---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-495178 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 699 9497 4 5793 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:56:92:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84042sec preferred_lft 84042sec inet6 fe80::f816:3eff:fe56:921b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:11:ae:9c:76:ca 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-495178) 03/16/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:09 24.14 0.45 21.26 2.43 13.97 4634.95 2412.57 20:50:09 55.41 0.00 43.83 11.57 0.00 2605.82 30348.74 21:00:09 27.89 0.30 22.92 4.67 11.73 4675.93 5711.32 Average: 35.77 0.25 29.31 6.21 8.59 3974.82 12782.86 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:09 9056152 13280796 2671208 16.31 193184 4084260 2961664 17.00 775628 6083692 117164 20:50:09 8584312 13131668 2816468 17.20 215016 4353352 3040884 17.45 856896 6436204 116508 21:00:09 9853604 15419032 524932 3.21 249076 5283044 1099972 6.31 1218024 4735536 96 Average: 9164689 13943832 2004203 12.24 219092 4573552 2367507 13.59 950183 5751811 77923 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:09 lo 660.65 660.65 628.63 628.63 0.00 0.00 0.00 0.00 20:40:09 ens3 90.19 69.56 319.53 20.02 0.00 0.00 0.00 0.00 20:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:09 lo 5479.93 5479.93 5225.64 5225.64 0.00 0.00 0.00 0.00 20:50:09 ens3 77.36 56.50 25.51 18.99 0.00 0.00 0.00 0.00 20:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:09 lo 1865.92 1865.92 1765.35 1765.35 0.00 0.00 0.00 0.00 21:00:09 ens3 107.62 101.39 139.23 159.02 0.00 0.00 0.00 0.00 21:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2660.77 2660.77 2532.20 2532.20 0.00 0.00 0.00 0.00 Average: ens3 91.71 75.79 162.08 65.81 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-495178) 03/16/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:09 all 68.69 0.00 2.60 0.06 0.11 28.54 20:40:09 0 68.93 0.00 2.44 0.07 0.11 28.46 20:40:09 1 66.68 0.00 2.94 0.06 0.11 30.21 20:40:09 2 70.06 0.00 2.49 0.04 0.11 27.30 20:40:09 3 69.09 0.00 2.52 0.08 0.11 28.20 20:50:09 all 61.86 0.00 4.30 0.09 0.10 33.65 20:50:09 0 60.77 0.00 4.03 0.07 0.10 35.03 20:50:09 1 62.09 0.00 4.44 0.08 0.10 33.30 20:50:09 2 63.54 0.00 4.57 0.15 0.10 31.64 20:50:09 3 61.04 0.00 4.14 0.07 0.10 34.65 21:00:09 all 45.23 0.00 2.46 0.10 0.08 52.13 21:00:09 0 42.77 0.00 2.38 0.13 0.08 54.64 21:00:09 1 46.72 0.00 2.47 0.16 0.08 50.56 21:00:09 2 47.21 0.00 2.46 0.06 0.08 50.18 21:00:09 3 44.24 0.00 2.52 0.05 0.08 53.11 Average: all 58.64 0.00 3.11 0.08 0.10 38.07 Average: 0 57.54 0.00 2.95 0.09 0.10 39.33 Average: 1 58.53 0.00 3.28 0.10 0.10 37.99 Average: 2 60.31 0.00 3.17 0.08 0.10 36.33 Average: 3 58.17 0.00 3.06 0.07 0.10 38.61