---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1570 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 9.8G 68G 13% / 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 607 11219 4 4162 15039 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:c3:4f:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84246sec preferred_lft 84246sec inet6 fe80::f816:3eff:fec3:4f76/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:e1:f6:e4:d7:da 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1570) 08/02/26 _x86_64_ (4 CPU) 21:02:23 LINUX RESTART (4 CPU) 21:10:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:20:14 1.70 0.01 1.69 0.00 0.05 32.61 0.15 21:30:15 12.40 1.92 9.73 0.75 124.05 2653.19 1498.96 Average: 7.05 0.97 5.71 0.37 62.05 1342.92 749.57 21:10:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:20:14 13015332 15489868 484656 2.96 99176 2564272 993752 5.70 340060 2661248 124 21:30:15 10657028 13972132 1988016 12.14 131180 3308268 2499456 14.35 550816 4781148 25496 Average: 11836180 14731000 1236336 7.55 115178 2936270 1746604 10.03 445438 3721198 12810 21:10:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:20:14 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 21:20:14 ens3 9.96 8.19 142.83 0.96 0.00 0.00 0.00 0.00 21:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:15 lo 1.01 1.01 0.10 0.10 0.00 0.00 0.00 0.00 21:30:15 ens3 93.26 72.71 618.87 15.96 0.00 0.00 0.00 0.00 21:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.55 0.55 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 51.61 40.45 380.86 8.46 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1570) 08/02/26 _x86_64_ (4 CPU) 21:02:23 LINUX RESTART (4 CPU) 21:10:14 CPU %user %nice %system %iowait %steal %idle 21:20:14 all 0.19 0.00 0.04 0.01 0.02 99.73 21:20:14 0 0.01 0.00 0.02 0.04 0.01 99.93 21:20:14 1 0.27 0.00 0.05 0.00 0.02 99.67 21:20:14 2 0.29 0.00 0.08 0.00 0.03 99.59 21:20:14 3 0.20 0.00 0.03 0.00 0.02 99.74 21:30:15 all 51.97 0.00 1.78 0.04 0.07 46.14 21:30:15 0 52.29 0.00 1.76 0.04 0.07 45.84 21:30:15 1 53.18 0.00 2.07 0.06 0.07 44.63 21:30:15 2 52.55 0.00 1.73 0.03 0.08 45.61 21:30:15 3 49.88 0.00 1.55 0.02 0.07 48.49 Average: all 26.06 0.00 0.91 0.02 0.05 72.96 Average: 0 26.12 0.00 0.89 0.04 0.04 72.91 Average: 1 26.68 0.00 1.05 0.03 0.04 72.20 Average: 2 26.41 0.00 0.90 0.02 0.06 72.62 Average: 3 25.04 0.00 0.79 0.01 0.05 74.11