---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3648 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 776 5132 4 2332 7165 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:5e:10:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.179/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82568sec preferred_lft 82568sec inet6 fe80::f816:3eff:fe5e:101c/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-3648) 08/09/26 _x86_64_ (2 CPU) 00:41:13 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:00 2.52 0.72 1.76 0.04 95.22 78.36 265.72 01:10:00 1.36 0.00 1.34 0.02 0.00 15.92 6.00 01:20:00 15.59 13.53 2.01 0.06 149.34 44.74 8.34 01:30:01 1.59 0.00 1.57 0.02 0.00 19.21 0.23 01:40:01 15.51 1.58 13.02 0.91 114.17 2178.13 186.06 Average: 7.31 3.16 3.94 0.21 71.72 467.36 93.27 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:00 6246576 7522800 297824 3.66 31376 1450184 524280 5.71 457104 1202384 124 01:10:00 6253716 7530488 290132 3.57 31584 1450520 524332 5.71 457064 1202924 168 01:20:00 6199432 7532728 278832 3.43 35176 1495124 524464 5.71 457856 1250516 124 01:30:01 6190316 7524280 287248 3.53 35364 1495580 525168 5.72 458856 1251032 124 01:40:01 5371456 7365912 405616 4.99 74964 2082264 655360 7.14 616284 1860652 42564 Average: 6052299 7495242 311930 3.84 41693 1594734 550721 6.00 489433 1353502 8621 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:00 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 1.20 0.48 3.28 0.04 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 1.14 0.08 6.40 0.06 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.43 0.10 0.12 0.06 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 0.49 0.25 0.13 0.63 0.00 0.00 0.00 0.00 01:40:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:40:01 ens3 37.63 23.46 278.09 5.86 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 8.18 4.87 57.62 1.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3648) 08/09/26 _x86_64_ (2 CPU) 00:41:13 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:00 all 0.40 0.00 0.21 0.03 0.04 99.33 01:00:00 0 0.37 0.00 0.21 0.04 0.04 99.34 01:00:00 1 0.42 0.00 0.20 0.01 0.04 99.32 01:10:00 all 0.25 0.00 0.07 0.01 0.04 99.64 01:10:00 0 0.40 0.00 0.05 0.02 0.03 99.50 01:10:00 1 0.10 0.00 0.09 0.00 0.04 99.77 01:20:00 all 0.27 0.18 0.14 0.15 0.04 99.22 01:20:00 0 0.07 0.35 0.22 0.31 0.05 99.01 01:20:00 1 0.47 0.01 0.06 0.00 0.03 99.44 01:30:01 all 0.27 0.00 0.16 0.01 0.03 99.52 01:30:01 0 0.29 0.00 0.16 0.02 0.03 99.51 01:30:01 1 0.26 0.00 0.16 0.01 0.04 99.54 01:40:01 all 6.19 0.00 0.90 0.35 0.05 92.51 01:40:01 0 7.87 0.00 0.96 0.54 0.04 90.59 01:40:01 1 4.51 0.00 0.85 0.17 0.05 94.43 Average: all 1.48 0.04 0.29 0.11 0.04 98.05 Average: 0 1.80 0.07 0.32 0.18 0.04 97.59 Average: 1 1.15 0.00 0.27 0.04 0.04 98.50