---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31914 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 771 5117 4 2345 7170 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:13:7b:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82711sec preferred_lft 82711sec inet6 fe80::f816:3eff:fe13:7be2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31914) 07/01/26 _x86_64_ (2 CPU) 00:35:31 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:05 1.44 0.04 1.40 0.00 2.00 33.64 0.15 01:00:05 1.60 0.01 1.55 0.04 0.05 26.63 1.68 01:10:01 2.02 0.26 1.72 0.04 32.23 193.49 400.46 01:20:05 1.32 0.00 1.31 0.02 0.01 33.32 1.19 01:30:05 1.57 0.00 1.52 0.05 0.00 25.09 2.35 Average: 1.59 0.06 1.50 0.03 6.81 62.19 80.54 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:05 5178344 7349664 417892 5.14 85716 2246400 656888 7.15 594980 2017592 168 01:00:05 5188712 7362532 404780 4.98 85900 2248720 668488 7.28 598380 2020096 192 01:10:01 5091520 7327132 439840 5.41 86220 2309760 687604 7.49 625384 2072380 128 01:20:05 5055300 7296600 470316 5.78 86380 2315212 692248 7.54 629500 2077992 244 01:30:05 5076944 7320588 446240 5.49 86560 2317316 692316 7.54 629792 2080148 208 Average: 5118164 7331303 435814 5.36 86155 2287482 679509 7.40 615607 2053642 188 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:05 ens3 15.56 13.79 222.17 1.61 0.00 0.00 0.00 0.00 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 10.12 9.75 61.62 1.21 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 7.52 6.44 76.91 0.83 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 13.28 12.76 140.83 1.70 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 14.12 13.00 223.32 1.16 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.13 11.16 145.15 1.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31914) 07/01/26 _x86_64_ (2 CPU) 00:35:31 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:05 all 1.16 0.00 0.29 7.51 0.05 91.00 00:50:05 0 1.13 0.00 0.23 6.65 0.03 91.97 00:50:05 1 1.19 0.00 0.35 8.37 0.06 90.02 01:00:05 all 1.82 0.00 0.41 0.03 0.06 97.67 01:00:05 0 1.01 0.00 0.30 0.04 0.05 98.61 01:00:05 1 2.64 0.00 0.52 0.03 0.07 96.73 01:10:01 all 6.05 0.00 0.83 0.02 0.09 93.01 01:10:01 0 8.19 0.00 1.08 0.03 0.10 90.60 01:10:01 1 3.96 0.00 0.59 0.02 0.08 95.35 01:20:05 all 1.97 0.00 0.31 0.02 0.06 97.64 01:20:05 0 2.51 0.00 0.40 0.02 0.06 97.01 01:20:05 1 1.44 0.00 0.22 0.02 0.05 98.27 01:30:05 all 0.98 0.00 0.36 0.07 0.05 98.53 01:30:05 0 1.14 0.00 0.39 0.06 0.06 98.35 01:30:05 1 0.81 0.00 0.33 0.08 0.05 98.72 Average: all 2.36 0.00 0.44 1.55 0.06 95.59 Average: 0 2.73 0.00 0.47 1.38 0.06 95.35 Average: 1 2.00 0.00 0.40 1.72 0.06 95.82