---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-450304 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 13G 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 658 8501 4 6829 14988 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:ee:d7:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.219/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84235sec preferred_lft 84235sec inet6 fe80::f816:3eff:feee:d798/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:da:8b:4b:a3:41 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-450304) 03/12/26 _x86_64_ (4 CPU) 08:13:00 LINUX RESTART (4 CPU) 08:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:04 22.29 0.06 19.56 2.67 6.27 2166.83 13436.11 08:40:04 29.36 0.03 26.41 2.92 0.44 4467.19 15283.43 Average: 25.83 0.04 22.99 2.79 3.35 3317.01 14359.77 08:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:04 9102760 12945656 3010584 18.39 147340 3805612 3055256 17.54 864392 5999972 16244 08:40:04 6583168 11472996 4479124 27.36 162780 4791812 4520560 25.95 1157268 8185288 320 Average: 7842964 12209326 3744854 22.87 155060 4298712 3787908 21.74 1010830 7092630 8282 08:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:04 lo 1271.74 1271.74 1205.25 1205.25 0.00 0.00 0.00 0.00 08:30:04 ens3 44.82 33.87 28.46 11.94 0.00 0.00 0.00 0.00 08:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:04 lo 1232.54 1232.54 1169.11 1169.11 0.00 0.00 0.00 0.00 08:40:04 ens3 44.82 34.99 50.13 11.90 0.00 0.00 0.00 0.00 08:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1252.14 1252.14 1187.18 1187.18 0.00 0.00 0.00 0.00 Average: ens3 44.82 34.43 39.30 11.92 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-450304) 03/12/26 _x86_64_ (4 CPU) 08:13:00 LINUX RESTART (4 CPU) 08:20:04 CPU %user %nice %system %iowait %steal %idle 08:30:04 all 65.76 0.00 2.30 0.05 0.11 31.79 08:30:04 0 65.07 0.00 2.06 0.04 0.11 32.73 08:30:04 1 66.08 0.00 2.05 0.09 0.11 31.67 08:30:04 2 64.15 0.00 2.37 0.02 0.11 33.35 08:30:04 3 67.73 0.00 2.72 0.04 0.11 29.40 08:40:04 all 55.71 0.00 2.29 0.11 0.09 41.80 08:40:04 0 56.14 0.00 2.58 0.07 0.10 41.11 08:40:04 1 56.75 0.00 1.95 0.05 0.09 41.17 08:40:04 2 53.66 0.00 2.46 0.25 0.10 43.54 08:40:04 3 56.28 0.00 2.17 0.07 0.09 41.38 Average: all 60.73 0.00 2.30 0.08 0.10 36.79 Average: 0 60.60 0.00 2.32 0.05 0.10 36.93 Average: 1 61.41 0.00 2.00 0.07 0.10 36.42 Average: 2 58.91 0.00 2.41 0.14 0.10 38.44 Average: 3 62.01 0.00 2.45 0.05 0.10 35.39