---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28988 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 13G 66G 16% / 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 646 8767 4 6575 15000 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:26:6c:c3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.2/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84559sec preferred_lft 84559sec inet6 fe80::f816:3eff:fe26:6cc3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:f6:c6:16:7f:33 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-28988) 03/04/26 _x86_64_ (4 CPU) 15:50:24 LINUX RESTART (4 CPU) 16:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:01 25.48 0.02 22.87 2.59 0.25 2253.10 24941.81 16:20:06 21.08 0.03 19.21 1.84 0.40 9213.54 14235.45 Average: 23.25 0.03 21.01 2.21 0.32 5783.20 19511.91 16:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:01 9150892 12954292 3001024 18.33 153648 3751872 2950276 16.93 770632 6040284 36684 16:20:06 9059556 15422900 524736 3.20 171380 6207336 985976 5.66 1650552 5129252 3168 Average: 9105224 14188596 1762880 10.77 162514 4979604 1968126 11.30 1210592 5584768 19926 16:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:01 lo 1129.06 1129.06 1075.53 1075.53 0.00 0.00 0.00 0.00 16:10:01 ens3 30.08 24.84 46.24 11.72 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:06 lo 690.57 690.57 7224.43 7224.43 0.00 0.00 0.00 0.00 16:20:06 ens3 35.48 28.62 104.34 33.21 0.00 0.00 0.00 0.00 16:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 906.68 906.68 4194.04 4194.04 0.00 0.00 0.00 0.00 Average: ens3 32.81 26.75 75.71 22.62 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-28988) 03/04/26 _x86_64_ (4 CPU) 15:50:24 LINUX RESTART (4 CPU) 16:00:14 CPU %user %nice %system %iowait %steal %idle 16:10:01 all 65.01 0.00 2.42 0.15 0.15 32.28 16:10:01 0 64.11 0.00 2.31 0.15 0.15 33.30 16:10:01 1 66.09 0.00 2.57 0.14 0.15 31.05 16:10:01 2 66.99 0.00 2.59 0.10 0.15 30.17 16:10:01 3 62.85 0.00 2.20 0.22 0.15 34.59 16:20:06 all 43.69 0.00 1.72 1.61 0.13 52.85 16:20:06 0 50.27 0.00 1.49 2.22 0.13 45.89 16:20:06 1 39.98 0.00 1.63 0.88 0.13 57.39 16:20:06 2 40.41 0.00 1.70 0.75 0.15 57.00 16:20:06 3 44.09 0.00 2.06 2.58 0.14 51.13 Average: all 54.19 0.00 2.06 0.89 0.14 42.72 Average: 0 57.08 0.00 1.89 1.20 0.14 39.69 Average: 1 52.84 0.00 2.09 0.52 0.14 44.41 Average: 2 53.49 0.00 2.13 0.43 0.15 43.79 Average: 3 53.34 0.00 2.13 1.42 0.14 42.97