---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10574 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 627 10406 4 4955 15019 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:92:13:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82903sec preferred_lft 82903sec inet6 fe80::f816:3eff:fe92:1390/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:fd:ce:36:04:69 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-10574) 11/14/25 _x86_64_ (4 CPU) 17:16:44 LINUX RESTART (4 CPU) 17:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:30:28 5.92 0.56 4.89 0.47 455.69 629.60 6164.15 17:40:32 1.24 0.00 1.21 0.02 0.04 14.87 172.11 17:50:01 33.40 4.15 17.92 11.33 244.61 2289.83 257317.29 18:00:07 4.74 0.27 4.25 0.22 27.63 1564.80 27.80 18:10:08 5.78 0.38 5.14 0.27 11.67 687.30 86.94 Average: 9.92 1.03 6.54 2.34 149.21 1020.09 50042.06 17:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:30:28 13472632 15532836 481472 2.94 58596 2225900 1126972 6.47 403296 2246432 20 17:40:32 13471876 15532608 481680 2.94 59016 2226016 1127004 6.47 403712 2248316 4 17:50:01 11758196 14689964 1276764 7.80 107592 3007956 1701900 9.77 587700 3697364 247676 18:00:07 8599196 11749080 4213356 25.73 114972 3203092 4335664 24.89 700160 6723908 912 18:10:08 9273400 13094464 2864228 17.49 131848 3820308 3040768 17.45 790760 5914948 479280 Average: 11315060 14119790 1863500 11.38 94405 2896654 2266462 13.01 577126 4166194 145578 17:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:30:28 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 17:30:28 ens3 13.14 8.64 159.11 0.62 0.00 0.00 0.00 0.00 17:30:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:32 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:40:32 ens3 0.47 0.16 0.13 0.08 0.00 0.00 0.00 0.00 17:40:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 lo 0.32 0.32 0.04 0.04 0.00 0.00 0.00 0.00 17:50:01 ens3 72.82 55.27 690.89 10.54 0.00 0.00 0.00 0.00 17:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:07 lo 0.60 0.60 0.37 0.37 0.00 0.00 0.00 0.00 18:00:07 ens3 19.00 16.04 104.42 3.89 0.00 0.00 0.00 0.00 18:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:08 lo 94.38 94.38 89.60 89.60 0.00 0.00 0.00 0.00 18:10:08 ens3 35.41 26.27 408.08 3.73 0.00 0.00 0.00 0.00 18:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.10 19.10 18.00 18.00 0.00 0.00 0.00 0.00 Average: ens3 27.52 20.78 266.56 3.67 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-10574) 11/14/25 _x86_64_ (4 CPU) 17:16:44 LINUX RESTART (4 CPU) 17:20:01 CPU %user %nice %system %iowait %steal %idle 17:30:28 all 0.33 0.00 0.22 0.12 0.02 99.32 17:30:28 0 0.30 0.00 0.27 0.29 0.01 99.13 17:30:28 1 0.33 0.00 0.15 0.02 0.03 99.46 17:30:28 2 0.35 0.00 0.30 0.04 0.02 99.29 17:30:28 3 0.34 0.00 0.16 0.12 0.01 99.37 17:40:32 all 0.09 0.00 0.03 0.03 0.01 99.84 17:40:32 0 0.01 0.00 0.02 0.00 0.01 99.96 17:40:32 1 0.04 0.00 0.03 0.03 0.01 99.89 17:40:32 2 0.28 0.00 0.04 0.00 0.02 99.65 17:40:32 3 0.02 0.00 0.02 0.10 0.02 99.85 17:50:01 all 7.80 0.00 0.47 1.15 0.03 90.56 17:50:01 0 7.08 0.00 0.34 0.12 0.02 92.45 17:50:01 1 10.50 0.00 0.79 4.11 0.03 84.57 17:50:01 2 6.61 0.00 0.33 0.06 0.02 92.98 17:50:01 3 7.01 0.00 0.41 0.30 0.03 92.25 18:00:07 all 53.69 0.00 0.79 0.05 0.09 45.38 18:00:07 0 61.32 0.00 0.73 0.02 0.09 37.83 18:00:07 1 48.18 0.00 0.76 0.11 0.08 50.88 18:00:07 2 47.24 0.00 0.84 0.04 0.09 51.80 18:00:07 3 58.02 0.00 0.85 0.03 0.09 41.02 18:10:08 all 49.68 0.00 0.72 0.02 0.08 49.50 18:10:08 0 37.95 0.00 0.71 0.01 0.07 61.26 18:10:08 1 68.68 0.00 0.77 0.02 0.09 30.44 18:10:08 2 36.87 0.00 0.69 0.02 0.07 62.35 18:10:08 3 55.23 0.00 0.71 0.02 0.09 43.95 Average: all 22.30 0.00 0.44 0.26 0.04 76.95 Average: 0 21.33 0.00 0.41 0.09 0.04 78.13 Average: 1 25.51 0.00 0.49 0.81 0.05 73.14 Average: 2 18.25 0.00 0.44 0.03 0.04 81.24 Average: 3 24.12 0.00 0.43 0.11 0.05 75.30