---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28803 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: 5599.94 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 647 10278 4 5064 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:5f:bd:7a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.108/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84780sec preferred_lft 84780sec inet6 fe80::f816:3eff:fe5f:bd7a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:dd:3c:8f:fe:01 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-28803) 03/24/26 _x86_64_ (4 CPU) 23:04:14 LINUX RESTART (4 CPU) 23:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:20:04 4.08 0.07 3.84 0.18 7.09 622.92 31.99 23:30:04 20.25 0.51 18.18 1.55 18.99 2473.57 4601.26 Average: 12.16 0.29 11.01 0.86 13.04 1548.01 2316.05 23:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:04 9302440 12594252 3367244 20.57 118660 3317756 3586512 20.59 678744 6018796 976 23:30:04 9334516 13536412 2420216 14.78 139324 4164312 2517344 14.45 873536 5743008 466792 Average: 9318478 13065332 2893730 17.67 128992 3741034 3051928 17.52 776140 5880902 233884 23:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:04 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 23:20:04 ens3 10.44 8.04 36.27 2.22 0.00 0.00 0.00 0.00 23:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:04 lo 499.70 499.70 476.26 476.26 0.00 0.00 0.00 0.00 23:30:04 ens3 49.12 36.27 482.84 5.58 0.00 0.00 0.00 0.00 23:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 250.09 250.09 238.26 238.26 0.00 0.00 0.00 0.00 Average: ens3 29.77 22.15 259.50 3.90 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-28803) 03/24/26 _x86_64_ (4 CPU) 23:04:14 LINUX RESTART (4 CPU) 23:10:04 CPU %user %nice %system %iowait %steal %idle 23:20:04 all 50.60 0.00 0.67 0.02 0.09 48.62 23:20:04 0 45.12 0.00 0.66 0.02 0.09 54.10 23:20:04 1 57.35 0.00 0.65 0.02 0.10 41.87 23:20:04 2 56.41 0.00 0.65 0.02 0.09 42.84 23:20:04 3 43.51 0.00 0.72 0.02 0.09 55.66 23:30:04 all 58.10 0.00 1.35 0.05 0.09 40.41 23:30:04 0 50.68 0.00 1.24 0.10 0.09 47.89 23:30:04 1 48.04 0.00 1.12 0.04 0.09 50.72 23:30:04 2 51.90 0.00 1.59 0.05 0.08 46.39 23:30:04 3 81.78 0.00 1.47 0.03 0.10 16.61 Average: all 54.35 0.00 1.01 0.04 0.09 44.52 Average: 0 47.90 0.00 0.95 0.06 0.09 50.99 Average: 1 52.70 0.00 0.88 0.03 0.09 46.29 Average: 2 54.15 0.00 1.12 0.03 0.08 44.62 Average: 3 62.63 0.00 1.10 0.03 0.09 36.16