---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-19540 5.15.0-170-generic #180-Ubuntu SMP Fri Jan 9 16:10:31 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 27G 128G 18% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 878 9430 4 21783 30746 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:6a:53:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.54/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85012sec preferred_lft 85012sec inet6 fe80::f816:3eff:fe6a:53a5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:d8:08:98:a2:5a 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 inet6 fe80::d4d8:8ff:fe98:a25a/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-19540) 02/23/26 _x86_64_ (8 CPU) 14:17:21 LINUX RESTART (8 CPU) 14:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:03 395.23 1.12 387.89 6.22 259.68 42018.52 46371.80 14:40:00 269.49 0.48 259.02 9.99 28.81 38741.84 48682.16 Average: 332.55 0.80 323.65 8.10 144.59 40385.13 47523.49 14:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:03 14419376 28369992 3868580 11.77 406644 13059428 4115232 12.14 3528520 13687636 103580 14:40:00 9743504 31560784 627988 1.91 610936 20216432 1433624 4.23 5859936 15440148 27720 Average: 12081440 29965388 2248284 6.84 508790 16637930 2774428 8.18 4694228 14563892 65650 14:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:03 lo 0.39 0.39 0.05 0.05 0.00 0.00 0.00 0.00 14:30:03 ens3 315.50 189.38 2179.38 58.24 0.00 0.00 0.00 0.00 14:30:03 docker0 28.17 45.12 1.59 727.40 0.00 0.00 0.00 0.00 14:40:00 lo 0.68 0.68 0.07 0.07 0.00 0.00 0.00 0.00 14:40:00 ens3 149.83 100.30 2013.98 25.27 0.00 0.00 0.00 0.00 14:40:00 docker0 10.61 15.43 0.60 215.07 0.00 0.00 0.00 0.00 Average: lo 0.53 0.53 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 232.91 144.97 2096.93 41.80 0.00 0.00 0.00 0.00 Average: docker0 19.42 30.32 1.10 472.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-19540) 02/23/26 _x86_64_ (8 CPU) 14:17:21 LINUX RESTART (8 CPU) 14:20:03 CPU %user %nice %system %iowait %steal %idle 14:30:03 all 17.63 0.00 3.00 2.79 0.07 76.51 14:30:03 0 22.85 0.00 3.22 4.33 0.08 69.52 14:30:03 1 18.71 0.00 2.94 2.28 0.08 75.99 14:30:03 2 15.09 0.00 2.78 2.14 0.07 79.92 14:30:03 3 20.63 0.00 3.39 4.43 0.08 71.47 14:30:03 4 14.60 0.00 2.46 2.34 0.07 80.53 14:30:03 5 16.34 0.00 3.15 3.42 0.07 77.01 14:30:03 6 16.39 0.00 2.98 1.52 0.07 79.05 14:30:03 7 16.41 0.00 3.08 1.83 0.07 78.61 14:40:00 all 15.78 0.01 2.64 1.29 0.06 80.21 14:40:00 0 13.12 0.02 2.54 1.00 0.06 83.26 14:40:00 1 12.76 0.03 2.16 1.20 0.06 83.79 14:40:00 2 17.24 0.01 2.67 1.72 0.07 78.29 14:40:00 3 17.78 0.01 2.67 1.45 0.07 78.02 14:40:00 4 13.42 0.00 2.68 1.30 0.06 82.53 14:40:00 5 14.81 0.02 2.54 0.99 0.06 81.59 14:40:00 6 19.10 0.02 3.05 1.27 0.07 76.49 14:40:00 7 18.02 0.02 2.80 1.41 0.06 77.68 Average: all 16.71 0.01 2.82 2.04 0.07 78.35 Average: 0 18.00 0.01 2.88 2.67 0.07 76.37 Average: 1 15.74 0.01 2.55 1.74 0.07 79.89 Average: 2 16.16 0.00 2.73 1.93 0.07 79.11 Average: 3 19.21 0.00 3.03 2.94 0.07 74.73 Average: 4 14.02 0.00 2.57 1.82 0.07 81.53 Average: 5 15.58 0.01 2.85 2.21 0.07 79.29 Average: 6 17.74 0.01 3.02 1.39 0.07 77.77 Average: 7 17.21 0.01 2.94 1.62 0.07 78.15