---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-66229 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 67G 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 691 9477 4 5820 14954 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:17:79:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84486sec preferred_lft 84486sec inet6 fe80::f816:3eff:fe17:7984/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:58:ff:e2:c2:73 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-66229) 04/03/26 _x86_64_ (4 CPU) 12:35:27 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:09 29.75 0.79 25.89 3.07 223.13 4245.35 27365.31 13:00:04 27.95 0.05 25.01 2.89 1.63 5989.24 12111.38 Average: 28.86 0.42 25.46 2.98 113.65 5107.29 19825.84 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:09 9311964 13341688 2612404 15.96 162748 3947896 2978188 17.09 819012 5807564 97968 13:00:04 7982920 13336460 2611416 15.95 188176 5178352 2809932 16.13 1113116 6767560 25836 Average: 8647442 13339074 2611910 15.95 175462 4563124 2894060 16.61 966064 6287562 61902 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:09 lo 1217.55 1217.55 1160.31 1160.31 0.00 0.00 0.00 0.00 12:50:09 ens3 84.47 62.46 465.89 15.37 0.00 0.00 0.00 0.00 12:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:04 lo 1000.90 1000.90 953.10 953.10 0.00 0.00 0.00 0.00 13:00:04 ens3 57.20 45.30 236.21 12.93 0.00 0.00 0.00 0.00 13:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1110.47 1110.47 1057.90 1057.90 0.00 0.00 0.00 0.00 Average: ens3 70.99 53.98 352.37 14.16 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-66229) 04/03/26 _x86_64_ (4 CPU) 12:35:27 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:09 all 64.33 0.00 2.49 0.07 0.10 33.02 12:50:09 0 64.22 0.00 2.28 0.06 0.10 33.34 12:50:09 1 64.10 0.00 2.61 0.08 0.10 33.11 12:50:09 2 63.66 0.00 2.58 0.05 0.10 33.60 12:50:09 3 65.34 0.00 2.47 0.08 0.10 32.01 13:00:04 all 58.50 0.00 2.25 0.07 0.10 39.08 13:00:04 0 58.32 0.00 2.17 0.03 0.10 39.37 13:00:04 1 60.40 0.00 2.32 0.06 0.10 37.12 13:00:04 2 59.18 0.00 2.28 0.13 0.10 38.31 13:00:04 3 56.11 0.00 2.22 0.05 0.10 41.52 Average: all 61.45 0.00 2.37 0.07 0.10 36.02 Average: 0 61.30 0.00 2.23 0.05 0.10 36.33 Average: 1 62.27 0.00 2.47 0.07 0.10 35.09 Average: 2 61.45 0.00 2.43 0.09 0.10 35.93 Average: 3 60.77 0.00 2.35 0.07 0.10 36.71