---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-41278 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 12G 66G 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 687 9354 4 5947 14958 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:f7:bf:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.106/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84736sec preferred_lft 84736sec inet6 fe80::f816:3eff:fef7:bf56/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:f9:29:75:3b:3a 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-41278) 08/26/26 _x86_64_ (4 CPU) 15:26:26 LINUX RESTART (4 CPU) 15:30:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 17.64 0.10 14.43 3.11 4.45 1107.88 39628.21 15:50:05 25.80 0.18 22.06 3.56 5.28 1997.72 27339.28 Average: 21.78 0.14 18.30 3.34 4.88 1559.03 33397.66 15:30:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 9438332 12985240 2972720 18.16 128704 3535400 3122208 17.92 667760 5866808 284 15:50:05 8488592 12983216 2969604 18.14 149180 4419460 2963236 17.01 1009748 6436644 532924 Average: 8963462 12984228 2971162 18.15 138942 3977430 3042722 17.47 838754 6151726 266604 15:30:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 31.13 31.13 7.40 7.40 0.00 0.00 0.00 0.00 15:40:01 ens3 12.07 9.79 12.64 2.79 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 15:50:05 lo 1585.78 1585.78 1488.65 1488.65 0.00 0.00 0.00 0.00 15:50:05 ens3 47.49 36.29 368.75 6.76 0.00 0.00 0.00 0.00 15:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 819.34 819.34 758.41 758.41 0.00 0.00 0.00 0.00 Average: ens3 30.03 23.22 193.19 4.80 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-41278) 08/26/26 _x86_64_ (4 CPU) 15:26:26 LINUX RESTART (4 CPU) 15:30:13 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 27.98 0.00 1.03 0.09 0.09 70.81 15:40:01 0 28.89 0.00 1.19 0.03 0.09 69.81 15:40:01 1 26.70 0.00 0.97 0.04 0.09 72.20 15:40:01 2 28.11 0.00 0.97 0.15 0.09 70.67 15:40:01 3 28.22 0.00 0.99 0.12 0.09 70.57 15:50:05 all 39.60 0.00 2.01 0.05 0.10 58.23 15:50:05 0 40.34 0.00 1.93 0.05 0.10 57.58 15:50:05 1 38.24 0.00 1.91 0.04 0.09 59.71 15:50:05 2 40.08 0.00 2.41 0.09 0.10 57.32 15:50:05 3 39.74 0.00 1.80 0.02 0.10 58.34 Average: all 33.88 0.00 1.53 0.07 0.09 64.43 Average: 0 34.70 0.00 1.57 0.04 0.10 63.60 Average: 1 32.55 0.00 1.45 0.04 0.09 65.87 Average: 2 34.18 0.00 1.70 0.12 0.10 63.90 Average: 3 34.07 0.00 1.40 0.07 0.09 64.37