---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65792 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 694 10177 4 5117 14952 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:41:e2:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.94/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84392sec preferred_lft 84392sec inet6 fe80::f816:3eff:fe41:e2dd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:d9:41:f5:7d:56 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-65792) 04/01/26 _x86_64_ (4 CPU) 14:35:50 LINUX RESTART (4 CPU) 14:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:05 30.63 2.23 14.13 14.27 504.11 3142.47 244339.99 15:00:05 32.78 0.80 28.55 3.43 27.36 3524.65 8405.87 Average: 31.71 1.52 21.34 8.85 265.73 3333.56 126372.93 14:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:05 9910868 13419412 2539692 15.51 134332 3505868 2930344 16.82 709828 5382072 23240 15:00:05 8628284 13077060 2873284 17.55 174736 4321724 3405288 19.55 955148 6323532 15184 Average: 9269576 13248236 2706488 16.53 154534 3913796 3167816 18.18 832488 5852802 19212 14:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:05 lo 0.95 0.95 0.10 0.10 0.00 0.00 0.00 0.00 14:50:05 ens3 102.60 76.78 838.24 16.61 0.00 0.00 0.00 0.00 14:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:05 lo 1434.45 1434.45 1367.12 1367.12 0.00 0.00 0.00 0.00 15:00:05 ens3 95.47 70.52 385.40 19.42 0.00 0.00 0.00 0.00 15:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 717.70 717.70 683.61 683.61 0.00 0.00 0.00 0.00 Average: ens3 99.04 73.65 611.82 18.01 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-65792) 04/01/26 _x86_64_ (4 CPU) 14:35:50 LINUX RESTART (4 CPU) 14:40:05 CPU %user %nice %system %iowait %steal %idle 14:50:05 all 45.67 0.00 1.71 0.78 0.08 51.76 14:50:05 0 45.39 0.00 1.55 0.80 0.07 52.19 14:50:05 1 45.90 0.00 1.84 1.23 0.08 50.96 14:50:05 2 44.49 0.00 1.56 0.47 0.08 53.41 14:50:05 3 46.90 0.00 1.91 0.63 0.08 50.49 15:00:05 all 71.72 0.00 2.71 0.22 0.09 25.25 15:00:05 0 71.35 0.00 2.66 0.33 0.10 25.56 15:00:05 1 74.20 0.00 2.56 0.19 0.09 22.94 15:00:05 2 69.09 0.00 2.54 0.12 0.09 28.15 15:00:05 3 72.24 0.00 3.08 0.22 0.09 24.36 Average: all 58.68 0.00 2.21 0.50 0.09 38.52 Average: 0 58.37 0.00 2.10 0.57 0.09 38.88 Average: 1 60.03 0.00 2.20 0.71 0.09 36.97 Average: 2 56.77 0.00 2.05 0.29 0.08 40.80 Average: 3 59.56 0.00 2.50 0.42 0.09 37.43