---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34966 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: 5600.00 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 8.3G 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 800 4781 4 2663 7141 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:60:19:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81744sec preferred_lft 81744sec inet6 fe80::f816:3eff:fe60:1901/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34966) 07/12/26 _x86_64_ (2 CPU) 00:16:16 LINUX RESTART (2 CPU) 00:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 1.69 0.03 1.65 0.01 1.24 20.12 654.40 00:40:02 37.04 16.40 18.29 2.35 376.36 3511.50 1032.57 00:50:02 1.27 0.00 1.26 0.00 0.00 15.20 0.24 01:00:01 1.61 0.00 1.58 0.04 0.00 20.35 1.43 01:10:02 1.52 0.00 1.50 0.02 0.00 349.36 2.47 01:20:02 1.96 0.26 1.67 0.03 32.03 248.69 2.95 01:30:01 1.54 0.00 1.50 0.04 0.00 19.30 1.38 Average: 6.66 2.38 3.92 0.36 58.54 598.09 242.23 00:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 6280672 7527116 293656 3.61 30600 1421508 528240 5.75 453576 1183344 240 00:40:02 4950928 7183176 575600 7.08 89696 2294680 800100 8.71 757388 2069444 124 00:50:02 4991800 7224516 534288 6.57 89848 2295068 791016 8.62 748588 2069980 196 01:00:01 4937032 7170432 588364 7.23 90032 2295564 831444 9.06 772304 2070664 240 01:10:02 4826804 7161800 595980 7.33 90220 2396080 864480 9.42 805788 2171368 184 01:20:02 4432576 6847552 908868 11.18 90556 2474688 1018192 11.09 970260 2241108 232 01:30:01 4589276 7004876 751540 9.24 90712 2475136 999824 10.89 951304 2241704 244 Average: 5001298 7159924 606899 7.46 81666 2236103 833328 9.08 779887 2006802 209 00:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 1.97 0.11 0.27 0.06 0.00 0.00 0.00 0.00 00:40:02 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:02 ens3 87.00 64.11 634.12 12.94 0.00 0.00 0.00 0.00 00:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 23.44 20.89 337.28 1.47 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 74.61 70.98 1175.05 4.66 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 33.72 31.78 516.03 2.14 0.00 0.00 0.00 0.00 01:20:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 34.21 32.21 534.99 2.18 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 12.41 11.95 195.62 0.83 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 38.20 33.15 484.76 3.47 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34966) 07/12/26 _x86_64_ (2 CPU) 00:16:16 LINUX RESTART (2 CPU) 00:20:02 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 0.31 0.00 0.19 0.01 0.03 99.45 00:30:01 0 0.33 0.00 0.18 0.01 0.02 99.45 00:30:01 1 0.30 0.00 0.20 0.01 0.04 99.46 00:40:02 all 11.94 0.18 1.82 0.75 0.05 85.25 00:40:02 0 16.53 0.29 2.19 1.12 0.05 79.82 00:40:02 1 7.34 0.08 1.46 0.39 0.05 90.69 00:50:02 all 0.53 0.00 0.21 0.01 0.05 99.21 00:50:02 0 0.60 0.00 0.23 0.00 0.05 99.13 00:50:02 1 0.45 0.00 0.19 0.01 0.05 99.30 01:00:01 all 0.99 0.00 0.61 0.01 0.05 98.33 01:00:01 0 1.26 0.00 0.77 0.01 0.06 97.90 01:00:01 1 0.73 0.00 0.46 0.01 0.04 98.77 01:10:02 all 0.80 0.00 0.27 0.02 0.06 98.85 01:10:02 0 0.80 0.00 0.31 0.01 0.05 98.83 01:10:02 1 0.81 0.00 0.24 0.02 0.07 98.87 01:20:02 all 0.89 0.00 0.28 0.03 0.06 98.74 01:20:02 0 0.90 0.00 0.39 0.02 0.07 98.62 01:20:02 1 0.88 0.00 0.18 0.03 0.05 98.86 01:30:01 all 0.47 0.00 0.29 0.01 0.05 99.18 01:30:01 0 0.50 0.00 0.38 0.01 0.07 99.04 01:30:01 1 0.43 0.00 0.19 0.01 0.04 99.33 Average: all 2.28 0.03 0.53 0.12 0.05 97.00 Average: 0 2.99 0.04 0.64 0.17 0.05 96.11 Average: 1 1.56 0.01 0.42 0.07 0.05 97.90