---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1964 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 67G 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 722 9641 4 5625 14923 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:a2:97:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.226/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84556sec preferred_lft 84556sec inet6 fe80::f816:3eff:fea2:97e2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:1f:1e:b6:37:71 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1964) 04/11/26 _x86_64_ (4 CPU) 06:28:20 LINUX RESTART (4 CPU) 06:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:03 26.25 2.72 21.82 1.71 149.19 5475.72 2736.91 06:50:10 33.94 0.05 30.43 3.46 1.58 3275.08 29749.69 Average: 30.11 1.38 26.14 2.59 74.97 4369.29 16318.29 06:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:03 9490780 13211620 2744296 16.76 154528 3661064 3048164 17.50 725440 5737288 26868 06:50:10 8415648 13126100 2824392 17.25 189524 4552088 3093804 17.76 935320 6516940 412908 Average: 8953214 13168860 2784344 17.01 172026 4106576 3070984 17.63 830380 6127114 219888 06:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:03 lo 606.49 606.49 577.90 577.90 0.00 0.00 0.00 0.00 06:40:03 ens3 107.42 83.24 917.89 17.93 0.00 0.00 0.00 0.00 06:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:10 lo 1609.06 1609.06 1533.98 1533.98 0.00 0.00 0.00 0.00 06:50:10 ens3 58.73 44.67 194.01 13.35 0.00 0.00 0.00 0.00 06:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1110.56 1110.56 1058.59 1058.59 0.00 0.00 0.00 0.00 Average: ens3 82.94 63.85 553.94 15.63 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1964) 04/11/26 _x86_64_ (4 CPU) 06:28:20 LINUX RESTART (4 CPU) 06:30:03 CPU %user %nice %system %iowait %steal %idle 06:40:03 all 53.37 0.00 1.88 0.07 0.08 44.60 06:40:03 0 54.13 0.00 1.89 0.08 0.08 43.82 06:40:03 1 53.47 0.00 2.12 0.08 0.08 44.26 06:40:03 2 53.37 0.00 1.79 0.08 0.08 44.68 06:40:03 3 52.51 0.00 1.71 0.06 0.08 45.64 06:50:10 all 57.96 0.00 2.44 0.07 0.09 39.44 06:50:10 0 56.92 0.00 2.45 0.10 0.09 40.44 06:50:10 1 57.39 0.00 2.48 0.06 0.09 39.98 06:50:10 2 57.86 0.00 2.40 0.08 0.09 39.56 06:50:10 3 59.67 0.00 2.43 0.03 0.09 37.78 Average: all 55.68 0.00 2.16 0.07 0.09 42.01 Average: 0 55.53 0.00 2.17 0.09 0.09 42.12 Average: 1 55.44 0.00 2.30 0.07 0.09 42.11 Average: 2 55.62 0.00 2.10 0.08 0.09 42.11 Average: 3 56.11 0.00 2.07 0.04 0.08 41.69