---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-732 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 11G 68G 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 660 10451 4 4877 14985 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:21:ad:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84241sec preferred_lft 84241sec inet6 fe80::f816:3eff:fe21:ade7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:f6:cd:42:25:b1 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-732) 07/31/26 _x86_64_ (4 CPU) 01:09:35 LINUX RESTART (4 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 39.59 8.05 30.90 0.64 1266.75 3240.85 1856.12 01:30:25 13.52 1.95 10.61 0.96 125.74 2895.57 2093.23 01:40:21 30.41 0.94 24.94 4.53 33.62 4226.74 3385.90 Average: 27.64 3.63 21.99 2.02 471.62 3444.78 2437.93 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 12995944 15516508 450360 2.75 100996 2601440 996064 5.72 376120 2666072 280 01:30:25 10062632 13551572 2406732 14.70 140072 3447872 2765560 15.87 615868 5290528 32820 01:40:21 10763316 15397192 553656 3.38 174288 4475732 1114224 6.40 934436 4173064 80560 Average: 11273964 14821757 1136916 6.94 138452 3508348 1625283 9.33 642141 4043221 37887 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 0.31 0.31 0.03 0.03 0.00 0.00 0.00 0.00 01:20:01 ens3 71.10 55.01 541.13 10.57 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:25 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 01:30:25 ens3 100.16 78.43 567.81 19.46 0.00 0.00 0.00 0.00 01:30:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:21 lo 1741.82 1741.82 1660.77 1660.77 0.00 0.00 0.00 0.00 01:40:21 ens3 86.71 66.03 431.60 17.43 0.00 0.00 0.00 0.00 01:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 570.27 570.27 543.29 543.29 0.00 0.00 0.00 0.00 Average: ens3 86.19 66.66 514.46 15.87 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-732) 07/31/26 _x86_64_ (4 CPU) 01:09:35 LINUX RESTART (4 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 3.26 0.00 0.47 0.30 0.03 95.94 01:20:01 0 1.90 0.00 0.39 0.21 0.02 97.48 01:20:01 1 5.98 0.00 0.60 0.14 0.03 93.26 01:20:01 2 2.12 0.00 0.37 0.05 0.03 97.43 01:20:01 3 3.05 0.00 0.52 0.82 0.03 95.58 01:30:25 all 65.06 0.00 2.14 0.05 0.09 32.66 01:30:25 0 64.28 0.00 1.97 0.03 0.09 33.63 01:30:25 1 65.29 0.00 2.26 0.07 0.09 32.29 01:30:25 2 65.19 0.00 1.89 0.03 0.09 32.80 01:30:25 3 65.47 0.00 2.43 0.06 0.09 31.94 01:40:21 all 66.47 0.00 2.92 0.12 0.09 30.40 01:40:21 0 66.80 0.00 2.83 0.11 0.09 30.17 01:40:21 1 66.58 0.00 3.01 0.20 0.09 30.12 01:40:21 2 67.37 0.00 2.52 0.09 0.09 29.94 01:40:21 3 65.11 0.00 3.33 0.09 0.09 31.37 Average: all 45.11 0.00 1.84 0.16 0.07 52.82 Average: 0 44.52 0.00 1.73 0.12 0.07 53.57 Average: 1 46.11 0.00 1.96 0.13 0.07 51.73 Average: 2 45.05 0.00 1.59 0.05 0.07 53.24 Average: 3 44.75 0.00 2.10 0.32 0.07 52.76