---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34152 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 UTC 2026 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 Indirect target selection: 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 Tsa: 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 752 5206 4 2275 7189 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:74:0f:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.169/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82077sec preferred_lft 82077sec inet6 fe80::f816:3eff:fe74:f85/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34152) 08/11/26 _x86_64_ (2 CPU) 01:56:01 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.18 0.03 1.16 0.00 1.24 14.75 2.31 02:20:00 1.22 0.01 1.19 0.02 0.07 14.84 20.80 02:30:00 15.65 0.71 1.67 13.27 94.20 77.17 109254.00 02:40:01 1.22 0.00 1.21 0.02 0.00 14.64 20.83 02:50:01 1.24 0.00 1.22 0.02 0.00 14.94 23.06 03:00:00 13.59 1.41 11.39 0.79 104.58 1478.46 875.31 Average: 5.68 0.36 2.97 2.35 33.34 268.84 18386.86 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6295280 7541912 279184 3.43 30980 1421396 528916 5.76 440724 1184088 148 02:20:00 6294580 7541760 279332 3.43 31196 1421724 529000 5.76 440896 1184632 124 02:30:00 6247128 7523724 296520 3.65 31692 1450228 723196 7.88 457668 1203288 124 02:40:01 6247128 7524404 295828 3.64 31912 1450680 723812 7.88 461604 1203832 124 02:50:01 6247128 7524940 295304 3.63 32104 1451016 723828 7.88 461712 1204356 128 03:00:00 5443472 7338496 444020 5.46 68920 1999060 864048 9.41 625960 1774180 230936 Average: 6129119 7499206 315031 3.87 37801 1532351 682133 7.43 481427 1292396 38597 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.76 0.08 0.11 0.04 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.57 0.07 0.83 0.05 0.00 0.00 0.00 0.00 02:30:00 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 1.18 0.49 4.26 0.05 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 6.45 3.93 4.16 3.42 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.58 0.12 0.19 0.10 0.00 0.00 0.00 0.00 03:00:00 lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 03:00:00 ens3 29.51 21.74 212.90 9.63 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 6.50 4.40 37.03 2.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34152) 08/11/26 _x86_64_ (2 CPU) 01:56:01 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.26 0.00 0.08 0.06 0.02 99.58 02:10:01 0 0.08 0.00 0.10 0.02 0.03 99.78 02:10:01 1 0.43 0.00 0.07 0.09 0.02 99.38 02:20:00 all 0.30 0.00 0.08 0.05 0.02 99.56 02:20:00 0 0.10 0.00 0.08 0.03 0.02 99.77 02:20:00 1 0.50 0.00 0.08 0.07 0.02 99.34 02:30:00 all 0.40 0.00 0.24 2.32 0.02 97.02 02:30:00 0 0.42 0.00 0.18 0.70 0.02 98.68 02:30:00 1 0.38 0.00 0.29 3.94 0.02 95.37 02:40:01 all 0.42 0.00 0.11 0.08 0.02 99.37 02:40:01 0 0.34 0.00 0.09 0.04 0.02 99.51 02:40:01 1 0.50 0.00 0.13 0.11 0.03 99.24 02:50:01 all 0.26 0.00 0.09 0.07 0.02 99.56 02:50:01 0 0.31 0.00 0.07 0.02 0.02 99.58 02:50:01 1 0.21 0.00 0.11 0.13 0.02 99.53 03:00:00 all 6.09 0.00 1.07 1.94 0.04 90.86 03:00:00 0 6.09 0.00 1.20 3.21 0.04 89.45 03:00:00 1 6.09 0.00 0.93 0.67 0.04 92.27 Average: all 1.29 0.00 0.28 0.75 0.02 97.66 Average: 0 1.22 0.00 0.29 0.67 0.02 97.80 Average: 1 1.35 0.00 0.27 0.83 0.02 97.52