---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15608 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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 12G 67G 15% / 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 721 9633 4 5634 14925 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:a4:73:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84094sec preferred_lft 84094sec inet6 fe80::f816:3eff:fea4:73ca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:d9:a0:fc:ad:35 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-15608) 12/21/25 _x86_64_ (4 CPU) 20:24:26 LINUX RESTART (4 CPU) 20:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:03 20.43 0.47 17.99 1.97 15.77 4615.45 3550.88 20:50:16 58.15 0.00 45.82 12.33 0.00 2708.38 23836.74 21:00:03 25.28 0.12 20.77 4.40 5.95 4590.54 6759.84 Average: 34.85 0.20 28.37 6.29 7.20 3958.02 11504.40 20:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:03 9284096 13302096 2651284 16.19 180212 3900988 2964032 17.01 745276 5899064 89192 20:50:16 8823152 13104628 2844592 17.37 209896 4104672 2991332 17.17 839952 6191828 20452 21:00:03 9959448 15360508 584588 3.57 238212 5138340 1108048 6.36 1211700 4627692 372 Average: 9355565 13922411 2026821 12.38 209440 4381333 2354471 13.51 932309 5572861 36672 20:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:03 lo 606.49 606.49 577.14 577.14 0.00 0.00 0.00 0.00 20:40:03 ens3 92.34 67.56 304.43 20.07 0.00 0.00 0.00 0.00 20:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:16 lo 5651.59 5651.59 5386.93 5386.93 0.00 0.00 0.00 0.00 20:50:16 ens3 90.07 63.70 28.96 21.65 0.00 0.00 0.00 0.00 20:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:03 lo 1736.31 1736.31 1638.52 1638.52 0.00 0.00 0.00 0.00 21:00:03 ens3 111.63 104.23 117.96 172.28 0.00 0.00 0.00 0.00 21:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2692.75 2692.75 2560.96 2560.96 0.00 0.00 0.00 0.00 Average: ens3 97.86 78.21 149.82 70.26 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-15608) 12/21/25 _x86_64_ (4 CPU) 20:24:26 LINUX RESTART (4 CPU) 20:30:03 CPU %user %nice %system %iowait %steal %idle 20:40:03 all 68.25 0.00 2.63 0.05 0.10 28.97 20:40:03 0 69.43 0.00 2.55 0.04 0.10 27.88 20:40:03 1 67.94 0.00 2.64 0.06 0.10 29.26 20:40:03 2 67.83 0.00 2.69 0.07 0.11 29.29 20:40:03 3 67.80 0.00 2.62 0.03 0.10 29.45 20:50:16 all 61.08 0.00 4.22 0.10 0.10 34.50 20:50:16 0 60.15 0.00 4.34 0.14 0.10 35.27 20:50:16 1 60.07 0.00 4.00 0.08 0.10 35.76 20:50:16 2 62.69 0.00 4.47 0.09 0.10 32.64 20:50:16 3 61.41 0.00 4.07 0.10 0.10 34.32 21:00:03 all 42.93 0.00 2.15 0.11 0.08 54.74 21:00:03 0 44.73 0.00 2.30 0.01 0.08 52.87 21:00:03 1 45.05 0.00 2.24 0.04 0.07 52.61 21:00:03 2 38.83 0.00 2.00 0.21 0.08 58.89 21:00:03 3 43.10 0.00 2.06 0.17 0.08 54.59 Average: all 57.55 0.00 3.01 0.09 0.09 39.26 Average: 0 58.21 0.00 3.08 0.07 0.09 38.55 Average: 1 57.79 0.00 2.97 0.06 0.09 39.09 Average: 2 56.62 0.00 3.07 0.12 0.09 40.09 Average: 3 57.57 0.00 2.93 0.10 0.09 39.31