---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10487 5.15.0-153-generic #163-Ubuntu SMP Thu Aug 7 16:37:18 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: 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 disabled; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: 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 641 10417 4 4930 15005 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:55:7e:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.221/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83873sec preferred_lft 83873sec inet6 fe80::f816:3eff:fe55:7e90/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:cd:10:ce:96:c7 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-10487) 11/14/25 _x86_64_ (4 CPU) 15:17:08 LINUX RESTART (4 CPU) 15:20:46 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:30:00 5.78 0.71 4.67 0.39 583.69 716.95 4438.96 15:40:02 47.29 4.14 32.36 10.80 250.89 3482.08 242767.97 15:50:02 2.99 0.05 2.78 0.16 6.60 495.15 21.85 Average: 19.05 1.66 13.52 3.88 272.48 1589.07 84628.82 15:20:46 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:30:00 13485712 15520620 494360 3.02 57476 2201560 1139332 6.54 377564 2250804 276 15:40:02 11107220 14130212 1834048 11.20 110204 3088748 2166280 12.43 644928 4297700 3340 15:50:02 9240768 12400696 3561832 21.75 115136 3208776 3689932 21.18 685132 6085856 564 Average: 11277900 14017176 1963413 11.99 94272 2833028 2331848 13.38 569208 4211453 1393 15:20:46 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:30:00 lo 0.16 0.16 0.01 0.01 0.00 0.00 0.00 0.00 15:30:00 ens3 8.02 4.25 136.69 0.46 0.00 0.00 0.00 0.00 15:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:02 lo 0.39 0.39 0.05 0.05 0.00 0.00 0.00 0.00 15:40:02 ens3 77.86 61.61 720.37 12.15 0.00 0.00 0.00 0.00 15:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:02 lo 0.59 0.59 0.37 0.37 0.00 0.00 0.00 0.00 15:50:02 ens3 9.37 7.86 37.81 2.31 0.00 0.00 0.00 0.00 15:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.38 0.38 0.15 0.15 0.00 0.00 0.00 0.00 Average: ens3 32.42 25.15 303.00 5.10 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-10487) 11/14/25 _x86_64_ (4 CPU) 15:17:08 LINUX RESTART (4 CPU) 15:20:46 CPU %user %nice %system %iowait %steal %idle 15:30:00 all 0.35 0.00 0.14 0.17 0.01 99.33 15:30:00 0 0.37 0.00 0.14 0.09 0.01 99.39 15:30:00 1 0.29 0.00 0.09 0.05 0.02 99.55 15:30:00 2 0.38 0.00 0.14 0.41 0.02 99.06 15:30:00 3 0.35 0.00 0.18 0.12 0.01 99.34 15:40:02 all 29.11 0.00 0.78 0.30 0.06 69.75 15:40:02 0 29.92 0.00 0.87 0.52 0.06 68.62 15:40:02 1 30.48 0.00 0.75 0.38 0.06 68.34 15:40:02 2 23.29 0.00 0.65 0.19 0.06 75.80 15:40:02 3 32.72 0.00 0.84 0.12 0.06 66.26 15:50:02 all 47.93 0.00 0.60 0.03 0.08 51.36 15:50:02 0 41.73 0.00 0.48 0.03 0.08 57.69 15:50:02 1 38.40 0.00 0.58 0.02 0.08 60.92 15:50:02 2 77.45 0.00 0.78 0.01 0.09 21.68 15:50:02 3 34.16 0.00 0.56 0.05 0.08 65.16 Average: all 26.46 0.00 0.52 0.17 0.05 72.80 Average: 0 24.63 0.00 0.51 0.22 0.05 74.59 Average: 1 23.68 0.00 0.49 0.15 0.05 75.63 Average: 2 34.58 0.00 0.53 0.20 0.06 64.63 Average: 3 22.98 0.00 0.53 0.10 0.05 76.33