---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15640 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 7.9G 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 750 5219 4 2262 7191 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:4e:9d:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.103/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79244sec preferred_lft 79244sec inet6 fe80::f816:3eff:fe4e:9ddd/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-15640) 05/16/26 _x86_64_ (2 CPU) 00:40:59 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:13 1.49 0.01 1.47 0.02 0.05 17.82 427.70 01:10:33 1.22 0.00 1.20 0.02 0.00 14.44 1.16 01:20:01 1.80 0.27 1.51 0.03 32.71 76.63 1.22 01:30:13 1.50 0.02 1.45 0.03 2.11 17.96 428.49 01:40:19 3.60 1.32 2.22 0.07 95.55 225.34 4.47 01:50:01 34.15 1.74 16.35 16.06 134.33 3049.49 110483.84 02:00:33 1.60 0.00 1.58 0.02 0.00 25.29 0.35 02:10:13 1.42 0.00 1.42 0.00 0.00 19.01 0.00 02:20:01 1.43 0.00 1.40 0.02 0.00 141.35 404.17 02:30:13 1.61 0.00 1.57 0.05 0.00 31.95 0.58 Average: 4.88 0.33 2.97 1.58 25.96 352.15 10833.23 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:13 6298612 7545248 275104 3.38 30716 1421792 523628 5.70 448484 1183536 168 01:10:33 6297868 7545032 275440 3.39 30908 1422120 523764 5.70 448696 1184056 128 01:20:01 6255012 7528832 291108 3.58 31276 1448064 727016 7.92 459320 1201604 124 01:30:13 6258224 7533352 286312 3.52 31528 1449064 727048 7.92 459676 1202296 228 01:40:19 5991412 7404712 407472 5.01 42336 1570116 841636 9.17 597920 1321440 54620 01:50:01 5250096 7369520 401716 4.94 85108 2198416 828864 9.03 594540 1959956 276 02:00:33 5243840 7365404 405676 4.99 85256 2200408 837504 9.12 595336 1962088 168 02:10:13 5243396 7366120 404968 4.98 85388 2201432 857200 9.34 614176 1963248 164 02:20:01 5199024 7358704 412324 5.07 85572 2238120 845808 9.21 603488 2000124 240 02:30:13 5180760 7344896 426032 5.24 85752 2242328 880048 9.59 638188 2004384 180 Average: 5721824 7436182 358615 4.41 59384 1839186 759252 8.27 545982 1598273 5630 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:13 ens3 0.57 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:10:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:33 ens3 0.31 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.89 0.41 3.46 0.62 0.00 0.00 0.00 0.00 01:30:13 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 0.29 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:40:19 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:40:19 ens3 21.29 12.33 83.22 4.42 0.00 0.00 0.00 0.00 01:50:01 lo 1.26 1.26 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 56.41 40.83 341.12 8.14 0.00 0.00 0.00 0.00 02:00:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:33 ens3 15.54 14.24 159.70 1.23 0.00 0.00 0.00 0.00 02:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:13 ens3 3.46 2.98 5.25 0.49 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 17.42 16.38 189.22 1.72 0.00 0.00 0.00 0.00 02:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:13 ens3 20.27 19.63 220.31 1.91 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 13.55 10.64 100.00 1.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15640) 05/16/26 _x86_64_ (2 CPU) 00:40:59 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:13 all 0.29 0.00 0.15 0.01 0.04 99.51 01:00:13 0 0.49 0.00 0.13 0.02 0.03 99.33 01:00:13 1 0.08 0.00 0.18 0.00 0.05 99.69 01:10:33 all 0.25 0.00 0.06 0.01 0.04 99.64 01:10:33 0 0.24 0.00 0.06 0.02 0.04 99.65 01:10:33 1 0.26 0.00 0.07 0.00 0.03 99.63 01:20:01 all 0.37 0.00 0.10 0.03 0.04 99.46 01:20:01 0 0.38 0.00 0.07 0.02 0.03 99.51 01:20:01 1 0.37 0.00 0.13 0.04 0.05 99.42 01:30:13 all 0.27 0.00 0.15 0.01 0.03 99.54 01:30:13 0 0.28 0.00 0.16 0.00 0.03 99.53 01:30:13 1 0.27 0.00 0.14 0.02 0.04 99.54 01:40:19 all 1.46 0.00 0.27 0.09 0.04 98.15 01:40:19 0 0.78 0.00 0.21 0.03 0.03 98.95 01:40:19 1 2.14 0.00 0.33 0.15 0.04 97.35 01:50:01 all 9.94 0.00 1.57 0.52 0.07 87.89 01:50:01 0 8.04 0.00 1.36 0.50 0.08 90.03 01:50:01 1 11.85 0.00 1.78 0.54 0.07 85.76 02:00:33 all 0.88 0.00 0.31 0.01 0.07 98.73 02:00:33 0 1.10 0.00 0.35 0.01 0.08 98.46 02:00:33 1 0.67 0.00 0.27 0.01 0.06 99.00 02:10:13 all 7.03 0.00 0.59 0.01 0.08 92.28 02:10:13 0 5.57 0.00 0.48 0.01 0.08 93.85 02:10:13 1 8.51 0.00 0.71 0.00 0.09 90.69 02:20:01 all 2.34 0.00 0.32 0.09 0.06 97.19 02:20:01 0 1.03 0.00 0.24 0.14 0.05 98.54 02:20:01 1 3.68 0.00 0.39 0.04 0.06 95.83 02:30:13 all 1.66 0.00 0.41 0.01 0.06 97.85 02:30:13 0 2.23 0.00 0.47 0.01 0.07 97.22 02:30:13 1 1.08 0.00 0.35 0.01 0.06 98.49 Average: all 2.38 0.00 0.39 0.08 0.05 97.10 Average: 0 1.97 0.00 0.35 0.08 0.05 97.56 Average: 1 2.80 0.00 0.43 0.08 0.05 96.64