---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33238 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 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 760 5113 4 2360 7181 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:57:73:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82086sec preferred_lft 82086sec inet6 fe80::f816:3eff:fe57:73e5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33238) 07/06/26 _x86_64_ (2 CPU) 00:42:38 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:15 1.58 0.01 1.56 0.01 0.05 18.97 426.28 01:10:15 14.50 0.26 1.69 12.56 31.12 76.76 109196.08 01:20:01 1.43 0.01 1.41 0.01 1.09 16.52 0.55 01:30:15 1.59 0.00 1.58 0.01 0.00 19.11 425.99 01:40:03 1.35 0.00 1.35 0.00 0.00 16.34 0.00 01:50:01 23.89 3.03 18.58 2.29 228.88 3605.59 578.23 Average: 7.37 0.55 4.35 2.48 43.35 622.82 18441.76 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:15 6301000 7548500 271956 3.34 30648 1422524 518816 5.65 437900 1183588 124 01:10:15 6251948 7526648 293304 3.61 31020 1448992 717728 7.82 452500 1201636 168 01:20:01 6273472 7549000 270964 3.33 31204 1449628 518840 5.65 447536 1202144 156 01:30:15 6287732 7563804 256100 3.15 31388 1449956 518904 5.65 447436 1202656 120 01:40:03 6284704 7561408 258496 3.18 31568 1450412 547544 5.96 452240 1203156 268 01:50:01 5138884 7379336 387628 4.77 86676 2313840 678744 7.39 625944 2076132 348 Average: 6089623 7521449 289741 3.56 40417 1589225 583429 6.35 477259 1344885 197 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:15 ens3 0.68 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:15 ens3 1.05 0.51 3.27 0.06 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.59 0.07 1.20 0.06 0.00 0.00 0.00 0.00 01:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 0.30 0.05 0.06 0.03 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.56 0.23 0.14 0.55 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 77.61 54.30 346.18 14.67 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 13.41 9.16 58.22 2.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33238) 07/06/26 _x86_64_ (2 CPU) 00:42:38 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:15 all 0.28 0.00 0.16 0.01 0.03 99.51 01:00:15 0 0.08 0.00 0.19 0.02 0.04 99.68 01:00:15 1 0.48 0.00 0.14 0.01 0.03 99.35 01:10:15 all 0.34 0.00 0.11 0.04 0.03 99.47 01:10:15 0 0.36 0.00 0.16 0.06 0.04 99.39 01:10:15 1 0.32 0.00 0.07 0.02 0.03 99.56 01:20:01 all 0.26 0.00 0.07 0.01 0.04 99.62 01:20:01 0 0.46 0.00 0.05 0.01 0.03 99.46 01:20:01 1 0.07 0.00 0.09 0.02 0.04 99.78 01:30:15 all 0.26 0.00 0.15 0.01 0.03 99.55 01:30:15 0 0.26 0.00 0.15 0.00 0.04 99.55 01:30:15 1 0.26 0.00 0.15 0.02 0.03 99.54 01:40:03 all 0.19 0.00 0.06 0.01 0.03 99.70 01:40:03 0 0.08 0.00 0.09 0.00 0.04 99.79 01:40:03 1 0.31 0.00 0.04 0.02 0.02 99.61 01:50:01 all 16.77 0.00 1.76 0.57 0.07 80.83 01:50:01 0 17.35 0.00 1.79 0.36 0.07 80.44 01:50:01 1 16.20 0.00 1.74 0.78 0.07 81.22 Average: all 3.00 0.00 0.39 0.11 0.04 96.46 Average: 0 3.08 0.00 0.40 0.07 0.04 96.40 Average: 1 2.92 0.00 0.37 0.14 0.04 96.53