---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19717 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 786 5036 4 2419 7155 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:ac:3c:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.91/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 4640sec preferred_lft 4640sec inet6 fe80::f816:3eff:feac:3cd9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19717) 05/26/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.64 0.01 1.61 0.01 0.81 19.41 432.43 00:20:03 1.73 0.11 1.59 0.03 3.04 23.21 654.67 00:30:01 1.79 0.00 1.77 0.02 0.00 19.87 657.51 00:40:01 8.90 1.38 7.02 0.50 100.30 745.41 189.07 00:50:07 17.08 1.62 13.71 1.75 124.79 2658.98 668.36 01:00:01 1.77 0.00 1.75 0.02 0.00 26.23 0.51 01:10:01 1.49 0.00 1.49 0.00 0.00 19.10 0.00 01:20:03 1.55 0.00 1.54 0.01 0.00 139.60 396.23 01:30:07 1.83 0.00 1.79 0.04 0.00 33.36 1.73 01:40:01 4.43 0.04 3.50 0.88 1.44 262.60 2185.90 Average: 4.23 0.32 3.59 0.33 23.17 397.26 517.05 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6112320 7507772 300524 3.70 54232 1537352 736252 8.02 475964 1309208 240 00:20:03 6130228 7487368 320876 3.95 54412 1498812 734160 8.00 474692 1270628 280 00:30:01 6136048 7493652 314576 3.87 54556 1499116 734160 8.00 474712 1271080 240 00:40:01 5469216 7312612 465196 5.72 85464 1927728 887376 9.67 646252 1717144 287008 00:50:07 4947296 7217332 539356 6.63 104856 2317348 893788 9.74 660592 2094496 328 01:00:01 5066156 7338220 418416 5.14 104980 2319256 852572 9.29 610728 2096528 440 01:10:01 5073524 7346692 409952 5.04 105084 2320384 872324 9.50 631012 2097644 264 01:20:03 5020644 7331064 425580 5.23 105228 2357268 862008 9.39 619972 2134656 352 01:30:07 4974852 7289488 466996 5.74 105336 2361320 895904 9.76 654048 2138812 416 01:40:01 5201224 7363716 402280 4.95 106556 2216444 845072 9.20 636576 1994900 24308 Average: 5413151 7368792 406375 5.00 88070 2035503 831362 9.06 588455 1812510 31388 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.24 0.07 0.07 0.04 0.00 0.00 0.00 0.00 00:20:03 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:03 ens3 0.16 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.49 0.13 0.16 0.09 0.00 0.00 0.00 0.00 00:40:01 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 00:40:01 ens3 27.80 19.49 170.64 6.91 0.00 0.00 0.00 0.00 00:50:07 lo 1.21 1.21 0.07 0.07 0.00 0.00 0.00 0.00 00:50:07 ens3 48.99 36.71 281.94 7.34 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 15.16 13.85 141.68 1.23 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 3.43 2.91 5.11 0.51 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 17.84 16.44 185.12 1.76 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 22.32 21.00 223.16 1.99 0.00 0.00 0.00 0.00 01:40:01 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 17.56 14.24 71.38 9.09 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 15.44 12.52 108.21 2.90 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19717) 05/26/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.25 0.00 0.10 0.01 0.02 99.61 00:10:01 0 0.09 0.00 0.11 0.01 0.03 99.77 00:10:01 1 0.42 0.00 0.10 0.01 0.02 99.46 00:20:03 all 0.62 0.00 0.24 0.01 0.02 99.11 00:20:03 0 0.48 0.00 0.25 0.02 0.03 99.22 00:20:03 1 0.76 0.00 0.22 0.01 0.02 98.99 00:30:01 all 0.25 0.00 0.17 0.02 0.03 99.53 00:30:01 0 0.09 0.00 0.18 0.03 0.03 99.67 00:30:01 1 0.42 0.00 0.15 0.02 0.02 99.39 00:40:01 all 4.20 0.00 0.63 0.20 0.04 94.93 00:40:01 0 5.76 0.00 0.82 0.15 0.04 93.24 00:40:01 1 2.65 0.00 0.43 0.26 0.03 96.62 00:50:07 all 8.41 0.00 1.32 0.27 0.06 89.95 00:50:07 0 9.75 0.00 1.26 0.33 0.05 88.61 00:50:07 1 7.06 0.00 1.37 0.20 0.07 91.30 01:00:01 all 0.97 0.00 0.31 0.02 0.05 98.64 01:00:01 0 0.85 0.00 0.30 0.01 0.04 98.80 01:00:01 1 1.09 0.00 0.32 0.04 0.06 98.48 01:10:01 all 8.46 0.00 0.77 0.01 0.07 90.69 01:10:01 0 10.63 0.00 0.85 0.01 0.08 88.43 01:10:01 1 6.21 0.00 0.67 0.00 0.07 93.03 01:20:03 all 2.08 0.00 0.30 0.01 0.06 97.55 01:20:03 0 3.16 0.00 0.38 0.01 0.08 96.37 01:20:03 1 1.00 0.00 0.21 0.02 0.05 98.73 01:30:07 all 1.72 0.00 0.45 0.01 0.06 97.77 01:30:07 0 1.88 0.00 0.43 0.01 0.05 97.63 01:30:07 1 1.55 0.00 0.47 0.01 0.06 97.90 01:40:01 all 3.44 0.00 0.43 0.06 0.06 96.02 01:40:01 0 3.30 0.00 0.37 0.09 0.04 96.19 01:40:01 1 3.58 0.00 0.48 0.02 0.07 95.85 Average: all 3.04 0.00 0.47 0.06 0.05 96.38 Average: 0 3.61 0.00 0.50 0.07 0.05 95.78 Average: 1 2.46 0.00 0.44 0.06 0.05 96.99