---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3204 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 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 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 695 10416 4 4877 14951 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:21:ac:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83571sec preferred_lft 83571sec inet6 fe80::f816:3eff:fe21:ac8f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:2a:74:07:34:e8 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-3204) 08/07/26 _x86_64_ (4 CPU) 15:08:06 LINUX RESTART (4 CPU) 15:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:01 12.97 0.92 11.72 0.33 38.21 1660.56 481.31 15:30:16 9.40 1.84 7.20 0.36 119.64 2047.34 762.12 15:40:01 10.63 0.51 9.04 1.08 20.60 1994.52 2663.22 15:50:01 26.53 0.55 21.79 4.19 20.97 3864.86 4505.68 Average: 14.87 0.96 12.42 1.49 50.48 2392.15 2091.08 15:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:01 13002480 15502092 472768 2.89 98580 2589924 991736 5.69 338152 2698252 360 15:30:16 10948884 14120516 1841704 11.25 123504 3188696 2152964 12.36 512840 4547796 22828 15:40:01 9496624 13288576 2667592 16.29 154096 3714896 2897436 16.63 675808 5765812 71720 15:50:01 10754600 15384240 567484 3.47 177356 4481584 1090624 6.26 902360 4214844 924 Average: 11050647 14573856 1387387 8.47 138384 3493775 1783190 10.24 607290 4306676 23958 15:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:01 lo 0.23 0.23 0.02 0.02 0.00 0.00 0.00 0.00 15:20:01 ens3 26.16 21.32 288.00 3.50 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:16 lo 0.57 0.57 0.05 0.05 0.00 0.00 0.00 0.00 15:30:16 ens3 77.93 63.70 713.46 11.29 0.00 0.00 0.00 0.00 15:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:01 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 15:40:01 ens3 68.93 53.90 107.93 18.14 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 lo 3932.99 3932.99 3752.91 3752.91 0.00 0.00 0.00 0.00 15:50:01 ens3 61.76 45.75 362.16 31.17 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 983.79 983.79 938.28 938.28 0.00 0.00 0.00 0.00 Average: ens3 58.75 46.23 371.71 15.98 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-3204) 08/07/26 _x86_64_ (4 CPU) 15:08:06 LINUX RESTART (4 CPU) 15:10:01 CPU %user %nice %system %iowait %steal %idle 15:20:01 all 1.31 0.00 0.18 0.25 0.02 98.25 15:20:01 0 0.15 0.00 0.14 0.09 0.02 99.61 15:20:01 1 2.64 0.00 0.26 0.10 0.03 96.98 15:20:01 2 1.30 0.00 0.22 0.78 0.02 97.68 15:20:01 3 1.15 0.00 0.09 0.03 0.01 98.73 15:30:16 all 28.50 0.00 0.96 0.09 0.06 70.39 15:30:16 0 27.27 0.00 0.95 0.07 0.06 71.65 15:30:16 1 28.40 0.00 0.88 0.11 0.06 70.54 15:30:16 2 29.84 0.00 1.22 0.09 0.06 68.79 15:30:16 3 28.50 0.00 0.78 0.08 0.05 70.59 15:40:01 all 69.63 0.00 2.27 0.10 0.12 27.88 15:40:01 0 70.34 0.00 2.28 0.18 0.11 27.08 15:40:01 1 68.78 0.00 2.33 0.13 0.12 28.65 15:40:01 2 68.38 0.00 2.28 0.06 0.11 29.17 15:40:01 3 71.03 0.00 2.18 0.05 0.12 26.62 15:50:01 all 36.01 0.00 2.71 13.21 0.09 47.97 15:50:01 0 36.53 0.00 2.74 7.47 0.09 53.17 15:50:01 1 36.55 0.00 2.63 11.44 0.10 49.29 15:50:01 2 36.76 0.00 2.82 9.83 0.10 50.50 15:50:01 3 34.21 0.00 2.67 24.12 0.08 38.92 Average: all 33.58 0.00 1.52 3.40 0.07 61.43 Average: 0 33.28 0.00 1.52 1.95 0.07 63.19 Average: 1 33.82 0.00 1.52 2.93 0.08 61.65 Average: 2 33.81 0.00 1.62 2.68 0.07 61.82 Average: 3 33.42 0.00 1.42 6.04 0.07 59.05