---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2067 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 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 743 9517 4 5728 14903 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:73:37:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.125/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84083sec preferred_lft 84083sec inet6 fe80::f816:3eff:fe73:37a4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:2e:f4:1f:35:8d 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-2067) 04/11/26 _x86_64_ (4 CPU) 20:24:58 LINUX RESTART (4 CPU) 20:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:00 20.56 0.49 17.78 2.28 16.33 4720.83 5286.35 20:50:00 59.39 0.00 45.06 14.32 0.68 2692.24 18610.13 21:00:00 26.07 0.30 21.50 4.28 11.73 4466.88 4383.12 Average: 35.34 0.26 28.11 6.96 9.58 3959.98 9426.53 20:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:00 9146280 13308916 2644316 16.15 184888 4032360 2936992 16.86 755848 6000964 113544 20:50:00 8685436 13082820 2866732 17.51 212496 4209228 3163128 18.16 840460 6358024 13676 21:00:00 9870164 15368708 576608 3.52 242292 5225660 1100404 6.32 1205724 4724656 48 Average: 9233960 13920148 2029219 12.39 213225 4489083 2400175 13.78 934011 5694548 42423 20:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:00 lo 590.03 590.03 561.29 561.29 0.00 0.00 0.00 0.00 20:40:00 ens3 94.94 70.08 324.21 20.33 0.00 0.00 0.00 0.00 20:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:00 lo 5872.12 5872.12 5600.18 5600.18 0.00 0.00 0.00 0.00 20:50:00 ens3 69.45 54.34 25.83 19.50 0.00 0.00 0.00 0.00 20:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:00 lo 1957.88 1957.88 1853.34 1853.34 0.00 0.00 0.00 0.00 21:00:00 ens3 100.23 95.30 113.91 159.98 0.00 0.00 0.00 0.00 21:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2806.68 2806.68 2671.60 2671.60 0.00 0.00 0.00 0.00 Average: ens3 88.21 73.24 154.65 66.60 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-2067) 04/11/26 _x86_64_ (4 CPU) 20:24:58 LINUX RESTART (4 CPU) 20:30:00 CPU %user %nice %system %iowait %steal %idle 20:40:00 all 69.13 0.00 2.53 0.05 0.08 28.21 20:40:00 0 67.57 0.00 2.73 0.05 0.09 29.56 20:40:00 1 68.61 0.00 2.76 0.05 0.08 28.50 20:40:00 2 69.51 0.00 2.45 0.05 0.08 27.92 20:40:00 3 70.83 0.00 2.20 0.03 0.08 26.86 20:50:00 all 61.70 0.00 4.16 0.10 0.09 33.95 20:50:00 0 60.26 0.00 3.97 0.15 0.09 35.54 20:50:00 1 63.31 0.00 4.12 0.06 0.09 32.41 20:50:00 2 62.14 0.00 4.13 0.08 0.09 33.56 20:50:00 3 61.11 0.00 4.41 0.11 0.09 34.28 21:00:00 all 43.70 0.00 2.26 0.14 0.07 53.83 21:00:00 0 42.65 0.00 2.25 0.06 0.07 54.98 21:00:00 1 45.76 0.00 2.63 0.17 0.08 51.36 21:00:00 2 40.79 0.00 2.04 0.12 0.08 56.98 21:00:00 3 45.61 0.00 2.11 0.22 0.07 51.99 Average: all 58.17 0.00 2.98 0.10 0.08 38.67 Average: 0 56.82 0.00 2.98 0.09 0.08 40.03 Average: 1 59.22 0.00 3.17 0.09 0.08 37.44 Average: 2 57.47 0.00 2.87 0.09 0.08 39.49 Average: 3 59.18 0.00 2.90 0.12 0.08 37.72