---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54578 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: 5600.00 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 68G 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 603 10653 4 4731 15043 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:bc:04:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84780sec preferred_lft 84780sec inet6 fe80::f816:3eff:febc:49d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:d7:51:70:79:9b 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-54578) 03/05/26 _x86_64_ (4 CPU) 09:57:33 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:12 23.98 2.12 8.60 13.26 132.01 2338.30 236145.20 10:20:01 4.99 0.36 4.40 0.23 11.28 580.33 43.38 Average: 14.66 1.26 6.54 6.86 72.74 1475.24 120234.16 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:12 9291104 12242688 3720100 22.72 114656 3003136 3934292 22.58 506556 6225516 2312 10:20:01 9889868 13328612 2631620 16.07 128500 3446572 2784964 15.99 570004 5534116 323900 Average: 9590486 12785650 3175860 19.40 121578 3224854 3359628 19.28 538280 5879816 163106 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:12 lo 0.68 0.68 0.39 0.39 0.00 0.00 0.00 0.00 10:10:12 ens3 65.84 53.07 744.81 7.16 0.00 0.00 0.00 0.00 10:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 87.43 87.43 83.03 83.03 0.00 0.00 0.00 0.00 10:20:01 ens3 32.87 24.44 385.62 3.20 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 43.27 43.27 40.96 40.96 0.00 0.00 0.00 0.00 Average: ens3 49.65 39.02 568.47 5.21 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-54578) 03/05/26 _x86_64_ (4 CPU) 09:57:33 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:12 all 52.88 0.00 1.02 0.10 0.09 45.91 10:10:12 0 51.78 0.00 0.95 0.11 0.10 47.06 10:10:12 1 51.61 0.00 1.17 0.21 0.08 46.93 10:10:12 2 58.22 0.00 1.09 0.04 0.10 40.55 10:10:12 3 49.89 0.00 0.87 0.05 0.08 49.11 10:20:01 all 48.47 0.00 0.70 0.02 0.08 50.73 10:20:01 0 35.95 0.00 0.63 0.01 0.08 63.34 10:20:01 1 72.32 0.00 0.81 0.01 0.09 26.77 10:20:01 2 51.49 0.00 0.73 0.02 0.08 47.67 10:20:01 3 34.13 0.00 0.63 0.02 0.07 65.15 Average: all 50.71 0.00 0.86 0.06 0.08 48.28 Average: 0 44.00 0.00 0.79 0.06 0.09 55.06 Average: 1 61.79 0.00 0.99 0.11 0.08 37.03 Average: 2 54.91 0.00 0.91 0.03 0.09 44.05 Average: 3 42.16 0.00 0.75 0.04 0.07 56.98