---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38131 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: 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 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 66G 16% / 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 659 9064 4 6265 14986 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:74:75:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84517sec preferred_lft 84517sec inet6 fe80::f816:3eff:fe74:7543/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:e6:92:73:48:cb 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-38131) 08/16/26 _x86_64_ (4 CPU) 05:12:25 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:08 11.64 0.02 9.85 1.76 0.82 721.54 21205.47 05:40:08 38.78 0.20 34.11 4.46 6.04 8354.72 26179.03 Average: 25.13 0.11 21.91 3.11 3.41 4516.43 23678.11 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:08 9533000 13346624 2609824 15.94 137512 3782416 2888832 16.58 705428 5715584 6332 05:40:08 6865828 12933804 3010732 18.39 178860 5885220 3051800 17.52 1601520 7364096 9472 Average: 8199414 13140214 2810278 17.16 158186 4833818 2970316 17.05 1153474 6539840 7902 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:08 lo 54.70 54.70 13.39 13.39 0.00 0.00 0.00 0.00 05:30:08 ens3 7.88 7.09 8.05 2.22 0.00 0.00 0.00 0.00 05:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:08 lo 2614.13 2614.13 2510.82 2510.82 0.00 0.00 0.00 0.00 05:40:08 ens3 73.37 56.82 501.68 14.04 0.00 0.00 0.00 0.00 05:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1327.14 1327.14 1255.01 1255.01 0.00 0.00 0.00 0.00 Average: ens3 40.44 31.81 253.46 8.10 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-38131) 08/16/26 _x86_64_ (4 CPU) 05:12:25 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:08 all 17.75 0.00 0.85 0.07 0.09 81.25 05:30:08 0 18.03 0.00 0.88 0.08 0.09 80.93 05:30:08 1 17.85 0.00 0.83 0.03 0.09 81.20 05:30:08 2 17.32 0.00 0.86 0.13 0.09 81.61 05:30:08 3 17.80 0.00 0.82 0.03 0.09 81.26 05:40:08 all 53.88 0.00 2.93 0.14 0.07 42.98 05:40:08 0 50.47 0.00 2.94 0.31 0.08 46.21 05:40:08 1 54.06 0.00 2.78 0.09 0.07 42.99 05:40:08 2 56.91 0.00 3.01 0.06 0.07 39.95 05:40:08 3 54.10 0.00 2.98 0.10 0.07 42.75 Average: all 35.70 0.00 1.88 0.10 0.08 62.24 Average: 0 34.15 0.00 1.90 0.19 0.08 63.68 Average: 1 35.82 0.00 1.80 0.06 0.08 62.24 Average: 2 37.00 0.00 1.93 0.10 0.08 60.90 Average: 3 35.83 0.00 1.90 0.06 0.08 62.13