---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1885 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 734 5316 4 2179 7207 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:fc:4e:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80724sec preferred_lft 80724sec inet6 fe80::f816:3eff:fefc:4e9c/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-1885) 04/11/26 _x86_64_ (2 CPU) 00:42:18 LINUX RESTART (2 CPU) 00:50:46 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:07 1.59 0.01 1.56 0.02 0.06 18.91 932.75 01:10:07 1.90 0.32 1.56 0.03 39.04 72.88 1.28 01:20:09 1.45 0.01 1.44 0.01 1.06 16.80 0.53 01:30:09 1.59 0.00 1.58 0.01 0.00 18.63 652.45 01:40:10 1.85 0.40 1.44 0.00 15.77 48.48 0.07 01:50:04 35.43 2.66 16.96 15.81 214.80 3149.71 108971.47 02:00:10 1.45 0.00 1.44 0.02 0.00 17.58 0.22 02:10:11 1.58 0.00 1.57 0.01 0.00 18.61 0.08 Average: 5.84 0.42 3.44 1.98 33.81 419.05 13771.24 00:50:46 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:07 6290760 7541940 278600 3.43 30764 1426044 524400 5.71 450100 1187484 132 01:10:07 6230412 7510412 309492 3.81 31160 1454108 731312 7.97 467364 1204872 156 01:20:09 6238348 7519188 300864 3.70 31348 1454740 524636 5.71 462212 1205388 132 01:30:09 6236252 7517628 302392 3.72 31540 1455068 524636 5.71 462196 1205908 132 01:40:10 6198548 7504280 315328 3.88 31844 1478768 592004 6.45 511480 1228392 9500 01:50:04 5310960 7425044 346856 4.27 85196 2193000 624256 6.80 588796 1951784 196 02:00:10 5303384 7417964 353828 4.35 85352 2193352 624320 6.80 588648 1952280 196 02:10:11 5302656 7417768 354000 4.35 85520 2193704 624392 6.80 588788 1952812 128 Average: 5888915 7481778 320170 3.94 51590 1731098 596244 6.49 514948 1486115 1322 00:50:46 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 0.76 0.07 0.11 0.04 0.00 0.00 0.00 0.00 01:10:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 1.30 0.24 13.14 0.05 0.00 0.00 0.00 0.00 01:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 0.58 0.09 0.14 0.06 0.00 0.00 0.00 0.00 01:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.32 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:10 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:10 ens3 12.84 7.44 39.19 3.33 0.00 0.00 0.00 0.00 01:50:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:04 ens3 53.78 36.85 263.69 8.47 0.00 0.00 0.00 0.00 02:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:10 ens3 1.48 0.16 0.20 0.04 0.00 0.00 0.00 0.00 02:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:11 ens3 0.56 0.14 0.08 0.03 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 8.95 5.63 39.53 1.51 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1885) 04/11/26 _x86_64_ (2 CPU) 00:42:18 LINUX RESTART (2 CPU) 00:50:46 CPU %user %nice %system %iowait %steal %idle 01:00:07 all 0.27 0.00 0.18 0.01 0.03 99.51 01:00:07 0 0.28 0.00 0.18 0.01 0.02 99.51 01:00:07 1 0.26 0.00 0.19 0.02 0.03 99.50 01:10:07 all 0.37 0.00 0.10 0.02 0.03 99.47 01:10:07 0 0.39 0.00 0.11 0.02 0.03 99.46 01:10:07 1 0.36 0.00 0.10 0.03 0.04 99.48 01:20:09 all 0.26 0.00 0.07 0.01 0.03 99.63 01:20:09 0 0.10 0.00 0.07 0.01 0.04 99.79 01:20:09 1 0.41 0.00 0.07 0.01 0.03 99.47 01:30:09 all 0.26 0.00 0.17 0.01 0.04 99.53 01:30:09 0 0.42 0.00 0.15 0.01 0.03 99.38 01:30:09 1 0.09 0.00 0.19 0.01 0.04 99.68 01:40:10 all 0.61 0.00 0.12 0.02 0.03 99.22 01:40:10 0 0.74 0.00 0.10 0.01 0.02 99.13 01:40:10 1 0.49 0.00 0.13 0.02 0.04 99.32 01:50:04 all 10.65 0.00 1.65 1.14 0.07 86.48 01:50:04 0 13.12 0.00 1.82 1.77 0.07 83.22 01:50:04 1 8.18 0.00 1.49 0.52 0.07 89.75 02:00:10 all 0.36 0.00 0.22 0.01 0.06 99.35 02:00:10 0 0.32 0.00 0.22 0.01 0.06 99.40 02:00:10 1 0.40 0.00 0.22 0.01 0.07 99.30 02:10:11 all 0.36 0.00 0.14 0.01 0.06 99.43 02:10:11 0 0.25 0.00 0.18 0.01 0.09 99.47 02:10:11 1 0.47 0.00 0.09 0.01 0.04 99.39 Average: all 1.64 0.00 0.33 0.15 0.05 97.83 Average: 0 1.95 0.00 0.35 0.23 0.05 97.43 Average: 1 1.33 0.00 0.31 0.08 0.05 98.24