---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66025 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 68G 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 649 10572 4 4767 14997 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:0a:1a:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84781sec preferred_lft 84781sec inet6 fe80::f816:3eff:fe0a:1ab5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:df:91:b2:9e: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-66025) 04/02/26 _x86_64_ (4 CPU) 14:38:27 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:01 19.04 2.98 14.86 1.20 169.22 4288.46 3118.93 15:00:19 30.66 1.05 25.60 4.01 34.14 4453.96 8928.57 Average: 24.93 2.00 20.31 2.62 100.71 4372.39 6065.28 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:01 10673980 14005636 1954092 11.93 138672 3314444 2245800 12.89 582536 4730140 30716 15:00:19 10885512 15406512 545320 3.33 172952 4381340 1105756 6.35 904796 4086704 40 Average: 10779746 14706074 1249706 7.63 155812 3847892 1675778 9.62 743666 4408422 15378 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:01 lo 1.44 1.44 0.16 0.16 0.00 0.00 0.00 0.00 14:50:01 ens3 120.43 97.47 781.68 23.91 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:19 lo 1463.95 1463.95 1392.66 1392.66 0.00 0.00 0.00 0.00 15:00:19 ens3 88.54 70.89 419.67 72.70 0.00 0.00 0.00 0.00 15:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 743.15 743.15 706.36 706.36 0.00 0.00 0.00 0.00 Average: ens3 104.26 83.99 598.09 48.65 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-66025) 04/02/26 _x86_64_ (4 CPU) 14:38:27 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:01 all 68.90 0.00 2.31 0.06 0.13 28.60 14:50:01 0 68.01 0.00 2.04 0.03 0.13 29.79 14:50:01 1 69.54 0.00 2.17 0.10 0.12 28.07 14:50:01 2 68.99 0.00 2.58 0.08 0.13 28.22 14:50:01 3 69.06 0.00 2.45 0.05 0.13 28.31 15:00:19 all 60.41 0.00 2.58 0.14 0.12 36.75 15:00:19 0 58.72 0.00 2.50 0.06 0.12 38.61 15:00:19 1 62.22 0.00 2.33 0.12 0.13 35.20 15:00:19 2 59.52 0.00 2.86 0.31 0.12 37.19 15:00:19 3 61.19 0.00 2.61 0.06 0.13 36.02 Average: all 64.60 0.00 2.45 0.10 0.12 32.73 Average: 0 63.29 0.00 2.27 0.04 0.12 34.27 Average: 1 65.83 0.00 2.25 0.11 0.12 31.69 Average: 2 64.19 0.00 2.72 0.20 0.12 32.76 Average: 3 65.07 0.00 2.53 0.05 0.13 32.22