---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53642 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 11G 67G 14% / 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 646 10342 4 5000 15000 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:03:57:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.221/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84776sec preferred_lft 84776sec inet6 fe80::f816:3eff:fe03:5782/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:0f:2c:35:42:c7 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-53642) 03/05/26 _x86_64_ (4 CPU) 09:35:23 LINUX RESTART (4 CPU) 09:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:09 7.34 0.48 6.34 0.52 406.73 1110.85 15149.20 10:00:09 15.41 0.52 13.81 1.07 19.12 2121.47 3833.64 Average: 11.35 0.50 10.05 0.80 214.29 1612.60 9531.21 09:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:09 10366492 13574176 2387428 14.58 117108 3251112 2676748 15.36 623736 5038116 17452 10:00:09 9037704 12939004 3018400 18.44 136164 3887988 3170696 18.20 828852 6115364 270852 Average: 9702098 13256590 2702914 16.51 126636 3569550 2923722 16.78 726294 5576740 144152 09:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:09 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 09:50:09 ens3 17.56 11.90 242.81 2.45 0.00 0.00 0.00 0.00 09:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:09 lo 438.22 438.22 417.63 417.63 0.00 0.00 0.00 0.00 10:00:09 ens3 38.81 28.48 408.34 3.76 0.00 0.00 0.00 0.00 10:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 217.88 217.88 207.54 207.54 0.00 0.00 0.00 0.00 Average: ens3 28.11 20.13 325.00 3.10 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-53642) 03/05/26 _x86_64_ (4 CPU) 09:35:23 LINUX RESTART (4 CPU) 09:40:01 CPU %user %nice %system %iowait %steal %idle 09:50:09 all 49.41 0.00 0.79 0.06 0.07 49.67 09:50:09 0 46.24 0.00 0.74 0.11 0.07 52.84 09:50:09 1 66.61 0.00 0.88 0.03 0.08 32.41 09:50:09 2 46.00 0.00 0.72 0.02 0.07 53.19 09:50:09 3 38.77 0.00 0.81 0.08 0.07 60.27 10:00:09 all 60.74 0.00 1.17 0.04 0.08 37.98 10:00:09 0 68.20 0.00 1.20 0.04 0.09 30.48 10:00:09 1 53.14 0.00 1.05 0.05 0.08 45.68 10:00:09 2 65.59 0.00 1.15 0.04 0.09 33.14 10:00:09 3 56.04 0.00 1.27 0.03 0.08 42.59 Average: all 55.03 0.00 0.98 0.05 0.08 43.87 Average: 0 57.13 0.00 0.97 0.07 0.08 41.75 Average: 1 59.92 0.00 0.97 0.04 0.08 39.00 Average: 2 55.73 0.00 0.93 0.03 0.08 43.24 Average: 3 47.34 0.00 1.04 0.05 0.07 51.49