---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35649 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 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): 2 On-line CPU(s) list: 0,1 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): 2 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: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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 Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 748 5205 4 2281 7193 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:02:19:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.23/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80131sec preferred_lft 80131sec inet6 fe80::f816:3eff:fe02:1947/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35649) 07/14/26 _x86_64_ (2 CPU) 02:07:50 LINUX RESTART (2 CPU) 02:10:35 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:01 1.81 0.30 1.51 0.01 34.18 78.74 0.31 02:30:35 1.46 0.01 1.42 0.03 1.05 17.44 413.10 02:40:35 1.23 0.00 1.21 0.02 0.00 14.64 1.20 02:50:01 1.20 0.00 1.19 0.02 0.00 14.64 1.16 03:00:35 1.46 0.00 1.43 0.03 0.00 17.20 413.50 03:10:35 1.42 0.00 1.40 0.02 0.00 16.89 1.23 03:20:01 1.29 0.00 1.28 0.01 0.00 15.00 230.82 03:30:35 23.15 2.70 18.19 2.26 213.72 3423.99 1008.99 03:40:15 15.18 0.00 1.21 13.97 0.15 14.59 110133.63 03:50:34 1.38 0.00 1.38 0.00 0.00 18.68 0.00 Average: 5.03 0.31 3.12 1.60 25.92 381.98 10863.38 02:10:35 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:01 6250112 7523624 296100 3.64 30708 1448104 742004 8.08 467384 1200756 256 02:30:35 6254960 7529388 290272 3.57 30956 1448744 534292 5.82 462180 1201332 128 02:40:35 6254512 7529468 290240 3.57 31148 1449076 534456 5.82 462300 1201852 148 02:50:01 6262076 7537568 282164 3.47 31348 1449400 534600 5.82 462468 1202380 124 03:00:35 6263388 7539536 280156 3.44 31544 1449856 534664 5.82 462880 1202904 124 03:10:35 6268204 7544920 274708 3.38 31776 1450188 589740 6.42 468092 1203464 176 03:20:01 6268568 7545756 273956 3.37 31928 1450508 534792 5.82 463852 1203932 176 03:30:35 5201852 7417184 348844 4.29 87504 2287348 633496 6.90 586944 2050796 124 03:40:15 5202264 7418108 347908 4.28 87628 2287740 633496 6.90 587056 2051284 216 03:50:34 5443240 7470216 304536 3.74 87776 2106640 563416 6.14 544048 1870332 264 Average: 5966918 7505577 298888 3.68 48232 1682760 583496 6.36 496720 1438903 174 02:10:35 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 1.66 0.28 3.63 0.03 0.00 0.00 0.00 0.00 02:30:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:35 ens3 0.40 0.05 0.05 0.02 0.00 0.00 0.00 0.00 02:40:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:35 ens3 0.43 0.05 0.78 0.03 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.32 0.06 0.09 0.04 0.00 0.00 0.00 0.00 03:00:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:35 ens3 0.29 0.09 0.12 0.05 0.00 0.00 0.00 0.00 03:10:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:35 ens3 0.17 0.03 0.03 0.01 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.34 0.19 0.07 0.51 0.00 0.00 0.00 0.00 03:30:35 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:30:35 ens3 66.00 47.06 306.92 10.95 0.00 0.00 0.00 0.00 03:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:15 ens3 1.10 0.25 0.15 0.05 0.00 0.00 0.00 0.00 03:50:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:34 ens3 2.96 1.60 0.91 0.30 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.74 5.23 32.98 1.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35649) 07/14/26 _x86_64_ (2 CPU) 02:07:50 LINUX RESTART (2 CPU) 02:10:35 CPU %user %nice %system %iowait %steal %idle 02:20:01 all 0.42 0.00 0.12 0.02 0.03 99.41 02:20:01 0 0.35 0.00 0.14 0.02 0.03 99.45 02:20:01 1 0.49 0.00 0.10 0.02 0.03 99.36 02:30:35 all 0.28 0.00 0.16 0.03 0.03 99.51 02:30:35 0 0.26 0.00 0.13 0.01 0.02 99.57 02:30:35 1 0.29 0.00 0.18 0.05 0.03 99.45 02:40:35 all 0.28 0.00 0.08 0.02 0.02 99.61 02:40:35 0 0.47 0.00 0.05 0.03 0.02 99.43 02:40:35 1 0.08 0.00 0.10 0.00 0.03 99.79 02:50:01 all 0.27 0.00 0.08 0.02 0.02 99.61 02:50:01 0 0.31 0.00 0.07 0.03 0.02 99.56 02:50:01 1 0.23 0.00 0.08 0.01 0.02 99.66 03:00:35 all 0.29 0.00 0.16 0.01 0.02 99.52 03:00:35 0 0.28 0.00 0.16 0.02 0.02 99.53 03:00:35 1 0.31 0.00 0.16 0.00 0.02 99.51 03:10:35 all 0.28 0.00 0.08 0.01 0.02 99.60 03:10:35 0 0.44 0.00 0.07 0.02 0.02 99.45 03:10:35 1 0.12 0.00 0.10 0.00 0.03 99.75 03:20:01 all 0.32 0.00 0.08 0.01 0.02 99.57 03:20:01 0 0.42 0.00 0.07 0.00 0.02 99.50 03:20:01 1 0.22 0.00 0.09 0.02 0.02 99.64 03:30:35 all 11.64 0.00 1.80 0.49 0.06 86.01 03:30:35 0 9.73 0.00 1.58 0.47 0.05 88.17 03:30:35 1 13.55 0.00 2.03 0.52 0.07 83.84 03:40:15 all 0.42 0.00 0.15 0.03 0.05 99.35 03:40:15 0 0.41 0.00 0.16 0.01 0.04 99.38 03:40:15 1 0.43 0.00 0.15 0.05 0.05 99.32 03:50:34 all 0.50 0.00 0.17 0.01 0.05 99.28 03:50:34 0 0.38 0.00 0.22 0.00 0.06 99.34 03:50:34 1 0.62 0.00 0.11 0.01 0.04 99.22 Average: all 1.53 0.00 0.30 0.07 0.03 98.07 Average: 0 1.35 0.00 0.27 0.07 0.03 98.28 Average: 1 1.71 0.00 0.32 0.07 0.03 97.87