---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3166 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 640 10503 4 4845 15006 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:ca:7e:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.152/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84808sec preferred_lft 84808sec inet6 fe80::f816:3eff:feca:7ea4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:86:3e:ca:34:36 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-3166) 03/18/26 _x86_64_ (4 CPU) 10:14:17 LINUX RESTART (4 CPU) 10:20:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:06 3.81 0.07 3.58 0.16 7.09 627.33 75.44 10:40:00 20.03 0.52 17.63 1.87 19.20 2552.84 12029.39 Average: 11.87 0.29 10.56 1.01 13.11 1584.29 6016.42 10:20:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:06 9619092 12687408 3274712 20.00 115496 3113012 3550420 20.38 508268 5907288 1000 10:40:00 10835992 15429192 526808 3.22 136280 4557372 1011604 5.81 878308 4226868 1059088 Average: 10227542 14058300 1900760 11.61 125888 3835192 2281012 13.09 693288 5067078 530044 10:20:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:06 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 10:30:06 ens3 10.14 7.82 36.11 2.15 0.00 0.00 0.00 0.00 10:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:00 lo 476.93 476.93 454.00 454.00 0.00 0.00 0.00 0.00 10:40:00 ens3 52.00 38.00 490.59 18.18 0.00 0.00 0.00 0.00 10:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 237.34 237.34 225.82 225.82 0.00 0.00 0.00 0.00 Average: ens3 30.94 22.82 261.98 10.11 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-3166) 03/18/26 _x86_64_ (4 CPU) 10:14:17 LINUX RESTART (4 CPU) 10:20:06 CPU %user %nice %system %iowait %steal %idle 10:30:06 all 51.16 0.00 0.69 0.01 0.09 48.04 10:30:06 0 55.01 0.00 0.73 0.01 0.10 44.15 10:30:06 1 41.39 0.00 0.58 0.01 0.09 57.92 10:30:06 2 47.82 0.00 0.72 0.03 0.09 51.34 10:30:06 3 60.42 0.00 0.72 0.01 0.10 38.76 10:40:00 all 53.59 0.00 1.36 0.05 0.08 44.93 10:40:00 0 44.08 0.00 1.29 0.09 0.08 54.46 10:40:00 1 43.86 0.00 1.47 0.04 0.08 54.55 10:40:00 2 83.38 0.00 1.52 0.03 0.09 14.99 10:40:00 3 43.04 0.00 1.15 0.05 0.08 55.69 Average: all 52.37 0.00 1.02 0.03 0.09 46.49 Average: 0 49.58 0.00 1.01 0.05 0.09 49.27 Average: 1 42.62 0.00 1.02 0.03 0.09 56.24 Average: 2 65.48 0.00 1.12 0.03 0.09 33.28 Average: 3 51.79 0.00 0.93 0.03 0.09 47.16