:06 2 0.33 0.00 0.05 0.01 0.02 99.61 13:00:06 3 0.04 0.00 0.04 0.04 0.01 99.87 13:10:06 all 0.09 0.00 0.02 0.01 0.01 99.87 13:10:06 0 0.02 0.00 0.03 0.00 0.01 99.94 13:10:06 1 0.03 0.00 0.02 0.00 0.01 99.95 13:10:06 2 0.02 0.00 0.02 0.00 0.01 99.94 13:10:06 3 0.27 0.00 0.02 0.03 0.01 99.66 13:20:00 all 14.28 0.00 0.62 0.23 0.03 84.84 13:20:00 0 14.00 0.00 0.50 0.06 0.03 85.41 13:20:00 1 13.57 0.00 0.52 0.06 0.04 85.82 13:20:00 2 13.41 0.00 0.65 0.37 0.04 85.54 13:20:00 3 16.13 0.00 0.80 0.45 0.03 82.59 13:30:06 all 48.25 0.00 0.68 0.02 0.08 50.98 13:30:06 0 52.09 0.00 0.69 0.00 0.08 47.13 13:30:06 1 50.51 0.00 0.73 0.01 0.08 48.67 13:30:06 2 44.38 0.00 0.60 0.03 0.07 54.92 13:30:06 3 46.02 0.00 0.69 0.02 0.07 53.20 13:40:00 all 57.48 0.00 1.03 0.03 0.08 41.38 13:40:00 0 50.38 0.00 0.89 0.04 0.08 48.61 13:40:00 1 75.31 0.00 0.96 0.01 0.09 23.64 13:40:00 2 47.37 0.00 1.09 0.05 0.08 51.42 13:40:00 3 56.86 0.00 1.16 0.04 0.08 41.85 Average: all 20.06 0.00 0.40 0.06 0.04 79.45 Average: 0 19.45 0.00 0.36 0.02 0.04 80.14 Average: 1 23.21 0.00 0.38 0.02 0.04 76.35 Average: 2 17.68 0.00 0.41 0.08 0.04 81.79 Average: 3 19.88 0.00 0.46 0.12 0.04 79.51