---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6428 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: 5600.00 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 10G 68G 13% / 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 635 10845 4 4509 15011 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:7b:27:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.254/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84805sec preferred_lft 84805sec inet6 fe80::f816:3eff:fe7b:27e0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:3a:26:89:28:9f 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-6428) 03/20/26 _x86_64_ (4 CPU) 14:13:45 LINUX RESTART (4 CPU) 14:20:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:16 57.20 4.39 38.80 14.02 263.62 4178.18 239633.61 14:40:16 34.76 0.73 27.79 6.23 28.20 4514.25 6648.19 Average: 46.00 2.56 33.30 10.13 146.09 4345.95 123322.15 14:20:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:16 10694044 13864296 2098012 12.81 129036 3193692 2480544 14.24 641672 4681060 26320 14:40:16 11132000 15396152 560068 3.42 153364 4216080 1086552 6.24 1040484 3786996 12476 Average: 10913022 14630224 1329040 8.12 141200 3704886 1783548 10.24 841078 4234028 19398 14:20:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:16 lo 0.68 0.68 0.07 0.07 0.00 0.00 0.00 0.00 14:30:16 ens3 114.68 90.67 828.83 22.65 0.00 0.00 0.00 0.00 14:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:16 lo 2156.33 2156.33 2050.23 2050.23 0.00 0.00 0.00 0.00 14:40:16 ens3 119.15 103.43 415.12 375.49 0.00 0.00 0.00 0.00 14:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1076.83 1076.83 1023.56 1023.56 0.00 0.00 0.00 0.00 Average: ens3 116.91 97.04 622.30 198.80 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-6428) 03/20/26 _x86_64_ (4 CPU) 14:13:45 LINUX RESTART (4 CPU) 14:20:14 CPU %user %nice %system %iowait %steal %idle 14:30:16 all 28.56 0.00 1.16 0.27 0.06 69.95 14:30:16 0 27.64 0.00 1.16 0.41 0.05 70.74 14:30:16 1 31.69 0.00 1.27 0.53 0.06 66.45 14:30:16 2 27.25 0.00 1.19 0.08 0.06 71.41 14:30:16 3 27.68 0.00 1.01 0.07 0.06 71.18 14:40:16 all 43.13 0.00 2.36 0.15 0.08 54.29 14:40:16 0 45.53 0.00 2.34 0.18 0.08 51.88 14:40:16 1 39.41 0.00 2.22 0.09 0.07 58.21 14:40:16 2 47.11 0.00 2.67 0.16 0.09 49.98 14:40:16 3 40.49 0.00 2.21 0.15 0.08 57.07 Average: all 35.84 0.00 1.76 0.21 0.07 62.13 Average: 0 36.57 0.00 1.75 0.29 0.07 61.33 Average: 1 35.55 0.00 1.74 0.31 0.07 62.34 Average: 2 37.16 0.00 1.93 0.12 0.07 60.72 Average: 3 34.09 0.00 1.61 0.11 0.07 64.13