---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36057 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 754 5209 4 2271 7187 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:ba:58:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.205/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82061sec preferred_lft 82061sec inet6 fe80::f816:3eff:feba:58d9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-36057) 08/12/26 _x86_64_ (2 CPU) 01:03:50 LINUX RESTART (2 CPU) 01:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:07 1.20 0.01 1.19 0.00 0.07 15.27 4.61 01:30:07 1.36 0.00 1.35 0.01 0.05 16.53 640.11 01:40:07 1.28 0.02 1.25 0.00 2.09 15.09 2.35 01:50:07 15.41 0.72 1.45 13.25 95.33 74.36 109120.69 02:00:04 1.48 0.00 1.46 0.01 0.00 17.54 208.47 02:10:07 16.80 1.56 14.32 0.91 112.38 2187.10 457.47 Average: 6.27 0.39 3.52 2.37 35.09 389.70 18405.50 01:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:07 6308636 7555200 265952 3.27 31000 1421320 521872 5.68 437800 1184168 184 01:30:07 6298116 7545192 276028 3.39 31172 1421652 526504 5.73 440060 1184672 176 01:40:07 6294128 7542368 278872 3.43 31360 1422620 523780 5.71 441400 1185268 176 01:50:07 6258968 7537036 283696 3.49 31800 1451588 522616 5.69 451716 1203900 212 02:00:04 6252964 7531560 289088 3.55 31968 1451920 522616 5.69 451744 1204400 184 02:10:07 5456280 7394564 386348 4.75 71756 2037864 625304 6.81 597212 1813900 42564 Average: 6144849 7517653 296664 3.65 38176 1534494 540449 5.89 469989 1296051 7249 01:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:07 ens3 1.40 0.14 0.17 0.07 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.75 0.11 2.85 0.06 0.00 0.00 0.00 0.00 01:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 0.37 0.12 0.12 0.05 0.00 0.00 0.00 0.00 01:50:07 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:50:07 ens3 0.63 0.44 3.30 0.57 0.00 0.00 0.00 0.00 02:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:04 ens3 0.19 0.06 0.05 0.02 0.00 0.00 0.00 0.00 02:10:07 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:10:07 ens3 34.25 23.40 276.14 5.76 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 6.30 4.07 47.37 1.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-36057) 08/12/26 _x86_64_ (2 CPU) 01:03:50 LINUX RESTART (2 CPU) 01:10:07 CPU %user %nice %system %iowait %steal %idle 01:20:07 all 0.29 0.00 0.10 0.01 0.04 99.56 01:20:07 0 0.09 0.00 0.11 0.01 0.04 99.75 01:20:07 1 0.49 0.00 0.09 0.01 0.04 99.38 01:30:07 all 0.31 0.00 0.17 0.01 0.04 99.47 01:30:07 0 0.49 0.00 0.17 0.01 0.03 99.30 01:30:07 1 0.12 0.00 0.18 0.00 0.05 99.64 01:40:07 all 0.30 0.00 0.08 0.01 0.04 99.57 01:40:07 0 0.50 0.00 0.05 0.01 0.02 99.42 01:40:07 1 0.10 0.00 0.11 0.01 0.06 99.73 01:50:07 all 0.37 0.00 0.13 0.06 0.05 99.39 01:50:07 0 0.25 0.00 0.14 0.05 0.06 99.51 01:50:07 1 0.50 0.00 0.13 0.07 0.04 99.26 02:00:04 all 0.26 0.00 0.16 0.02 0.04 99.52 02:00:04 0 0.40 0.00 0.13 0.02 0.03 99.41 02:00:04 1 0.12 0.00 0.19 0.01 0.05 99.63 02:10:07 all 6.19 0.00 0.96 0.43 0.06 92.37 02:10:07 0 4.73 0.00 0.83 0.34 0.07 94.03 02:10:07 1 7.65 0.00 1.08 0.51 0.05 90.71 Average: all 1.29 0.00 0.27 0.09 0.04 98.31 Average: 0 1.08 0.00 0.24 0.08 0.04 98.56 Average: 1 1.50 0.00 0.30 0.10 0.05 98.05