---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19452 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 762 5076 4 2403 7179 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:e5:75:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81705sec preferred_lft 81705sec inet6 fe80::f816:3eff:fee5:7590/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19452) 05/24/26 _x86_64_ (2 CPU) 00:15:45 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:04 14.61 0.28 1.82 12.52 32.25 78.22 109672.26 00:40:04 23.50 3.04 18.14 2.32 229.45 3427.75 520.93 00:50:01 1.30 0.00 1.29 0.01 0.00 20.51 0.78 01:00:03 1.52 0.00 1.50 0.02 0.00 23.90 5.71 01:10:04 15.69 13.53 2.08 0.07 150.68 162.32 397.75 01:20:01 1.56 0.00 1.53 0.04 0.00 36.21 4.23 01:30:04 1.59 0.00 1.55 0.04 0.00 25.65 3.46 Average: 8.54 2.41 3.98 2.15 58.90 538.98 15848.13 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:04 6244716 7522516 297300 3.66 30848 1452432 727748 7.93 457024 1204636 272 00:40:04 5209868 7405204 362460 4.46 85744 2270436 637036 6.94 595724 2031664 268 00:50:01 5171992 7369476 398212 4.90 85892 2272464 647004 7.05 597192 2033852 392 01:00:03 5160532 7359700 407936 5.02 86032 2274012 666924 7.26 616388 2035540 224 01:10:04 5059408 7351048 407640 5.01 89416 2354764 670996 7.31 620720 2118940 1300 01:20:01 5044308 7340644 417824 5.14 89660 2359156 657868 7.17 608080 2123560 448 01:30:04 5011516 7309784 448696 5.52 89816 2360872 690088 7.52 640168 2125448 180 Average: 5271763 7379767 391438 4.81 79630 2192019 671095 7.31 590757 1953377 441 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:04 ens3 1.23 0.29 3.25 0.08 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 65.69 46.03 316.02 12.09 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 16.25 13.52 252.35 1.25 0.00 0.00 0.00 0.00 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 6.07 5.40 33.11 0.69 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 12.75 11.70 157.06 1.41 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 12.69 12.04 142.31 1.45 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 9.46 9.01 139.05 0.89 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 17.72 13.99 148.80 2.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19452) 05/24/26 _x86_64_ (2 CPU) 00:15:45 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:04 all 0.47 0.00 0.22 0.04 0.02 99.25 00:30:04 0 0.58 0.00 0.19 0.02 0.02 99.20 00:30:04 1 0.35 0.00 0.25 0.06 0.02 99.30 00:40:04 all 11.83 0.00 1.69 0.52 0.05 85.93 00:40:04 0 13.21 0.00 1.81 0.55 0.05 84.38 00:40:04 1 10.44 0.00 1.56 0.48 0.04 87.48 00:50:01 all 0.96 0.00 0.25 0.01 0.05 98.73 00:50:01 0 0.95 0.00 0.25 0.00 0.05 98.75 00:50:01 1 0.96 0.00 0.26 0.01 0.06 98.71 01:00:03 all 3.50 0.00 0.50 0.01 0.06 95.93 01:00:03 0 2.74 0.00 0.43 0.01 0.05 96.76 01:00:03 1 4.27 0.00 0.57 0.00 0.06 95.10 01:10:04 all 4.29 0.18 0.59 0.14 0.06 94.74 01:10:04 0 5.58 0.22 0.80 0.20 0.07 93.13 01:10:04 1 3.02 0.13 0.38 0.09 0.05 96.32 01:20:01 all 1.61 0.00 0.30 0.01 0.07 98.01 01:20:01 0 2.16 0.00 0.36 0.01 0.09 97.38 01:20:01 1 1.06 0.00 0.25 0.01 0.05 98.63 01:30:04 all 0.90 0.00 0.32 0.01 0.05 98.72 01:30:04 0 0.85 0.00 0.32 0.01 0.05 98.77 01:30:04 1 0.95 0.00 0.32 0.01 0.05 98.68 Average: all 3.36 0.02 0.55 0.11 0.05 95.90 Average: 0 3.72 0.03 0.60 0.12 0.05 95.49 Average: 1 3.00 0.02 0.51 0.10 0.05 96.32