---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65122 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: 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 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 759 9670 4 5559 14887 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:b5:23:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84755sec preferred_lft 84755sec inet6 fe80::f816:3eff:feb5:23a3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:78:08:8f:d2:80 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-65122) 04/01/26 _x86_64_ (4 CPU) 12:58:06 LINUX RESTART (4 CPU) 13:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:01 28.69 2.59 24.10 2.00 145.84 5531.76 9048.54 13:20:38 31.70 0.05 28.53 3.13 1.53 6006.11 15557.72 Average: 30.24 1.28 26.38 2.58 71.56 5775.94 12399.30 13:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:01 9705544 13366572 2590000 15.82 153220 3601820 2746140 15.76 705544 5539756 28928 13:20:38 7661376 12751360 3198400 19.53 186008 4923376 3274020 18.79 1013032 7199524 20424 Average: 8683460 13058966 2894200 17.68 169614 4262598 3010080 17.28 859288 6369640 24676 13:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:01 lo 921.28 921.28 877.84 877.84 0.00 0.00 0.00 0.00 13:10:01 ens3 86.96 62.65 566.38 12.54 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:38 lo 1258.84 1258.84 1199.58 1199.58 0.00 0.00 0.00 0.00 13:20:38 ens3 34.31 29.46 214.99 7.42 0.00 0.00 0.00 0.00 13:20:38 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1095.05 1095.05 1043.47 1043.47 0.00 0.00 0.00 0.00 Average: ens3 59.86 45.56 385.50 9.90 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-65122) 04/01/26 _x86_64_ (4 CPU) 12:58:06 LINUX RESTART (4 CPU) 13:00:01 CPU %user %nice %system %iowait %steal %idle 13:10:01 all 67.02 0.00 2.19 0.16 0.11 30.53 13:10:01 0 67.27 0.00 2.28 0.19 0.11 30.15 13:10:01 1 66.95 0.00 2.10 0.12 0.11 30.72 13:10:01 2 67.60 0.00 2.19 0.18 0.11 29.94 13:10:01 3 66.26 0.00 2.19 0.14 0.11 31.30 13:20:38 all 55.45 0.00 2.34 1.10 0.14 40.97 13:20:38 0 55.57 0.00 2.46 0.70 0.14 41.14 13:20:38 1 52.71 0.00 2.21 1.72 0.13 43.23 13:20:38 2 54.16 0.00 2.22 1.07 0.14 42.42 13:20:38 3 59.39 0.00 2.46 0.92 0.14 37.09 Average: all 61.08 0.00 2.27 0.64 0.12 35.89 Average: 0 61.26 0.00 2.37 0.45 0.13 35.79 Average: 1 59.63 0.00 2.16 0.94 0.12 37.15 Average: 2 60.70 0.00 2.20 0.63 0.12 36.34 Average: 3 62.74 0.00 2.33 0.54 0.12 34.27