---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-1639 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: 5599.86 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 14G 64G 18% / 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 638 8346 4 7003 15008 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:2e:5f:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.209/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85029sec preferred_lft 85029sec inet6 fe80::f816:3eff:fe2e:5ffe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:9b:9b:97:e3:df 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-v1-8c-8g-1639) 05/20/26 _x86_64_ (4 CPU) 18:37:26 LINUX RESTART (4 CPU) 18:40:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:50:14 23.71 1.61 8.63 13.47 303.48 3933.22 235568.60 19:00:13 267.33 0.76 257.28 9.29 20.60 15299.37 155278.60 Average: 145.48 1.18 132.91 11.38 162.09 9614.30 195437.67 18:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:50:14 9896032 13662824 2294864 14.02 176820 3683884 2606464 14.96 685032 5353096 246220 19:00:13 8559148 15380348 553404 3.38 304768 6381232 1101852 6.32 1630344 5509968 11908 Average: 9227590 14521586 1424134 8.70 240794 5032558 1854158 10.64 1157688 5431532 129064 18:40:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:50:14 lo 0.41 0.41 0.04 0.04 0.00 0.00 0.00 0.00 18:50:14 ens3 133.22 118.90 782.39 27.42 0.00 0.00 0.00 0.00 18:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:13 lo 17.08 17.08 1.61 1.61 0.00 0.00 0.00 0.00 19:00:13 ens3 121.13 121.59 285.66 624.20 0.00 0.00 0.00 0.00 19:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 8.74 8.74 0.82 0.82 0.00 0.00 0.00 0.00 Average: ens3 127.18 120.24 534.11 325.70 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-v1-8c-8g-1639) 05/20/26 _x86_64_ (4 CPU) 18:37:26 LINUX RESTART (4 CPU) 18:40:15 CPU %user %nice %system %iowait %steal %idle 18:50:14 all 21.98 0.00 1.31 0.11 0.06 76.54 18:50:14 0 20.87 0.00 1.06 0.07 0.06 77.94 18:50:14 1 23.13 0.00 1.41 0.18 0.06 75.21 18:50:14 2 23.17 0.00 1.50 0.14 0.06 75.14 18:50:14 3 20.74 0.00 1.28 0.06 0.06 77.87 19:00:13 all 36.64 0.00 3.10 0.35 0.08 59.84 19:00:13 0 37.09 0.00 3.19 0.38 0.08 59.25 19:00:13 1 29.82 0.00 3.00 0.22 0.08 66.88 19:00:13 2 39.67 0.00 3.22 0.39 0.08 56.64 19:00:13 3 39.96 0.00 2.97 0.39 0.08 56.61 Average: all 29.29 0.00 2.20 0.23 0.07 68.21 Average: 0 28.97 0.00 2.12 0.23 0.07 68.60 Average: 1 26.47 0.00 2.21 0.20 0.07 71.06 Average: 2 31.40 0.00 2.36 0.26 0.07 65.91 Average: 3 30.33 0.00 2.12 0.22 0.07 67.26