---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5938 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: 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 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 9.1G 69G 12% / 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 600 11871 4 3517 15046 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:98:4e:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83327sec preferred_lft 83327sec inet6 fe80::f816:3eff:fe98:4e7e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:a9:43:66:7d:fd 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-5938) 11/04/25 _x86_64_ (4 CPU) 12:39:39 LINUX RESTART (4 CPU) 12:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:20 12.08 5.79 6.01 0.29 1323.10 4303.14 6927.61 13:00:30 1.18 0.00 1.16 0.02 0.04 13.67 0.13 13:10:30 1.27 0.00 1.26 0.01 0.00 13.92 0.12 13:20:30 13.56 11.94 1.59 0.03 135.89 30.23 0.27 13:30:28 63.82 5.04 46.27 12.51 287.57 4774.66 247455.49 Average: 18.26 4.55 11.17 2.54 354.46 1835.35 50312.76 12:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:20 13637576 15532892 484204 2.96 55524 2065124 1123340 6.45 313820 2169568 16 13:00:30 13637096 15532856 484348 2.96 55952 2065136 1123340 6.45 314248 2169888 48 13:10:30 13636088 15532224 484944 2.96 56316 2065144 1123340 6.45 314608 2170720 16 13:20:30 13575068 15521948 487580 2.98 60316 2104864 1123480 6.45 353656 2176268 28 13:30:28 12229904 15477008 485616 2.97 122876 3271844 982068 5.64 722348 3049524 29640 Average: 13343146 15519386 485338 2.96 70197 2314422 1095114 6.29 403736 2347194 5950 12:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:20 lo 0.18 0.18 0.02 0.02 0.00 0.00 0.00 0.00 12:50:20 ens3 20.34 12.46 123.13 2.20 0.00 0.00 0.00 0.00 12:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:30 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:00:30 ens3 0.22 0.09 0.04 0.02 0.00 0.00 0.00 0.00 13:00:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:30 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:10:30 ens3 0.17 0.07 0.04 0.02 0.00 0.00 0.00 0.00 13:10:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:30 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:20:30 ens3 0.19 0.09 0.05 0.02 0.00 0.00 0.00 0.00 13:20:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:28 lo 750.27 750.27 714.12 714.12 0.00 0.00 0.00 0.00 13:30:28 ens3 117.13 88.38 1025.38 16.40 0.00 0.00 0.00 0.00 13:30:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 148.34 148.34 141.11 141.11 0.00 0.00 0.00 0.00 Average: ens3 27.42 20.06 227.82 3.70 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-5938) 11/04/25 _x86_64_ (4 CPU) 12:39:39 LINUX RESTART (4 CPU) 12:40:00 CPU %user %nice %system %iowait %steal %idle 12:50:20 all 0.75 0.00 0.23 0.55 0.01 98.46 12:50:20 0 0.56 0.00 0.16 0.07 0.01 99.20 12:50:20 1 0.71 0.00 0.18 0.42 0.02 98.67 12:50:20 2 0.84 0.00 0.24 0.72 0.01 98.18 12:50:20 3 0.88 0.00 0.33 0.99 0.01 97.78 13:00:30 all 0.29 0.00 0.02 0.01 0.01 99.67 13:00:30 0 0.02 0.00 0.03 0.00 0.01 99.94 13:00:30 1 0.34 0.00 0.01 0.02 0.01 99.61 13:00:30 2 0.76 0.00 0.02 0.00 0.01 99.21 13:00:30 3 0.02 0.00 0.03 0.00 0.01 99.94 13:10:30 all 0.17 0.00 0.02 0.01 0.01 99.80 13:10:30 0 0.02 0.00 0.03 0.01 0.01 99.94 13:10:30 1 0.01 0.00 0.01 0.02 0.01 99.95 13:10:30 2 0.61 0.00 0.02 0.00 0.02 99.34 13:10:30 3 0.02 0.00 0.02 0.01 0.01 99.95 13:20:30 all 0.09 0.08 0.04 0.06 0.01 99.73 13:20:30 0 0.02 0.00 0.04 0.04 0.01 99.89 13:20:30 1 0.02 0.00 0.01 0.01 0.01 99.96 13:20:30 2 0.27 0.30 0.09 0.20 0.01 99.14 13:20:30 3 0.05 0.01 0.02 0.01 0.01 99.91 13:30:28 all 31.02 0.00 1.43 0.35 0.06 67.14 13:30:28 0 28.81 0.00 1.20 0.14 0.06 69.79 13:30:28 1 29.84 0.00 1.59 0.64 0.05 67.88 13:30:28 2 35.04 0.00 1.52 0.24 0.06 63.15 13:30:28 3 30.39 0.00 1.42 0.39 0.06 67.75 Average: all 6.38 0.01 0.35 0.20 0.02 93.04 Average: 0 5.82 0.00 0.29 0.05 0.02 93.82 Average: 1 6.10 0.00 0.36 0.22 0.02 93.30 Average: 2 7.40 0.06 0.37 0.23 0.02 91.91 Average: 3 6.20 0.00 0.36 0.28 0.02 93.13