---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35866 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 782 5026 4 2434 7159 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:14:22:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.63/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81119sec preferred_lft 81119sec inet6 fe80::f816:3eff:fe14:22e5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35866) 07/15/26 _x86_64_ (2 CPU) 00:40:38 LINUX RESTART (2 CPU) 00:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.45 0.01 1.43 0.02 0.05 17.01 447.41 01:10:05 1.20 0.00 1.19 0.02 0.00 14.44 1.19 01:20:18 1.39 0.00 1.37 0.02 0.01 16.41 1.19 01:30:01 1.56 0.00 1.53 0.03 0.00 18.38 449.91 01:40:15 16.20 13.72 2.40 0.08 187.32 120.46 11.00 01:50:18 24.70 2.58 19.77 2.35 215.56 3583.76 1280.40 02:00:01 1.53 0.00 1.52 0.02 0.00 64.34 0.26 Average: 6.95 2.39 4.20 0.36 58.55 552.16 311.57 00:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6303976 7550896 269732 3.32 30668 1421944 529160 5.76 452344 1183708 168 01:10:05 6304876 7552340 268320 3.30 30876 1422272 529224 5.76 452324 1184244 236 01:20:18 6304120 7552136 268504 3.30 31104 1422604 530716 5.78 448948 1184792 180 01:30:01 6288936 7537520 283120 3.48 31308 1422932 530712 5.78 448728 1185336 128 01:40:15 6189088 7529776 281228 3.46 35724 1501832 537212 5.85 467652 1258008 156 01:50:18 5123372 7400288 357212 4.39 91084 2337004 646560 7.04 598120 2103812 264 02:00:01 5104544 7395312 362120 4.45 91232 2350708 649488 7.07 600456 2117664 920 Average: 5945559 7502610 298605 3.67 48857 1697042 564725 6.15 495510 1459652 293 00:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.56 0.06 0.10 0.03 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 0.65 0.04 2.16 0.03 0.00 0.00 0.00 0.00 01:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:18 ens3 0.42 0.08 0.09 0.05 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.26 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:40:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:15 ens3 5.78 3.01 12.98 1.27 0.00 0.00 0.00 0.00 01:50:18 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:18 ens3 82.86 59.01 315.81 12.17 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 40.74 35.68 9.29 5.27 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 18.73 13.94 49.03 2.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35866) 07/15/26 _x86_64_ (2 CPU) 00:40:38 LINUX RESTART (2 CPU) 00:50:15 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.26 0.00 0.17 0.03 0.02 99.52 01:00:01 0 0.43 0.00 0.16 0.04 0.02 99.34 01:00:01 1 0.08 0.00 0.18 0.01 0.03 99.70 01:10:05 all 0.27 0.00 0.08 0.01 0.02 99.62 01:10:05 0 0.47 0.00 0.06 0.01 0.02 99.45 01:10:05 1 0.06 0.00 0.09 0.01 0.03 99.80 01:20:18 all 0.26 0.00 0.08 0.01 0.02 99.62 01:20:18 0 0.24 0.00 0.06 0.01 0.02 99.66 01:20:18 1 0.29 0.00 0.10 0.01 0.02 99.58 01:30:01 all 0.31 0.00 0.17 0.01 0.02 99.49 01:30:01 0 0.28 0.00 0.18 0.02 0.02 99.51 01:30:01 1 0.34 0.00 0.17 0.01 0.02 99.46 01:40:15 all 0.43 0.20 0.18 0.18 0.02 98.99 01:40:15 0 0.38 0.00 0.15 0.06 0.02 99.38 01:40:15 1 0.49 0.40 0.21 0.29 0.02 98.60 01:50:18 all 14.81 0.00 1.88 0.45 0.06 82.80 01:50:18 0 15.91 0.00 2.04 0.55 0.06 81.44 01:50:18 1 13.72 0.00 1.71 0.35 0.06 84.15 02:00:01 all 5.99 0.00 0.59 0.01 0.06 93.35 02:00:01 0 5.51 0.00 0.58 0.01 0.06 93.84 02:00:01 1 6.48 0.00 0.59 0.02 0.07 92.85 Average: all 3.18 0.03 0.45 0.10 0.03 96.21 Average: 0 3.30 0.00 0.46 0.10 0.03 96.10 Average: 1 3.05 0.06 0.43 0.10 0.03 96.32