---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-231 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 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 8.6G 69G 12% / 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 558 12437 4 2992 15101 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:ac:ad:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82692sec preferred_lft 82692sec inet6 fe80::f816:3eff:feac:ad72/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:35:e1:c9:99:e4 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-231) 01/14/26 _x86_64_ (4 CPU) 12:35:19 LINUX RESTART (4 CPU) 12:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:19 7.21 0.44 6.11 0.67 574.12 899.22 13142.74 13:00:03 1.44 0.01 1.43 0.00 0.04 17.03 0.44 13:10:11 1.49 0.00 1.49 0.00 0.35 16.54 0.00 13:20:03 1.27 0.00 1.27 0.00 0.01 14.10 0.00 13:30:09 14.42 0.00 1.43 12.99 0.15 16.23 238471.54 Average: 5.21 0.09 2.36 2.76 117.05 195.88 50848.87 12:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:19 12842016 15545372 435220 2.66 96572 2802744 969964 5.57 530152 2682960 24 13:00:03 12841864 15545792 434812 2.66 97140 2802728 968840 5.56 530720 2681340 192 13:10:11 12842328 15547028 433540 2.65 97672 2802972 968968 5.56 531248 2683240 16 13:20:03 12841132 15546228 434276 2.65 98032 2802984 968968 5.56 531624 2683956 184 13:30:09 12837128 15547660 432900 2.64 98644 2807792 968968 5.56 536956 2684840 40 Average: 12840894 15546416 434150 2.65 97612 2803844 969142 5.56 532140 2683267 91 12:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:19 lo 0.16 0.16 0.02 0.02 0.00 0.00 0.00 0.00 12:50:19 ens3 25.46 12.82 264.02 0.91 0.00 0.00 0.00 0.00 12:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:00:03 ens3 0.29 0.08 0.05 0.02 0.00 0.00 0.00 0.00 13:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:10:11 ens3 0.35 0.12 0.10 0.06 0.00 0.00 0.00 0.00 13:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:20:03 ens3 0.24 0.08 0.04 0.02 0.00 0.00 0.00 0.00 13:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:09 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:30:09 ens3 0.21 0.07 0.04 0.02 0.00 0.00 0.00 0.00 13:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 5.40 2.68 53.82 0.21 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-231) 01/14/26 _x86_64_ (4 CPU) 12:35:19 LINUX RESTART (4 CPU) 12:40:08 CPU %user %nice %system %iowait %steal %idle 12:50:19 all 0.51 0.00 0.27 0.14 0.01 99.06 12:50:19 0 0.45 0.00 0.21 0.28 0.01 99.05 12:50:19 1 0.75 0.00 0.21 0.08 0.02 98.95 12:50:19 2 0.54 0.00 0.30 0.06 0.01 99.09 12:50:19 3 0.33 0.00 0.37 0.15 0.01 99.14 13:00:03 all 0.06 0.00 0.02 0.03 0.01 99.87 13:00:03 0 0.13 0.00 0.02 0.05 0.01 99.79 13:00:03 1 0.05 0.00 0.04 0.07 0.01 99.83 13:00:03 2 0.05 0.00 0.02 0.00 0.01 99.92 13:00:03 3 0.01 0.00 0.02 0.00 0.01 99.96 13:10:11 all 0.07 0.00 0.02 0.01 0.01 99.89 13:10:11 0 0.01 0.00 0.01 0.02 0.01 99.95 13:10:11 1 0.22 0.00 0.02 0.00 0.01 99.75 13:10:11 2 0.02 0.00 0.04 0.01 0.01 99.92 13:10:11 3 0.02 0.00 0.02 0.00 0.01 99.94 13:20:03 all 0.06 0.00 0.02 0.01 0.01 99.90 13:20:03 0 0.02 0.00 0.02 0.01 0.01 99.94 13:20:03 1 0.18 0.00 0.03 0.00 0.02 99.76 13:20:03 2 0.02 0.00 0.02 0.01 0.01 99.94 13:20:03 3 0.01 0.00 0.02 0.00 0.01 99.96 13:30:09 all 0.09 0.00 0.03 0.03 0.01 99.85 13:30:09 0 0.02 0.00 0.04 0.10 0.01 99.83 13:30:09 1 0.15 0.00 0.02 0.00 0.01 99.81 13:30:09 2 0.17 0.00 0.02 0.00 0.01 99.80 13:30:09 3 0.01 0.00 0.02 0.00 0.01 99.96 Average: all 0.16 0.00 0.07 0.04 0.01 99.71 Average: 0 0.13 0.00 0.06 0.09 0.01 99.71 Average: 1 0.27 0.00 0.06 0.03 0.01 99.62 Average: 2 0.16 0.00 0.08 0.02 0.01 99.73 Average: 3 0.08 0.00 0.09 0.03 0.01 99.79