---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5565 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 667 10472 4 4849 14979 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:b3:d5:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84695sec preferred_lft 84695sec inet6 fe80::f816:3eff:feb3:d54b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:47:7d:96:9b:db 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-5565) 03/18/26 _x86_64_ (4 CPU) 12:59:02 LINUX RESTART (4 CPU) 13:00:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:01 39.48 3.00 21.49 14.99 170.95 4441.21 250154.96 13:20:01 28.86 0.80 25.02 3.03 28.34 3434.56 3488.43 Average: 34.08 1.88 23.29 8.91 98.46 3929.51 124770.28 13:00:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:01 10599564 13836284 2123872 12.97 129868 3240632 2500000 14.35 552136 4853856 26844 13:20:01 9238720 13391100 2560760 15.64 168952 4036668 2667328 15.31 788880 5872424 15940 Average: 9919142 13613692 2342316 14.31 149410 3638650 2583664 14.83 670508 5363140 21392 13:00:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:01 lo 1.15 1.15 0.12 0.12 0.00 0.00 0.00 0.00 13:10:01 ens3 107.69 87.50 804.76 19.82 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 1606.37 1606.37 1531.74 1531.74 0.00 0.00 0.00 0.00 13:20:01 ens3 82.74 61.61 365.29 16.56 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 817.11 817.11 778.67 778.67 0.00 0.00 0.00 0.00 Average: ens3 95.01 74.34 581.37 18.16 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-5565) 03/18/26 _x86_64_ (4 CPU) 12:59:02 LINUX RESTART (4 CPU) 13:00:20 CPU %user %nice %system %iowait %steal %idle 13:10:01 all 51.28 0.00 1.83 0.59 0.11 46.20 13:10:01 0 51.29 0.00 1.97 0.49 0.11 46.14 13:10:01 1 51.05 0.00 1.78 0.16 0.10 46.91 13:10:01 2 51.85 0.00 1.92 1.34 0.11 44.79 13:10:01 3 50.92 0.00 1.65 0.35 0.10 46.97 13:20:01 all 66.98 0.00 2.70 1.53 0.12 28.66 13:20:01 0 67.91 0.00 2.19 0.99 0.12 28.78 13:20:01 1 66.79 0.00 2.84 1.25 0.12 29.00 13:20:01 2 68.53 0.00 3.17 2.41 0.13 25.76 13:20:01 3 64.69 0.00 2.60 1.48 0.12 31.12 Average: all 59.25 0.00 2.27 1.07 0.11 37.30 Average: 0 59.74 0.00 2.08 0.75 0.12 37.32 Average: 1 59.04 0.00 2.32 0.72 0.11 37.82 Average: 2 60.32 0.00 2.56 1.88 0.12 35.13 Average: 3 57.91 0.00 2.13 0.92 0.11 38.92