---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2196 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: 5600.00 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 772 5092 4 2370 7169 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:a9:bf:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.114/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79410sec preferred_lft 79410sec inet6 fe80::f816:3eff:fea9:bfa2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2196) 08/05/26 _x86_64_ (2 CPU) 00:41:59 LINUX RESTART (2 CPU) 00:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.19 0.01 1.16 0.02 0.05 16.03 214.84 01:10:22 1.15 0.00 1.15 0.00 0.00 14.70 0.00 01:20:04 1.10 0.00 1.09 0.01 0.01 13.97 220.08 01:30:01 1.25 0.00 1.23 0.02 0.00 16.46 214.54 01:40:04 19.22 1.58 16.74 0.90 114.10 2182.90 192.59 01:50:04 12.92 1.42 10.09 1.40 115.24 1315.59 633.88 02:00:01 1.25 0.00 1.21 0.04 0.00 23.45 0.44 02:10:04 1.07 0.00 1.04 0.03 0.00 131.15 401.47 02:20:04 1.11 0.00 1.08 0.03 0.00 26.40 3.51 02:30:01 1.30 0.00 1.25 0.06 0.00 28.79 4.00 Average: 4.17 0.30 3.61 0.25 23.01 378.33 188.09 00:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6249848 7537316 283136 3.48 31528 1461144 521188 5.68 459856 1209936 120 01:10:22 6249160 7537176 283160 3.48 31704 1461512 568808 6.20 465876 1210476 48 01:20:04 6249160 7537688 282696 3.48 31876 1461844 521388 5.68 460500 1210980 212 01:30:01 6247660 7536796 283568 3.49 32056 1462264 521388 5.68 460736 1211448 148 01:40:04 5439008 7390948 389496 4.79 71952 2050996 653188 7.11 602600 1823376 48220 01:50:04 5076268 7301304 465564 5.72 88552 2295908 698932 7.61 663320 2055760 488 02:00:01 5138484 7365852 400940 4.93 88728 2298068 657716 7.16 613672 2058092 456 02:10:04 5074436 7336948 429736 5.28 88928 2332908 693660 7.56 649668 2093136 168 02:20:04 5080728 7348692 417948 5.14 89108 2338108 672788 7.33 626988 2098388 1616 02:30:01 5053140 7323396 443168 5.45 89244 2340220 705624 7.69 659588 2100632 192 Average: 5585789 7421612 367941 4.52 64368 1950297 621468 6.77 566280 1707222 5167 00:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.51 0.05 0.06 0.01 0.00 0.00 0.00 0.00 01:10:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:22 ens3 0.41 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.45 0.15 0.15 0.09 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 0.31 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:40:04 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:40:04 ens3 40.62 26.59 277.12 6.25 0.00 0.00 0.00 0.00 01:50:04 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 01:50:04 ens3 43.48 34.15 262.79 7.10 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 8.98 8.34 57.27 1.10 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 7.83 6.67 50.05 0.88 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 11.76 11.27 141.48 1.44 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 14.02 13.68 224.50 1.43 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 12.85 10.11 101.43 1.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2196) 08/05/26 _x86_64_ (2 CPU) 00:41:59 LINUX RESTART (2 CPU) 00:50:04 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.26 0.00 0.18 0.01 0.02 99.53 01:00:01 0 0.26 0.00 0.17 0.01 0.02 99.54 01:00:01 1 0.27 0.00 0.18 0.01 0.02 99.52 01:10:22 all 0.27 0.00 0.10 0.01 0.02 99.60 01:10:22 0 0.47 0.00 0.08 0.00 0.02 99.43 01:10:22 1 0.08 0.00 0.12 0.01 0.02 99.77 01:20:04 all 0.26 0.00 0.07 0.01 0.02 99.63 01:20:04 0 0.36 0.00 0.06 0.00 0.02 99.56 01:20:04 1 0.17 0.00 0.09 0.02 0.03 99.70 01:30:01 all 0.29 0.00 0.17 0.01 0.03 99.51 01:30:01 0 0.16 0.00 0.18 0.02 0.03 99.62 01:30:01 1 0.41 0.00 0.15 0.01 0.02 99.41 01:40:04 all 6.34 0.00 0.96 0.36 0.04 92.31 01:40:04 0 2.46 0.00 0.62 0.21 0.04 96.67 01:40:04 1 10.22 0.00 1.29 0.51 0.04 87.93 01:50:04 all 6.60 0.00 1.13 0.20 0.06 92.02 01:50:04 0 7.43 0.00 1.02 0.06 0.05 91.45 01:50:04 1 5.77 0.00 1.24 0.34 0.07 92.59 02:00:01 all 1.02 0.00 0.31 0.01 0.05 98.61 02:00:01 0 1.11 0.00 0.31 0.01 0.05 98.53 02:00:01 1 0.94 0.00 0.31 0.02 0.05 98.69 02:10:04 all 3.65 0.00 0.70 0.01 0.07 95.58 02:10:04 0 2.60 0.00 0.50 0.01 0.05 96.85 02:10:04 1 4.75 0.00 0.91 0.00 0.08 94.25 02:20:04 all 1.82 0.00 0.31 1.55 0.05 96.26 02:20:04 0 1.69 0.00 0.37 3.11 0.07 94.77 02:20:04 1 1.96 0.00 0.26 0.00 0.04 97.75 02:30:01 all 1.08 0.00 0.39 0.03 0.05 98.45 02:30:01 0 0.64 0.00 0.25 0.06 0.03 99.03 02:30:01 1 1.53 0.00 0.53 0.00 0.07 97.86 Average: all 2.16 0.00 0.43 0.22 0.04 97.15 Average: 0 1.72 0.00 0.35 0.35 0.04 97.54 Average: 1 2.60 0.00 0.51 0.09 0.04 96.76