---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34968 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: 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: 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 752 5130 4 2351 7189 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:9e:ff:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.222/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81693sec preferred_lft 81693sec inet6 fe80::f816:3eff:fe9e:ff5a/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-34968) 07/12/26 _x86_64_ (2 CPU) 00:16:13 LINUX RESTART (2 CPU) 00:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:04 1.39 0.03 1.34 0.02 2.29 17.67 0.39 00:40:04 22.83 2.89 17.65 2.29 226.06 3479.84 672.18 00:50:04 1.22 0.00 1.21 0.01 0.00 20.07 0.84 01:00:05 1.53 0.00 1.48 0.05 0.00 24.46 3.83 01:10:03 1.27 0.00 1.25 0.02 0.00 131.58 405.43 01:20:06 1.44 0.00 1.41 0.03 0.00 35.42 1.42 01:30:06 1.55 0.00 1.52 0.03 0.00 25.08 0.65 Average: 4.46 0.42 3.69 0.35 32.61 533.17 154.75 00:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:04 6246676 7520760 299324 3.68 30776 1448592 527940 5.75 454608 1200832 208 00:40:04 5207720 7412032 355212 4.37 86160 2278272 636708 6.93 595604 2040336 180 00:50:04 5106480 7312908 454380 5.59 86300 2280300 695780 7.58 647124 2042500 516 01:00:05 5163724 7371884 395372 4.86 86488 2281844 665580 7.25 616324 2044236 192 01:10:03 5064588 7307724 459472 5.65 86628 2316624 702532 7.65 652120 2079156 216 01:20:06 5102420 7351360 415716 5.11 86800 2322188 656816 7.15 607644 2084764 188 01:30:06 5074520 7325576 441488 5.43 86944 2324128 688668 7.50 639356 2086848 232 Average: 5280875 7371749 402995 4.96 78585 2178850 653432 7.12 601826 1939810 247 00:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:04 ens3 1.97 0.11 0.28 0.06 0.00 0.00 0.00 0.00 00:40:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:04 ens3 70.33 47.95 320.95 12.19 0.00 0.00 0.00 0.00 00:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:04 ens3 22.66 20.63 252.09 1.73 0.00 0.00 0.00 0.00 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 6.64 6.15 33.22 0.74 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 14.26 12.54 157.14 1.21 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 18.05 16.89 141.42 1.99 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 14.95 14.00 140.21 1.22 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 21.26 16.89 149.29 2.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34968) 07/12/26 _x86_64_ (2 CPU) 00:16:13 LINUX RESTART (2 CPU) 00:20:04 CPU %user %nice %system %iowait %steal %idle 00:30:04 all 0.32 0.00 0.17 0.01 0.02 99.48 00:30:04 0 0.21 0.00 0.18 0.01 0.02 99.59 00:30:04 1 0.44 0.00 0.16 0.01 0.01 99.37 00:40:04 all 12.44 0.00 1.78 0.86 0.04 84.87 00:40:04 0 14.88 0.00 1.89 0.66 0.05 82.52 00:40:04 1 10.00 0.00 1.67 1.06 0.04 87.23 00:50:04 all 0.96 0.00 0.25 0.01 0.03 98.75 00:50:04 0 0.76 0.00 0.20 0.01 0.03 99.00 00:50:04 1 1.16 0.00 0.30 0.01 0.04 98.49 01:00:05 all 3.71 0.00 0.57 0.01 0.05 95.66 01:00:05 0 2.95 0.00 0.47 0.02 0.04 96.53 01:00:05 1 4.49 0.00 0.67 0.01 0.05 94.78 01:10:03 all 5.17 0.00 0.65 0.01 0.05 94.11 01:10:03 0 3.11 0.00 0.47 0.02 0.05 96.35 01:10:03 1 7.27 0.00 0.84 0.01 0.06 91.82 01:20:06 all 2.01 0.00 0.32 0.01 0.04 97.62 01:20:06 0 1.74 0.00 0.32 0.01 0.04 97.89 01:20:06 1 2.28 0.00 0.32 0.01 0.04 97.35 01:30:06 all 0.94 0.00 0.32 0.01 0.04 98.70 01:30:06 0 0.75 0.00 0.27 0.01 0.03 98.94 01:30:06 1 1.12 0.00 0.37 0.01 0.04 98.46 Average: all 3.64 0.00 0.58 0.13 0.04 95.60 Average: 0 3.49 0.00 0.54 0.10 0.03 95.83 Average: 1 3.80 0.00 0.62 0.16 0.04 95.38