---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53449 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 68G 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 659 10543 4 4786 14987 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:71:14:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82814sec preferred_lft 82814sec inet6 fe80::f816:3eff:fe71:14fa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:0e:83:25:51:5d 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-53449) 03/27/26 _x86_64_ (4 CPU) 09:00:27 LINUX RESTART (4 CPU) 09:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:17 18.79 1.82 16.32 0.65 114.82 2289.41 1954.01 09:30:17 1.96 0.00 1.96 0.00 0.00 40.94 441.81 09:40:17 25.66 1.92 10.05 13.68 124.23 2457.60 240174.18 09:50:17 25.95 0.77 22.76 2.41 27.95 3364.54 1649.95 Average: 18.09 1.13 12.79 4.17 66.90 2038.81 60822.77 09:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:17 13162236 15530408 449268 2.74 96872 2464728 978036 5.61 332164 2559324 192 09:30:17 13155900 15526600 452728 2.77 98900 2464948 978328 5.62 334168 2566236 68 09:40:17 10656084 13804536 2156932 13.17 129492 3156148 2543220 14.60 540804 4817236 23924 09:50:17 9215276 13328388 2624424 16.03 169888 3996524 2728080 15.66 773192 5910624 54896 Average: 11547374 14547483 1420838 8.68 123788 3020587 1806916 10.37 495082 3963355 19770 09:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:17 lo 0.29 0.29 0.04 0.04 0.00 0.00 0.00 0.00 09:20:17 ens3 31.10 25.25 315.10 4.43 0.00 0.00 0.00 0.00 09:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:17 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:30:17 ens3 7.36 6.58 73.09 0.98 0.00 0.00 0.00 0.00 09:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:17 lo 0.85 0.85 0.09 0.09 0.00 0.00 0.00 0.00 09:40:17 ens3 67.80 59.44 564.81 14.54 0.00 0.00 0.00 0.00 09:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:17 lo 1065.52 1065.52 1015.05 1015.05 0.00 0.00 0.00 0.00 09:50:17 ens3 64.18 47.67 324.37 16.30 0.00 0.00 0.00 0.00 09:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 265.83 265.83 252.98 252.98 0.00 0.00 0.00 0.00 Average: ens3 42.56 34.70 319.28 9.04 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-53449) 03/27/26 _x86_64_ (4 CPU) 09:00:27 LINUX RESTART (4 CPU) 09:10:08 CPU %user %nice %system %iowait %steal %idle 09:20:17 all 2.41 0.00 0.31 5.08 0.02 92.18 09:20:17 0 6.11 0.00 0.55 2.67 0.03 90.64 09:20:17 1 0.91 0.00 0.20 12.34 0.02 86.53 09:20:17 2 1.12 0.00 0.25 3.88 0.02 94.72 09:20:17 3 1.49 0.00 0.23 1.42 0.02 96.83 09:30:17 all 0.20 0.00 0.05 0.56 0.02 99.18 09:30:17 0 0.39 0.00 0.03 1.25 0.02 98.31 09:30:17 1 0.08 0.00 0.03 0.61 0.01 99.27 09:30:17 2 0.26 0.00 0.09 0.30 0.02 99.33 09:30:17 3 0.06 0.00 0.04 0.08 0.02 99.80 09:40:17 all 46.81 0.00 1.61 6.03 0.12 45.44 09:40:17 0 47.52 0.00 1.38 5.27 0.12 45.70 09:40:17 1 46.77 0.00 1.90 5.17 0.12 46.04 09:40:17 2 46.61 0.00 1.57 6.76 0.14 44.92 09:40:17 3 46.34 0.00 1.58 6.89 0.11 45.08 09:50:17 all 69.05 0.00 2.61 0.48 0.14 27.71 09:50:17 0 67.73 0.00 2.53 0.82 0.15 28.77 09:50:17 1 70.55 0.00 3.18 0.34 0.14 25.79 09:50:17 2 68.49 0.00 2.39 0.45 0.14 28.53 09:50:17 3 69.45 0.00 2.34 0.31 0.14 27.77 Average: all 29.44 0.00 1.14 3.04 0.08 66.31 Average: 0 30.28 0.00 1.12 2.50 0.08 66.03 Average: 1 29.40 0.00 1.32 4.64 0.07 64.56 Average: 2 28.93 0.00 1.07 2.84 0.08 67.08 Average: 3 29.14 0.00 1.04 2.17 0.07 67.58