---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-39202 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): 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: 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: 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 18G 138G 12% / 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 762 19149 4 12180 30861 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:c5:4b:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.48/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84489sec preferred_lft 84489sec inet6 fe80::f816:3eff:fec5:4b70/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:1c:44:e3:42:04 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::d41c:44ff:fee3:4204/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-39202) 07/27/26 _x86_64_ (8 CPU) 00:00:23 LINUX RESTART (8 CPU) 00:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 22.54 0.49 21.46 0.58 17.50 15055.77 2116.99 00:30:09 29.06 1.83 26.21 1.03 305.21 10373.25 2911.56 Average: 25.84 1.17 23.86 0.81 163.21 12684.37 2519.39 00:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 18686196 27429176 4860340 14.79 189416 8606564 4972092 14.66 2078000 11438568 132800 00:30:09 19799084 31589264 684520 2.08 228808 11478496 1305024 3.85 3056552 9168376 20 Average: 19242640 29509220 2772430 8.44 209112 10042530 3138558 9.26 2567276 10303472 66410 00:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 222.39 222.39 218.38 218.38 0.00 0.00 0.00 0.00 00:20:01 ens3 66.58 53.83 324.69 13.49 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:09 lo 12.22 12.22 1.38 1.38 0.00 0.00 0.00 0.00 00:30:09 ens3 152.60 164.37 234.48 2665.16 0.00 0.00 0.00 0.00 00:30:09 docker0 84.29 81.15 1359.24 10.51 0.00 0.00 0.00 0.00 Average: lo 115.95 115.95 108.48 108.48 0.00 0.00 0.00 0.00 Average: ens3 110.14 109.81 279.00 1356.39 0.00 0.00 0.00 0.00 Average: docker0 42.69 41.10 688.37 5.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-39202) 07/27/26 _x86_64_ (8 CPU) 00:00:23 LINUX RESTART (8 CPU) 00:10:09 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 30.50 0.00 1.46 0.09 0.06 67.89 00:20:01 0 19.20 0.00 0.97 0.24 0.06 79.53 00:20:01 1 38.99 0.00 1.85 0.07 0.07 59.02 00:20:01 2 37.10 0.00 1.90 0.06 0.07 60.86 00:20:01 3 29.35 0.00 1.49 0.01 0.06 69.09 00:20:01 4 31.33 0.00 1.60 0.07 0.06 66.93 00:20:01 5 29.15 0.00 1.32 0.03 0.06 69.44 00:20:01 6 30.18 0.00 1.30 0.17 0.06 68.28 00:20:01 7 28.75 0.00 1.22 0.08 0.06 69.89 00:30:09 all 9.81 0.00 0.99 0.11 0.05 89.04 00:30:09 0 5.94 0.00 0.53 0.08 0.04 93.41 00:30:09 1 8.54 0.00 0.70 0.11 0.04 90.60 00:30:09 2 12.79 0.00 0.96 0.14 0.04 86.07 00:30:09 3 12.23 0.00 0.89 0.11 0.05 86.72 00:30:09 4 12.12 0.00 1.45 0.09 0.05 86.29 00:30:09 5 12.56 0.00 1.65 0.12 0.04 85.63 00:30:09 6 10.05 0.00 1.18 0.08 0.05 88.63 00:30:09 7 4.28 0.00 0.57 0.15 0.04 94.95 Average: all 20.01 0.00 1.22 0.10 0.05 78.61 Average: 0 12.48 0.00 0.75 0.16 0.05 86.57 Average: 1 23.56 0.00 1.27 0.09 0.05 75.03 Average: 2 24.77 0.00 1.43 0.10 0.06 73.65 Average: 3 20.67 0.00 1.18 0.06 0.06 78.03 Average: 4 21.58 0.00 1.52 0.08 0.06 76.75 Average: 5 20.74 0.00 1.49 0.07 0.05 77.65 Average: 6 19.98 0.00 1.24 0.13 0.06 78.59 Average: 7 16.35 0.00 0.89 0.12 0.05 82.59