---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1860 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 661 9332 4 5995 14985 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:d1:fa:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82957sec preferred_lft 82957sec inet6 fe80::f816:3eff:fed1:fade/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:8d:5c:e8:e7:bd 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-1860) 10/25/25 _x86_64_ (4 CPU) 00:38:19 LINUX RESTART (4 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 15.39 0.65 4.23 10.51 539.23 661.27 246490.03 01:00:01 1.31 0.01 1.29 0.02 0.04 14.97 0.17 01:10:01 35.27 4.55 29.97 0.76 271.68 4318.09 1516.50 01:20:00 16.43 0.06 13.37 2.99 2.71 1108.19 39452.21 01:30:01 25.87 0.19 21.91 3.77 4.71 2225.53 26262.28 Average: 18.86 1.09 14.15 3.61 163.72 1665.75 62766.06 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 13481076 15520544 494244 3.02 57588 2206060 1135532 6.52 384496 2250128 176 01:00:01 13480956 15520884 493884 3.02 58060 2206068 1135596 6.52 384936 2251140 204 01:10:01 10394260 13729852 2231672 13.63 113088 3369112 2872352 16.49 795924 4827712 28960 01:20:00 9135876 12700892 3257872 19.90 129700 3561028 3402624 19.53 854436 5988844 440 01:30:01 7995252 12820388 3132092 19.13 154972 4735620 3094684 17.76 1265660 6634464 773836 Average: 10897484 14058512 1921953 11.74 102682 3215578 2328158 13.36 737090 4390458 160723 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 00:50:01 ens3 7.47 3.03 125.87 0.31 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 01:00:01 ens3 1.18 0.14 0.20 0.06 0.00 0.00 0.00 0.00 01:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:10:01 lo 0.43 0.43 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 91.08 69.39 738.99 14.81 0.00 0.00 0.00 0.00 01:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:20:00 lo 35.91 35.91 8.57 8.57 0.00 0.00 0.00 0.00 01:20:00 ens3 10.36 9.43 12.19 3.39 0.00 0.00 0.00 0.00 01:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:01 lo 1534.55 1534.55 1443.32 1443.32 0.00 0.00 0.00 0.00 01:30:01 ens3 57.75 45.70 323.25 12.30 0.00 0.00 0.00 0.00 01:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 314.64 314.64 290.79 290.79 0.00 0.00 0.00 0.00 Average: ens3 33.58 25.55 240.16 6.18 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-1860) 10/25/25 _x86_64_ (4 CPU) 00:38:19 LINUX RESTART (4 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.50 0.00 0.15 0.56 0.01 98.78 00:50:01 0 0.30 0.00 0.11 0.66 0.01 98.92 00:50:01 1 0.55 0.00 0.16 0.34 0.01 98.95 00:50:01 2 0.36 0.00 0.18 0.81 0.02 98.64 00:50:01 3 0.79 0.00 0.14 0.43 0.01 98.63 01:00:01 all 0.20 0.00 0.03 0.07 0.01 99.69 01:00:01 0 0.12 0.00 0.04 0.00 0.01 99.82 01:00:01 1 0.14 0.00 0.03 0.00 0.01 99.81 01:00:01 2 0.50 0.00 0.03 0.02 0.02 99.44 01:00:01 3 0.04 0.00 0.04 0.24 0.01 99.67 01:10:01 all 15.64 0.00 0.88 0.45 0.04 82.98 01:10:01 0 15.74 0.00 0.85 0.23 0.04 83.15 01:10:01 1 17.09 0.00 1.29 0.60 0.04 80.99 01:10:01 2 14.26 0.00 0.52 0.20 0.04 84.98 01:10:01 3 15.48 0.00 0.88 0.79 0.04 82.80 01:20:00 all 26.92 0.00 0.93 0.14 0.09 71.91 01:20:00 0 27.17 0.00 0.94 0.06 0.09 71.74 01:20:00 1 27.44 0.00 0.86 0.17 0.09 71.44 01:20:00 2 26.08 0.00 0.94 0.10 0.10 72.79 01:20:00 3 27.00 0.00 0.97 0.24 0.09 71.70 01:30:01 all 40.13 0.00 1.95 0.17 0.10 57.66 01:30:01 0 40.14 0.00 1.78 0.18 0.10 57.80 01:30:01 1 38.52 0.00 1.91 0.11 0.09 59.37 01:30:01 2 41.40 0.00 2.06 0.21 0.10 56.24 01:30:01 3 40.47 0.00 2.03 0.19 0.10 57.21 Average: all 16.66 0.00 0.79 0.28 0.05 82.22 Average: 0 16.68 0.00 0.74 0.22 0.05 82.30 Average: 1 16.73 0.00 0.85 0.24 0.05 82.13 Average: 2 16.50 0.00 0.74 0.27 0.05 82.44 Average: 3 16.74 0.00 0.81 0.38 0.05 82.02