---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-368217 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 758 9282 4 5948 14888 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:ad:05:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83926sec preferred_lft 83926sec inet6 fe80::f816:3eff:fead:5ae/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:5b:fa:ac:3f:04 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-368217) 03/09/26 _x86_64_ (4 CPU) 20:24:57 LINUX RESTART (4 CPU) 20:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:07 31.87 2.67 14.84 14.36 532.72 4169.15 264822.28 20:50:07 56.26 0.33 46.39 9.54 9.81 4212.11 28088.15 21:00:00 41.48 0.24 33.88 7.37 10.84 5298.60 11845.89 Average: 43.16 1.09 31.63 10.45 186.62 4555.31 102634.03 20:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:07 9708660 13397356 2559460 15.63 161124 3631316 2901604 16.66 747676 5508792 77612 20:50:07 8396284 12990188 2958932 18.07 202756 4423068 3176052 18.23 952592 6533116 108644 21:00:00 9626288 15349712 594732 3.63 239280 5451104 1112776 6.39 1343232 4830912 116 Average: 9243744 13912419 2037708 12.45 201053 4501829 2396811 13.76 1014500 5624273 62124 20:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:07 lo 1.41 1.41 0.15 0.15 0.00 0.00 0.00 0.00 20:40:07 ens3 114.42 88.68 724.12 20.36 0.00 0.00 0.00 0.00 20:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:07 lo 4883.85 4883.85 4656.62 4656.62 0.00 0.00 0.00 0.00 20:50:07 ens3 90.49 67.41 301.39 19.69 0.00 0.00 0.00 0.00 20:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:00 lo 3322.27 3322.27 3163.69 3163.69 0.00 0.00 0.00 0.00 21:00:00 ens3 92.98 73.96 106.10 66.35 0.00 0.00 0.00 0.00 21:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2722.00 2722.00 2593.64 2593.64 0.00 0.00 0.00 0.00 Average: ens3 99.39 76.74 379.76 35.28 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-368217) 03/09/26 _x86_64_ (4 CPU) 20:24:57 LINUX RESTART (4 CPU) 20:30:00 CPU %user %nice %system %iowait %steal %idle 20:40:07 all 67.45 0.00 2.53 0.15 0.09 29.78 20:40:07 0 66.79 0.00 2.30 0.25 0.09 30.57 20:40:07 1 68.01 0.00 2.57 0.14 0.09 29.19 20:40:07 2 68.50 0.00 2.68 0.10 0.08 28.63 20:40:07 3 66.51 0.00 2.58 0.12 0.08 30.72 20:50:07 all 62.19 0.00 4.29 0.11 0.09 33.31 20:50:07 0 60.71 0.00 3.90 0.10 0.09 35.20 20:50:07 1 63.79 0.00 4.59 0.17 0.09 31.36 20:50:07 2 62.46 0.00 4.44 0.10 0.09 32.91 20:50:07 3 61.82 0.00 4.24 0.07 0.09 33.77 21:00:00 all 56.35 0.00 3.40 0.13 0.09 40.03 21:00:00 0 55.11 0.00 3.19 0.05 0.08 41.56 21:00:00 1 54.38 0.00 3.34 0.08 0.09 42.11 21:00:00 2 57.49 0.00 3.80 0.22 0.09 38.40 21:00:00 3 58.44 0.00 3.29 0.16 0.09 38.03 Average: all 62.05 0.00 3.40 0.13 0.09 34.33 Average: 0 60.92 0.00 3.12 0.13 0.09 35.73 Average: 1 62.12 0.00 3.49 0.13 0.09 34.17 Average: 2 62.86 0.00 3.63 0.14 0.09 33.27 Average: 3 62.29 0.00 3.37 0.12 0.09 34.14