---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16591 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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 conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: 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 762 9359 4 5867 14883 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:0d:12:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83112sec preferred_lft 83112sec inet6 fe80::f816:3eff:fe0d:1231/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:04:44:ae:b7:2d 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-16591) 12/26/25 _x86_64_ (4 CPU) 20:08:55 LINUX RESTART (4 CPU) 20:10:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:29 5.20 0.42 4.40 0.38 403.37 643.46 15231.15 20:30:01 38.69 4.54 33.34 0.81 270.43 3314.28 1138.23 20:40:13 24.70 0.43 21.29 2.98 15.22 4561.61 8286.08 20:50:13 52.68 0.00 41.59 11.09 0.00 2563.34 24936.93 21:00:01 25.72 0.14 21.19 4.39 6.59 4756.50 7350.25 Average: 29.30 1.07 24.27 3.95 137.89 3166.40 11485.27 20:10:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:29 13521500 15514592 499904 3.05 58544 2159028 1158108 6.65 322584 2264564 16 20:30:01 10959740 13873184 2090844 12.77 119068 2968128 2539244 14.58 590888 4500668 44208 20:40:13 8887884 13172472 2779752 16.98 184728 4157488 3083344 17.70 884040 6148572 130520 20:50:13 8594852 13099920 2849000 17.40 211688 4321564 3306888 18.98 960896 6333456 20724 21:00:01 9737124 15376748 567220 3.46 244800 5366124 1121220 6.44 1337184 4733836 240 Average: 10340220 14207383 1757344 10.73 163766 3794466 2241761 12.87 819118 4796219 39142 20:10:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:29 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 20:20:29 ens3 9.17 4.68 215.20 0.40 0.00 0.00 0.00 0.00 20:20:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 0.52 0.52 0.06 0.06 0.00 0.00 0.00 0.00 20:30:01 ens3 85.07 66.18 671.08 15.55 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:13 lo 1218.83 1218.83 1161.26 1161.26 0.00 0.00 0.00 0.00 20:40:13 ens3 89.86 65.78 296.90 19.86 0.00 0.00 0.00 0.00 20:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:13 lo 5573.60 5573.60 5312.95 5312.95 0.00 0.00 0.00 0.00 20:50:13 ens3 74.14 56.50 26.46 20.09 0.00 0.00 0.00 0.00 20:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 1795.02 1795.02 1696.11 1696.11 0.00 0.00 0.00 0.00 21:00:01 ens3 103.24 100.22 141.90 167.47 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1730.61 1730.61 1646.49 1646.49 0.00 0.00 0.00 0.00 Average: ens3 72.13 58.47 267.14 44.39 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-16591) 12/26/25 _x86_64_ (4 CPU) 20:08:55 LINUX RESTART (4 CPU) 20:10:29 CPU %user %nice %system %iowait %steal %idle 20:20:29 all 0.41 0.00 0.13 0.10 0.03 99.33 20:20:29 0 0.44 0.00 0.15 0.24 0.01 99.15 20:20:29 1 0.39 0.00 0.13 0.04 0.02 99.42 20:20:29 2 0.39 0.00 0.10 0.10 0.03 99.38 20:20:29 3 0.42 0.00 0.14 0.04 0.03 99.36 20:30:01 all 18.43 0.00 0.80 0.28 0.05 80.44 20:30:01 0 18.40 0.00 0.96 0.51 0.04 80.09 20:30:01 1 17.01 0.00 0.68 0.09 0.05 82.17 20:30:01 2 17.25 0.00 0.81 0.44 0.05 81.46 20:30:01 3 21.05 0.00 0.76 0.10 0.04 78.05 20:40:13 all 66.93 0.00 2.88 0.06 0.08 30.05 20:40:13 0 65.19 0.00 2.80 0.06 0.08 31.86 20:40:13 1 67.74 0.00 3.12 0.10 0.08 28.96 20:40:13 2 67.24 0.00 2.49 0.04 0.08 30.15 20:40:13 3 67.54 0.00 3.11 0.04 0.08 29.23 20:50:13 all 61.99 0.00 4.39 0.11 0.08 33.42 20:50:13 0 60.98 0.00 3.77 0.13 0.08 35.03 20:50:13 1 62.55 0.00 4.54 0.12 0.08 32.71 20:50:13 2 61.44 0.00 4.71 0.09 0.08 33.68 20:50:13 3 62.97 0.00 4.56 0.10 0.08 32.28 21:00:01 all 44.64 0.00 2.38 0.13 0.08 52.77 21:00:01 0 44.57 0.00 2.44 0.22 0.07 52.70 21:00:01 1 42.72 0.00 2.52 0.17 0.07 54.52 21:00:01 2 46.61 0.00 2.43 0.04 0.08 50.84 21:00:01 3 44.68 0.00 2.13 0.08 0.08 53.02 Average: all 38.72 0.00 2.13 0.14 0.06 58.96 Average: 0 38.14 0.00 2.03 0.23 0.06 59.54 Average: 1 38.33 0.00 2.21 0.10 0.06 59.29 Average: 2 38.85 0.00 2.12 0.14 0.06 58.84 Average: 3 39.56 0.00 2.15 0.07 0.06 58.15