---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12410 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 737 5228 4 2265 7204 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:2c:96:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.205/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81936sec preferred_lft 81936sec inet6 fe80::f816:3eff:fe2c:9666/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12410) 05/10/26 _x86_64_ (2 CPU) 00:16:53 LINUX RESTART (2 CPU) 00:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:37 18.69 2.86 13.91 1.92 215.10 2382.98 677.65 00:40:37 3.92 0.18 3.55 0.19 6.09 676.11 51.08 00:50:01 1.27 0.00 1.27 0.00 0.00 22.43 0.06 01:00:17 2.07 0.25 1.79 0.03 31.18 75.35 0.69 01:10:37 14.75 0.00 1.74 13.01 0.14 140.23 103702.69 01:20:01 1.28 0.00 1.27 0.01 0.00 28.77 0.34 01:30:37 4.24 0.08 3.33 0.84 5.77 252.03 1966.33 Average: 6.80 0.50 3.95 2.35 38.61 530.01 15580.23 00:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:37 5316784 7407772 364232 4.48 83704 2171736 613688 6.68 590384 1940748 183112 00:40:37 5262196 7358152 413592 5.09 84928 2175492 650088 7.08 599532 1945280 248 00:50:01 5272732 7370920 400820 4.93 85064 2177588 653384 7.12 601912 1947512 124 01:00:17 5253528 7378384 393204 4.83 85356 2203860 653440 7.12 611088 1965000 180 01:10:37 5223588 7386136 384972 4.73 85568 2241016 643000 7.00 601024 2002212 40 01:20:01 5158880 7325628 445424 5.48 85696 2245036 676884 7.37 635572 2006360 160 01:30:37 5403272 7422096 357968 4.40 87596 2103172 556624 6.06 550808 1864780 24932 Average: 5270140 7378441 394316 4.85 85416 2188271 635301 6.92 598617 1953127 29828 00:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:37 lo 1.24 1.24 0.07 0.07 0.00 0.00 0.00 0.00 00:30:37 ens3 40.32 24.70 280.64 6.68 0.00 0.00 0.00 0.00 00:40:37 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:40:37 ens3 46.34 36.20 228.99 6.18 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 10.87 9.94 65.52 1.25 0.00 0.00 0.00 0.00 01:00:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:17 ens3 0.68 0.20 3.08 0.04 0.00 0.00 0.00 0.00 01:10:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:37 ens3 18.20 16.15 179.73 1.69 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 23.37 21.96 239.16 2.12 0.00 0.00 0.00 0.00 01:30:37 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:30:37 ens3 16.55 13.24 66.95 8.88 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 22.43 17.47 151.96 3.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12410) 05/10/26 _x86_64_ (2 CPU) 00:16:53 LINUX RESTART (2 CPU) 00:20:01 CPU %user %nice %system %iowait %steal %idle 00:30:37 all 9.25 0.00 1.47 0.46 0.05 88.78 00:30:37 0 6.59 0.00 1.21 0.25 0.04 91.90 00:30:37 1 11.91 0.00 1.72 0.66 0.06 85.64 00:40:37 all 1.90 0.00 0.45 0.04 0.08 97.52 00:40:37 0 1.26 0.00 0.36 0.04 0.08 98.26 00:40:37 1 2.55 0.00 0.55 0.05 0.09 96.77 00:50:01 all 1.84 0.00 0.25 0.01 0.09 97.81 00:50:01 0 1.17 0.00 0.17 0.01 0.07 98.58 00:50:01 1 2.51 0.00 0.33 0.01 0.11 97.04 01:00:17 all 7.83 0.00 0.75 0.02 0.08 91.31 01:00:17 0 2.21 0.00 0.30 0.02 0.09 97.37 01:00:17 1 13.87 0.00 1.22 0.03 0.08 84.80 01:10:37 all 2.13 0.00 0.32 0.03 0.08 97.44 01:10:37 0 2.05 0.00 0.31 0.05 0.10 97.50 01:10:37 1 2.21 0.00 0.33 0.02 0.06 97.38 01:20:01 all 1.72 0.00 0.34 0.01 0.08 97.86 01:20:01 0 2.30 0.00 0.31 0.01 0.08 97.30 01:20:01 1 1.15 0.00 0.36 0.01 0.08 98.41 01:30:37 all 3.23 0.00 0.50 0.05 0.08 96.15 01:30:37 0 2.76 0.00 0.46 0.06 0.07 96.64 01:30:37 1 3.70 0.00 0.53 0.04 0.08 95.65 Average: all 4.05 0.00 0.59 0.09 0.08 95.19 Average: 0 2.67 0.00 0.46 0.06 0.07 96.73 Average: 1 5.45 0.00 0.73 0.12 0.08 93.62