---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-450938 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 11G 67G 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 621 10077 4 5290 15025 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:6d:b2:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.110/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84658sec preferred_lft 84658sec inet6 fe80::f816:3eff:fe6d:b2b5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:18:44:89:6d:44 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-450938) 03/12/26 _x86_64_ (4 CPU) 09:49:39 LINUX RESTART (4 CPU) 09:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:11 99.62 10.84 80.29 8.49 1768.96 10120.17 110089.80 10:10:11 16.50 0.16 13.68 2.66 4.49 1359.72 29603.32 Average: 58.43 5.54 47.29 5.60 894.65 5779.30 70208.15 09:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:11 9408592 12844868 3115088 19.03 149244 3427284 4146752 23.80 790576 5803824 164 10:10:11 9150804 13005812 2951304 18.03 166948 3800936 3247292 18.64 896912 5921512 91480 Average: 9279698 12925340 3033196 18.53 158096 3614110 3697022 21.22 843744 5862668 45822 09:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:11 lo 16.50 16.50 3.57 3.57 0.00 0.00 0.00 0.00 10:00:11 ens3 137.58 99.85 1032.07 18.21 0.00 0.00 0.00 0.00 10:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:11 lo 690.72 690.72 627.21 627.21 0.00 0.00 0.00 0.00 10:10:11 ens3 29.40 18.87 235.38 3.46 0.00 0.00 0.00 0.00 10:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 350.58 350.58 312.59 312.59 0.00 0.00 0.00 0.00 Average: ens3 83.97 59.72 637.30 10.90 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-450938) 03/12/26 _x86_64_ (4 CPU) 09:49:39 LINUX RESTART (4 CPU) 09:50:00 CPU %user %nice %system %iowait %steal %idle 10:00:11 all 36.76 0.00 1.73 1.28 0.10 60.14 10:00:11 0 35.63 0.00 1.53 0.85 0.09 61.89 10:00:11 1 35.86 0.00 1.78 0.97 0.10 61.29 10:00:11 2 36.66 0.00 1.75 2.16 0.10 59.34 10:00:11 3 38.87 0.00 1.85 1.13 0.10 58.05 10:10:11 all 22.62 0.00 1.20 0.11 0.09 75.98 10:10:11 0 21.79 0.00 1.16 0.17 0.09 76.80 10:10:11 1 22.27 0.00 1.11 0.09 0.09 76.44 10:10:11 2 23.46 0.00 1.29 0.08 0.09 75.09 10:10:11 3 22.98 0.00 1.23 0.11 0.10 75.59 Average: all 29.75 0.00 1.46 0.70 0.09 67.99 Average: 0 28.77 0.00 1.35 0.51 0.09 69.28 Average: 1 29.12 0.00 1.45 0.53 0.10 68.81 Average: 2 30.12 0.00 1.52 1.13 0.09 67.15 Average: 3 30.99 0.00 1.54 0.63 0.10 66.74