---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29626 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 769 5105 4 2359 7172 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:2f:a2:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.238/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80556sec preferred_lft 80556sec inet6 fe80::f816:3eff:fe2f:a2c1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29626) 06/23/26 _x86_64_ (2 CPU) 00:40:10 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:18 13.62 0.01 1.42 12.19 0.19 17.68 106396.20 01:10:18 1.18 0.00 1.16 0.02 0.00 14.07 0.99 01:20:18 1.34 0.03 1.30 0.02 2.16 15.79 1.13 01:30:18 1.42 0.00 1.39 0.03 0.00 17.53 437.02 01:40:08 1.77 0.26 1.49 0.03 31.48 75.68 1.29 01:50:07 1.78 0.41 1.37 0.01 16.90 48.09 0.41 02:00:18 25.91 2.54 21.12 2.25 206.00 3378.47 638.84 02:10:18 1.40 0.00 1.40 0.00 0.00 68.13 0.03 Average: 6.13 0.41 3.86 1.86 32.35 459.90 13786.82 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:18 6283080 7535472 285004 3.50 30852 1427152 529372 5.77 446408 1187892 136 01:10:18 6283080 7536024 284448 3.50 31072 1427480 529372 5.77 446916 1188440 184 01:20:18 6279228 7533360 287104 3.53 31280 1428448 529508 5.77 447828 1189056 136 01:30:18 6271700 7526388 293968 3.61 31484 1428772 529652 5.77 447904 1189584 140 01:40:08 6245168 7526940 292840 3.60 31856 1455144 727404 7.92 462560 1207424 188 01:50:07 6235896 7533084 286392 3.52 32180 1470140 544388 5.93 482404 1220920 104 02:00:18 5200888 7410020 356880 4.39 87172 2282084 651540 7.10 594092 2044400 332 02:10:18 5185276 7409660 357268 4.39 87328 2297208 654440 7.13 596968 2059644 404 Average: 5998040 7501368 305488 3.76 45403 1652054 586960 6.39 490635 1410920 203 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:18 ens3 0.52 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:18 ens3 0.59 0.07 2.31 0.03 0.00 0.00 0.00 0.00 01:20:18 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:20:18 ens3 0.62 0.11 0.29 0.06 0.00 0.00 0.00 0.00 01:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:18 ens3 0.36 0.16 0.07 0.55 0.00 0.00 0.00 0.00 01:40:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 0.61 0.27 3.29 0.08 0.00 0.00 0.00 0.00 01:50:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:07 ens3 12.19 5.05 20.13 2.66 0.00 0.00 0.00 0.00 02:00:18 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 02:00:18 ens3 67.36 51.23 293.43 9.90 0.00 0.00 0.00 0.00 02:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:18 ens3 46.89 42.52 10.35 5.72 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 16.23 12.50 41.71 2.39 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29626) 06/23/26 _x86_64_ (2 CPU) 00:40:10 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:18 all 0.31 0.00 0.16 0.06 0.03 99.45 01:00:18 0 0.29 0.00 0.16 0.06 0.03 99.47 01:00:18 1 0.33 0.00 0.17 0.06 0.02 99.42 01:10:18 all 0.24 0.00 0.07 0.03 0.02 99.63 01:10:18 0 0.31 0.00 0.06 0.02 0.02 99.59 01:10:18 1 0.17 0.00 0.08 0.05 0.03 99.68 01:20:18 all 0.29 0.00 0.08 0.03 0.03 99.57 01:20:18 0 0.49 0.00 0.07 0.03 0.02 99.39 01:20:18 1 0.09 0.00 0.10 0.03 0.03 99.75 01:30:18 all 0.26 0.00 0.15 0.02 0.03 99.54 01:30:18 0 0.28 0.00 0.16 0.04 0.02 99.51 01:30:18 1 0.25 0.00 0.15 0.01 0.03 99.57 01:40:08 all 0.35 0.00 0.09 0.03 0.02 99.50 01:40:08 0 0.32 0.00 0.09 0.04 0.02 99.52 01:40:08 1 0.37 0.00 0.10 0.02 0.02 99.49 01:50:07 all 0.50 0.00 0.09 0.03 0.02 99.35 01:50:07 0 0.35 0.00 0.08 0.01 0.03 99.53 01:50:07 1 0.65 0.00 0.11 0.06 0.02 99.17 02:00:18 all 14.35 0.00 1.96 2.81 0.07 80.81 02:00:18 0 13.82 0.00 1.89 1.25 0.06 82.98 02:00:18 1 14.87 0.00 2.03 4.37 0.08 78.65 02:10:18 all 6.02 0.00 0.53 0.16 0.07 93.22 02:10:18 0 8.13 0.00 0.63 0.24 0.07 90.92 02:10:18 1 3.92 0.00 0.44 0.07 0.06 95.51 Average: all 2.80 0.00 0.39 0.40 0.04 96.37 Average: 0 3.00 0.00 0.39 0.21 0.04 96.36 Average: 1 2.59 0.00 0.40 0.59 0.04 96.39