---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10949 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 751 5211 4 2267 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:5e:44:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.3/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79411sec preferred_lft 79411sec inet6 fe80::f816:3eff:fe5e:44f4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10949) 05/05/26 _x86_64_ (2 CPU) 00:42:22 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 2.09 0.26 1.79 0.03 31.88 76.78 649.79 01:10:05 1.47 0.02 1.42 0.02 2.15 16.84 1.25 01:20:01 1.36 0.00 1.34 0.02 0.01 15.69 1.09 01:30:05 1.57 0.00 1.53 0.03 0.00 18.79 867.31 01:40:02 1.66 0.40 1.24 0.02 15.91 46.84 1.21 01:50:01 22.12 2.62 17.27 2.23 211.32 3154.70 1009.63 02:00:05 1.53 0.00 1.50 0.03 0.00 25.37 0.58 02:10:05 1.39 0.00 1.39 0.00 0.00 131.22 0.08 02:20:01 14.87 0.00 1.34 13.53 0.15 31.45 107698.28 02:30:05 1.52 0.00 1.50 0.02 0.00 29.95 0.58 Average: 4.94 0.33 3.03 1.58 26.10 354.06 10949.13 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 6238484 7516716 303052 3.73 30948 1452712 529496 5.77 455076 1204592 200 01:10:05 6240768 7520184 299584 3.68 31156 1453680 529708 5.77 455776 1205212 180 01:20:01 6242260 7522208 297560 3.66 31356 1454008 529708 5.77 456144 1205740 240 01:30:05 6243116 7523612 296160 3.64 31556 1454336 529708 5.77 456200 1206268 188 01:40:02 6227360 7523064 296356 3.64 31900 1469140 547212 5.96 481228 1219756 272 01:50:01 5258912 7383028 388460 4.78 85276 2202932 630060 6.86 592484 1963340 260 02:00:05 5244200 7370472 400716 4.93 85440 2204920 693736 7.56 598572 1965484 544 02:10:05 5185628 7347032 424268 5.22 85592 2239824 680528 7.41 634064 2000548 540 02:20:01 5204604 7370760 400336 4.92 85720 2244380 648736 7.07 602792 2005204 892 02:30:05 5152292 7321796 449384 5.53 85868 2247532 681600 7.42 636080 2008372 240 Average: 5723762 7439887 355588 4.37 58481 1842346 600049 6.54 536842 1598452 356 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.94 0.27 3.15 0.05 0.00 0.00 0.00 0.00 01:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 0.52 0.06 3.49 0.04 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 0.65 0.10 1.22 0.06 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.29 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:02 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 10.80 5.00 20.19 3.13 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 64.63 49.22 395.57 9.61 0.00 0.00 0.00 0.00 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 16.12 14.99 166.89 1.29 0.00 0.00 0.00 0.00 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 5.61 4.63 41.73 0.61 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 17.28 16.28 150.66 1.82 0.00 0.00 0.00 0.00 02:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 21.92 21.38 222.86 2.10 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 13.87 11.19 100.60 1.87 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10949) 05/05/26 _x86_64_ (2 CPU) 00:42:22 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 0.41 0.00 0.20 0.02 0.03 99.33 01:00:05 0 0.35 0.00 0.23 0.02 0.03 99.37 01:00:05 1 0.47 0.00 0.18 0.02 0.03 99.30 01:10:05 all 0.27 0.00 0.08 0.01 0.03 99.60 01:10:05 0 0.21 0.00 0.09 0.01 0.03 99.66 01:10:05 1 0.33 0.00 0.08 0.01 0.03 99.55 01:20:01 all 0.27 0.00 0.07 0.02 0.02 99.62 01:20:01 0 0.27 0.00 0.08 0.04 0.02 99.59 01:20:01 1 0.26 0.00 0.07 0.01 0.02 99.65 01:30:05 all 0.29 0.00 0.18 0.01 0.02 99.50 01:30:05 0 0.32 0.00 0.16 0.02 0.02 99.49 01:30:05 1 0.26 0.00 0.20 0.00 0.02 99.52 01:40:02 all 0.49 0.00 0.10 0.02 0.02 99.37 01:40:02 0 0.33 0.00 0.13 0.03 0.02 99.49 01:40:02 1 0.65 0.00 0.08 0.01 0.01 99.25 01:50:01 all 12.36 0.00 1.91 0.61 0.05 85.06 01:50:01 0 12.66 0.00 1.85 0.59 0.06 84.84 01:50:01 1 12.07 0.00 1.96 0.63 0.05 85.29 02:00:05 all 0.99 0.00 0.34 0.01 0.04 98.62 02:00:05 0 1.07 0.00 0.37 0.01 0.04 98.51 02:00:05 1 0.92 0.00 0.31 0.01 0.03 98.73 02:10:05 all 5.97 0.00 0.81 0.01 0.07 93.14 02:10:05 0 8.35 0.00 1.10 0.01 0.08 90.47 02:10:05 1 3.67 0.00 0.54 0.01 0.06 95.72 02:20:01 all 1.90 0.00 0.29 0.03 0.05 97.73 02:20:01 0 2.12 0.00 0.30 0.01 0.05 97.51 02:20:01 1 1.68 0.00 0.28 0.05 0.05 97.94 02:30:05 all 1.26 0.00 0.39 0.01 0.05 98.29 02:30:05 0 1.34 0.00 0.38 0.01 0.05 98.22 02:30:05 1 1.18 0.00 0.40 0.00 0.05 98.36 Average: all 2.40 0.00 0.44 0.07 0.04 97.05 Average: 0 2.67 0.00 0.46 0.08 0.04 96.75 Average: 1 2.14 0.00 0.41 0.07 0.04 97.34