---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10621 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 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 731 9502 4 5755 14915 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:a6:a1:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83936sec preferred_lft 83936sec inet6 fe80::f816:3eff:fea6:a188/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:ac:c9:bb:55: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-10621) 11/14/25 _x86_64_ (4 CPU) 20:25:00 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:00 24.80 2.73 10.22 11.85 470.06 3622.65 243882.34 20:50:01 54.87 0.34 44.10 10.43 10.03 4342.93 20738.77 21:00:00 36.55 0.10 30.01 6.44 4.54 5368.71 10884.21 Average: 38.76 1.06 28.13 9.57 161.36 4444.64 91746.91 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:00 10203752 13668608 2289780 13.99 154176 3425264 2604696 14.95 723316 5047572 79500 20:50:01 8523140 12922352 3028008 18.49 199644 4237900 3177564 18.24 936548 6431544 122304 21:00:00 9864408 15391040 554024 3.38 238912 5261372 1093016 6.27 1329736 4620720 64 Average: 9530433 13994000 1957271 11.95 197577 4308179 2291759 13.15 996533 5366612 67289 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:00 lo 1.31 1.31 0.14 0.14 0.00 0.00 0.00 0.00 20:40:00 ens3 96.46 76.01 470.47 20.17 0.00 0.00 0.00 0.00 20:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 5038.02 5038.02 4802.11 4802.11 0.00 0.00 0.00 0.00 20:50:01 ens3 95.89 68.35 300.96 23.91 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:00 lo 2843.26 2843.26 2700.59 2700.59 0.00 0.00 0.00 0.00 21:00:00 ens3 113.75 95.78 142.07 66.87 0.00 0.00 0.00 0.00 21:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2630.51 2630.51 2503.79 2503.79 0.00 0.00 0.00 0.00 Average: ens3 102.02 80.03 304.50 36.97 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-10621) 11/14/25 _x86_64_ (4 CPU) 20:25:00 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:00 all 65.27 0.00 2.35 0.13 0.08 32.17 20:40:00 0 63.15 0.00 2.19 0.12 0.08 34.46 20:40:00 1 66.99 0.00 2.34 0.12 0.08 30.47 20:40:00 2 64.34 0.00 2.49 0.13 0.09 32.96 20:40:00 3 66.62 0.00 2.36 0.15 0.08 30.78 20:50:01 all 63.22 0.00 4.01 0.25 0.09 32.43 20:50:01 0 62.53 0.00 4.12 0.28 0.09 32.97 20:50:01 1 64.72 0.00 3.96 0.21 0.09 31.02 20:50:01 2 62.11 0.00 3.70 0.18 0.09 33.92 20:50:01 3 63.53 0.00 4.25 0.32 0.09 31.80 21:00:00 all 55.01 0.00 3.07 0.12 0.08 41.71 21:00:00 0 49.95 0.00 3.15 0.09 0.09 46.72 21:00:00 1 58.18 0.00 2.95 0.11 0.08 38.67 21:00:00 2 54.65 0.00 3.04 0.08 0.08 42.15 21:00:00 3 57.24 0.00 3.15 0.21 0.08 39.32 Average: all 61.17 0.00 3.14 0.17 0.09 35.43 Average: 0 58.55 0.00 3.16 0.17 0.09 38.05 Average: 1 63.30 0.00 3.09 0.15 0.09 33.39 Average: 2 60.37 0.00 3.08 0.13 0.09 36.34 Average: 3 62.46 0.00 3.26 0.23 0.09 33.97