---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38899 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 751 5206 4 2276 7190 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:5f:35:38 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82105sec preferred_lft 82105sec inet6 fe80::f816:3eff:fe5f:3538/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38899) 08/20/26 _x86_64_ (2 CPU) 01:03:54 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:25 1.43 0.01 1.42 0.00 0.06 16.63 0.33 01:30:15 1.63 0.00 1.61 0.02 0.00 19.09 867.27 01:40:15 1.29 0.00 1.29 0.00 0.00 14.89 0.17 01:50:25 1.26 0.00 1.26 0.00 0.00 15.06 0.00 02:00:05 1.63 0.03 1.59 0.02 2.22 18.91 661.79 02:10:00 29.81 1.47 14.04 14.30 109.44 1993.32 110197.48 Average: 6.14 0.25 3.52 2.37 18.46 343.70 18470.39 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:25 6251044 7526804 293432 3.61 31328 1449716 725508 7.90 463380 1202464 184 01:30:15 6247420 7523732 296440 3.65 31520 1450052 725596 7.90 463932 1202992 212 01:40:15 6250236 7527060 293076 3.60 31700 1450376 725816 7.91 463912 1203496 168 01:50:25 6250344 7527668 292460 3.60 31868 1450700 725808 7.91 463968 1203988 192 02:00:05 6250540 7529160 290988 3.58 32068 1451800 725816 7.91 464736 1204600 276 02:10:00 5466632 7409476 370744 4.56 71736 2042368 815624 8.88 572104 1818864 128356 Average: 6119369 7507317 306190 3.77 38370 1549169 740695 8.07 482005 1306067 21565 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:25 ens3 2.04 0.10 1.08 0.08 0.00 0.00 0.00 0.00 01:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 0.68 0.23 0.65 0.55 0.00 0.00 0.00 0.00 01:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:15 ens3 0.45 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:50:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:25 ens3 0.22 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 0.19 0.05 0.05 0.02 0.00 0.00 0.00 0.00 02:10:00 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 02:10:00 ens3 39.48 24.03 283.23 5.88 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 7.14 4.06 47.16 1.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38899) 08/20/26 _x86_64_ (2 CPU) 01:03:54 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:25 all 0.32 0.00 0.09 0.03 0.03 99.53 01:20:25 0 0.21 0.00 0.11 0.00 0.03 99.66 01:20:25 1 0.44 0.00 0.07 0.06 0.03 99.40 01:30:15 all 0.29 0.00 0.18 0.03 0.02 99.48 01:30:15 0 0.13 0.00 0.20 0.01 0.03 99.63 01:30:15 1 0.44 0.00 0.16 0.06 0.02 99.33 01:40:15 all 0.27 0.00 0.06 0.02 0.02 99.63 01:40:15 0 0.07 0.00 0.09 0.03 0.03 99.78 01:40:15 1 0.48 0.00 0.04 0.00 0.01 99.47 01:50:25 all 0.23 0.00 0.06 0.01 0.03 99.67 01:50:25 0 0.35 0.00 0.06 0.00 0.02 99.56 01:50:25 1 0.11 0.00 0.06 0.01 0.03 99.78 02:00:05 all 0.29 0.00 0.17 0.01 0.03 99.50 02:00:05 0 0.42 0.00 0.16 0.00 0.02 99.39 02:00:05 1 0.16 0.00 0.18 0.01 0.04 99.61 02:10:00 all 6.49 0.00 0.99 1.41 0.04 91.07 02:10:00 0 8.57 0.00 1.04 1.66 0.06 88.66 02:10:00 1 4.41 0.00 0.93 1.15 0.03 93.47 Average: all 1.31 0.00 0.26 0.25 0.03 98.16 Average: 0 1.61 0.00 0.28 0.28 0.03 97.80 Average: 1 1.00 0.00 0.24 0.21 0.03 98.52