---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12538 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: 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 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 616 10063 4 5309 15030 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:ed:33:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.224/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84291sec preferred_lft 84291sec inet6 fe80::f816:3eff:feed:33b7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:a0:00:27:38:3e 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-12538) 12/11/25 _x86_64_ (4 CPU) 08:31:56 LINUX RESTART (4 CPU) 08:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:01 44.31 0.03 37.58 6.71 0.66 1707.69 134978.87 09:00:01 26.01 0.15 22.09 3.77 4.97 2022.00 30195.05 Average: 35.11 0.09 29.79 5.23 2.83 1865.71 82299.57 08:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:01 9798852 13156160 2802848 17.12 151492 3342088 3065464 17.60 730864 5467376 220 09:00:01 9281912 13074384 2881124 17.60 170420 3726668 2996852 17.20 868264 5818692 26616 Average: 9540382 13115272 2841986 17.36 160956 3534378 3031158 17.40 799564 5643034 13418 08:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:01 lo 37.55 37.55 8.71 8.71 0.00 0.00 0.00 0.00 08:50:01 ens3 14.64 12.21 14.07 4.39 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 1527.07 1527.07 1436.18 1436.18 0.00 0.00 0.00 0.00 09:00:01 ens3 47.99 36.23 261.99 9.99 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 786.40 786.40 726.36 726.36 0.00 0.00 0.00 0.00 Average: ens3 31.40 24.29 138.71 7.20 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-12538) 12/11/25 _x86_64_ (4 CPU) 08:31:56 LINUX RESTART (4 CPU) 08:40:07 CPU %user %nice %system %iowait %steal %idle 08:50:01 all 27.58 0.00 1.13 0.69 0.08 70.53 08:50:01 0 26.98 0.00 1.28 0.48 0.08 71.19 08:50:01 1 28.01 0.00 1.15 0.40 0.08 70.37 08:50:01 2 27.94 0.00 0.98 0.22 0.08 70.79 08:50:01 3 27.38 0.00 1.10 1.67 0.08 69.78 09:00:01 all 39.73 0.00 2.09 0.09 0.09 58.00 09:00:01 0 39.00 0.00 2.12 0.13 0.09 58.66 09:00:01 1 38.33 0.00 1.94 0.12 0.09 59.53 09:00:01 2 41.05 0.00 2.31 0.05 0.09 56.50 09:00:01 3 40.52 0.00 2.00 0.07 0.09 57.33 Average: all 33.68 0.00 1.61 0.39 0.08 64.23 Average: 0 33.02 0.00 1.70 0.30 0.08 64.89 Average: 1 33.19 0.00 1.54 0.26 0.08 64.92 Average: 2 34.53 0.00 1.65 0.13 0.08 63.60 Average: 3 33.98 0.00 1.55 0.86 0.08 63.52