---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54065 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 66G 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 647 9323 4 6018 14999 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:31:81:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.141/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84451sec preferred_lft 84451sec inet6 fe80::f816:3eff:fe31:819e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:eb:ea:f9:97:26 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-54065) 03/29/26 _x86_64_ (4 CPU) 22:20:58 LINUX RESTART (4 CPU) 22:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:40:00 28.10 1.32 26.27 0.51 95.95 914.90 536.24 22:50:00 43.46 3.42 37.16 2.88 182.49 10236.69 15741.31 Average: 35.78 2.37 31.72 1.69 139.22 5575.83 8138.83 22:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:00 13009928 15315332 673544 4.11 86164 2421008 1260664 7.24 331004 2745408 236796 22:50:00 7766344 12899308 3054200 18.65 143092 5067012 3208484 18.42 1253856 6916572 181476 Average: 10388136 14107320 1863872 11.38 114628 3744010 2234574 12.83 792430 4830990 209136 22:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:00 lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 22:40:00 ens3 23.30 18.16 155.95 4.93 0.00 0.00 0.00 0.00 22:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:00 lo 1215.93 1215.93 1158.64 1158.64 0.00 0.00 0.00 0.00 22:50:00 ens3 120.82 93.56 1173.32 19.50 0.00 0.00 0.00 0.00 22:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 608.06 608.06 579.33 579.33 0.00 0.00 0.00 0.00 Average: ens3 72.06 55.86 664.64 12.22 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-54065) 03/29/26 _x86_64_ (4 CPU) 22:20:58 LINUX RESTART (4 CPU) 22:30:00 CPU %user %nice %system %iowait %steal %idle 22:40:00 all 2.27 0.00 0.23 0.22 0.02 97.26 22:40:00 0 2.82 0.00 0.34 0.40 0.02 96.41 22:40:00 1 3.06 0.00 0.29 0.12 0.03 96.50 22:40:00 2 1.91 0.00 0.13 0.31 0.02 97.64 22:40:00 3 1.31 0.00 0.16 0.03 0.01 98.49 22:50:00 all 57.15 0.00 2.31 0.14 0.09 40.32 22:50:00 0 56.25 0.00 2.45 0.10 0.09 41.11 22:50:00 1 56.28 0.00 2.16 0.25 0.10 41.21 22:50:00 2 53.03 0.00 2.07 0.14 0.09 44.66 22:50:00 3 63.03 0.00 2.53 0.06 0.09 34.29 Average: all 29.64 0.00 1.27 0.18 0.06 68.86 Average: 0 29.48 0.00 1.40 0.25 0.05 68.82 Average: 1 29.64 0.00 1.23 0.18 0.06 68.89 Average: 2 27.34 0.00 1.10 0.22 0.05 71.28 Average: 3 32.12 0.00 1.34 0.05 0.05 66.44