---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39058 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 8.1G 30G 22% / 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 788 4924 4 2531 7153 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:de:12:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81541sec preferred_lft 81541sec inet6 fe80::f816:3eff:fede:12f9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39058) 07/26/26 _x86_64_ (2 CPU) 02:36:11 LINUX RESTART (2 CPU) 02:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:01 1.29 0.03 1.26 0.01 1.25 15.58 0.85 03:00:01 28.32 13.55 2.10 12.67 151.29 46.89 109158.11 03:10:02 1.74 0.25 1.47 0.02 30.92 75.02 1.13 03:20:01 1.25 0.00 1.25 0.00 0.01 14.99 0.00 03:30:01 1.38 0.00 1.37 0.01 0.00 17.60 864.49 03:40:02 1.24 0.00 1.24 0.00 0.00 15.05 0.00 03:50:01 26.32 2.85 21.10 2.37 225.86 3795.18 837.18 Average: 8.79 2.38 4.25 2.16 58.47 567.94 15854.62 02:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:01 6293096 7539344 281312 3.46 30600 1421584 523300 5.70 442392 1183456 124 03:00:01 6222476 7525988 285492 3.51 34800 1466260 523460 5.70 443272 1231696 244 03:10:02 6160444 7491296 319680 3.93 35180 1492852 723808 7.88 457672 1249904 232 03:20:01 6161892 7493220 317728 3.91 35328 1493172 723944 7.89 457716 1250372 240 03:30:01 6166528 7498488 312312 3.84 35528 1493568 724072 7.89 458000 1250904 240 03:40:02 6165548 7498020 312796 3.85 35704 1493896 724828 7.89 459204 1251408 180 03:50:01 5070720 7376340 380768 4.68 91280 2365664 839680 9.15 610400 2133056 204 Average: 6034386 7488957 315727 3.88 42631 1603857 683299 7.44 475522 1364399 209 02:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 1.40 0.15 0.27 0.04 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.53 0.09 0.10 0.06 0.00 0.00 0.00 0.00 03:10:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:10:02 ens3 0.58 0.22 3.24 0.03 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 0.03 0.17 0.01 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 0.36 0.08 0.11 0.06 0.00 0.00 0.00 0.00 03:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:02 ens3 0.50 0.26 0.10 0.65 0.00 0.00 0.00 0.00 03:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:50:01 ens3 70.45 51.87 348.15 13.46 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.58 7.52 50.24 2.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39058) 07/26/26 _x86_64_ (2 CPU) 02:36:11 LINUX RESTART (2 CPU) 02:40:05 CPU %user %nice %system %iowait %steal %idle 02:50:01 all 0.27 0.00 0.08 0.32 0.03 99.30 02:50:01 0 0.47 0.00 0.07 0.60 0.02 98.84 02:50:01 1 0.08 0.00 0.09 0.04 0.03 99.76 03:00:01 all 0.29 0.26 0.29 2.14 0.03 96.99 03:00:01 0 0.37 0.18 0.25 1.38 0.03 97.79 03:00:01 1 0.21 0.35 0.34 2.89 0.03 96.18 03:10:02 all 0.38 0.00 0.11 0.16 0.02 99.32 03:10:02 0 0.23 0.00 0.10 0.11 0.02 99.53 03:10:02 1 0.53 0.00 0.13 0.22 0.02 99.10 03:20:01 all 0.26 0.00 0.09 0.11 0.02 99.53 03:20:01 0 0.19 0.00 0.09 0.05 0.02 99.66 03:20:01 1 0.32 0.00 0.08 0.17 0.02 99.40 03:30:01 all 0.28 0.00 0.18 0.06 0.02 99.46 03:30:01 0 0.28 0.00 0.19 0.03 0.02 99.48 03:30:01 1 0.28 0.00 0.17 0.09 0.02 99.43 03:40:02 all 0.26 0.00 0.07 0.03 0.02 99.62 03:40:02 0 0.08 0.00 0.10 0.05 0.03 99.75 03:40:02 1 0.44 0.00 0.05 0.02 0.01 99.48 03:50:01 all 15.98 0.00 1.80 2.95 0.07 79.20 03:50:01 0 14.48 0.00 1.81 3.13 0.06 80.53 03:50:01 1 17.49 0.00 1.80 2.77 0.07 77.87 Average: all 2.53 0.04 0.37 0.82 0.03 96.21 Average: 0 2.29 0.03 0.37 0.76 0.03 96.52 Average: 1 2.76 0.05 0.38 0.89 0.03 95.90