---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-18231 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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 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 755 19122 4 12215 30869 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:48:ed:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84487sec preferred_lft 84487sec inet6 fe80::f816:3eff:fe48:ed21/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:1f:0a:39:9e:30 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::e81f:aff:fe39:9e30/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-161-generic (prd-ubuntu2204-docker-8c-8g-18231) 01/04/26 _x86_64_ (8 CPU) 00:00:27 LINUX RESTART (8 CPU) 00:10:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 20.57 0.45 19.70 0.42 16.81 14720.71 88.58 00:30:13 30.03 1.86 27.18 0.99 309.28 11043.39 1783.75 Average: 25.39 1.17 23.51 0.71 165.94 12845.66 952.95 00:10:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 19685180 28069956 4221952 12.85 181496 8280552 4254964 12.55 2079464 10465084 188 00:30:13 19777656 31603056 669768 2.04 220152 11538148 1326056 3.91 3231100 9028176 308 Average: 19731418 29836506 2445860 7.44 200824 9909350 2790510 8.23 2655282 9746630 248 00:10:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 1967.61 1967.61 1877.99 1877.99 0.00 0.00 0.00 0.00 00:20:01 ens3 53.12 43.26 318.91 12.29 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 00:30:13 lo 2420.57 2420.57 2301.25 2301.25 0.00 0.00 0.00 0.00 00:30:13 ens3 187.10 196.46 240.92 2638.22 0.00 0.00 0.00 0.00 00:30:13 docker0 92.44 92.95 1333.69 70.80 0.00 0.00 0.00 0.00 Average: lo 2198.58 2198.58 2093.81 2093.81 0.00 0.00 0.00 0.00 Average: ens3 121.44 121.38 279.14 1351.25 0.00 0.00 0.00 0.00 Average: docker0 47.13 47.39 680.04 36.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-161-generic (prd-ubuntu2204-docker-8c-8g-18231) 01/04/26 _x86_64_ (8 CPU) 00:00:27 LINUX RESTART (8 CPU) 00:10:14 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 28.34 0.00 1.68 0.14 0.06 69.78 00:20:01 0 26.06 0.00 1.68 0.15 0.06 72.04 00:20:01 1 27.10 0.00 1.25 0.14 0.06 71.45 00:20:01 2 30.52 0.00 2.71 0.02 0.06 66.69 00:20:01 3 29.97 0.00 1.49 0.02 0.06 68.46 00:20:01 4 25.04 0.00 1.42 0.17 0.06 73.30 00:20:01 5 31.34 0.00 2.46 0.30 0.06 65.83 00:20:01 6 24.63 0.00 1.17 0.26 0.05 73.88 00:20:01 7 32.05 0.00 1.26 0.08 0.07 66.54 00:30:13 all 12.22 0.00 1.51 0.18 0.04 86.04 00:30:13 0 11.58 0.00 2.58 0.10 0.04 85.69 00:30:13 1 17.66 0.00 1.82 0.19 0.05 80.27 00:30:13 2 10.18 0.00 1.44 0.34 0.04 88.00 00:30:13 3 16.13 0.00 1.47 0.22 0.05 82.14 00:30:13 4 11.38 0.00 1.35 0.07 0.04 87.17 00:30:13 5 21.44 0.00 2.23 0.14 0.05 76.14 00:30:13 6 4.50 0.00 0.68 0.11 0.03 94.68 00:30:13 7 4.93 0.00 0.53 0.25 0.04 94.26 Average: all 20.12 0.00 1.59 0.16 0.05 78.07 Average: 0 18.69 0.00 2.14 0.13 0.05 79.00 Average: 1 22.29 0.00 1.54 0.17 0.06 75.94 Average: 2 20.14 0.00 2.06 0.18 0.05 77.56 Average: 3 22.91 0.00 1.48 0.12 0.06 75.43 Average: 4 18.06 0.00 1.38 0.12 0.05 80.38 Average: 5 26.29 0.00 2.34 0.22 0.06 71.10 Average: 6 14.37 0.00 0.92 0.18 0.04 84.48 Average: 7 18.22 0.00 0.88 0.17 0.05 80.68