---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31839 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: 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 13G 65G 17% / 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 675 8169 4 7144 14971 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:31:96:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83901sec preferred_lft 83901sec inet6 fe80::f816:3eff:fe31:965c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:d4:17:e2:38:6c 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-31839) 06/30/26 _x86_64_ (4 CPU) 12:54:31 LINUX RESTART (4 CPU) 13:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:10 23.94 0.44 20.63 2.88 19.59 2992.50 7819.51 13:20:00 35.80 0.01 32.09 3.70 0.14 2635.47 18369.72 13:30:03 4.86 0.02 4.54 0.30 0.32 2814.47 2513.40 Average: 21.44 0.16 19.00 2.28 6.76 2815.81 9501.07 13:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:10 9096560 12954644 3002788 18.34 140632 3824880 3264876 18.74 760492 6113564 93736 13:20:00 7789516 12199692 3753348 22.92 169180 4311048 3688652 21.17 921036 7203396 232104 13:30:03 7924276 12813524 3137920 19.17 170092 4776536 3063872 17.59 1090016 6875468 2172 Average: 8270117 12655953 3298019 20.14 159968 4304155 3339133 19.17 923848 6730809 109337 13:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:10 lo 1361.71 1361.71 1291.41 1291.41 0.00 0.00 0.00 0.00 13:10:10 ens3 54.69 41.54 76.09 13.33 0.00 0.00 0.00 0.00 13:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:00 lo 1573.31 1573.31 1499.36 1499.36 0.00 0.00 0.00 0.00 13:20:00 ens3 40.78 31.82 26.11 11.51 0.00 0.00 0.00 0.00 13:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:03 lo 2545.21 2545.21 9251.27 9251.27 0.00 0.00 0.00 0.00 13:30:03 ens3 12.60 9.41 8.28 3.46 0.00 0.00 0.00 0.00 13:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1827.53 1827.53 4025.97 4025.97 0.00 0.00 0.00 0.00 Average: ens3 36.03 27.59 36.99 9.43 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-31839) 06/30/26 _x86_64_ (4 CPU) 12:54:31 LINUX RESTART (4 CPU) 13:00:03 CPU %user %nice %system %iowait %steal %idle 13:10:10 all 66.03 0.00 2.37 0.29 0.13 31.18 13:10:10 0 66.26 0.00 2.16 0.17 0.13 31.28 13:10:10 1 66.90 0.00 2.59 0.83 0.13 29.55 13:10:10 2 65.70 0.00 2.35 0.10 0.13 31.72 13:10:10 3 65.27 0.00 2.39 0.05 0.12 32.17 13:20:00 all 64.53 0.00 2.63 0.07 0.10 32.67 13:20:00 0 64.00 0.00 2.79 0.05 0.10 33.05 13:20:00 1 64.54 0.00 2.76 0.04 0.11 32.55 13:20:00 2 63.06 0.00 2.32 0.12 0.11 34.40 13:20:00 3 66.53 0.00 2.63 0.07 0.10 30.67 13:30:03 all 31.68 0.00 1.21 0.04 0.08 67.00 13:30:03 0 35.70 0.00 1.00 0.09 0.07 63.13 13:30:03 1 30.16 0.00 1.43 0.00 0.08 68.33 13:30:03 2 28.51 0.00 1.09 0.02 0.08 70.29 13:30:03 3 32.34 0.00 1.33 0.02 0.08 66.23 Average: all 54.01 0.00 2.07 0.13 0.10 43.69 Average: 0 55.27 0.00 1.98 0.11 0.10 42.55 Average: 1 53.80 0.00 2.26 0.29 0.11 43.54 Average: 2 52.34 0.00 1.92 0.08 0.11 45.55 Average: 3 54.62 0.00 2.11 0.05 0.10 43.12