---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3349 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 5208 4 2274 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:ea:c7:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80390sec preferred_lft 80390sec inet6 fe80::f816:3eff:feea:c7c6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3349) 08/08/26 _x86_64_ (2 CPU) 01:45:06 LINUX RESTART (2 CPU) 01:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.58 0.03 1.54 0.02 1.24 18.39 643.23 02:10:06 1.38 0.03 1.34 0.00 2.18 16.32 2.33 02:20:01 1.22 0.00 1.21 0.00 0.01 14.86 2.33 02:30:01 2.36 0.71 1.63 0.02 94.11 76.90 482.65 02:40:02 1.18 0.00 1.17 0.00 1.05 14.63 0.07 02:50:01 15.36 1.58 12.87 0.91 113.30 2198.98 189.93 03:00:01 12.92 1.23 10.26 1.42 108.72 1323.67 448.58 03:10:02 1.26 0.00 1.26 0.00 0.00 15.53 0.00 03:20:01 15.60 0.00 1.44 14.16 0.15 17.00 106649.25 Average: 5.87 0.40 3.64 1.84 35.64 410.50 12022.70 01:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6288596 7534708 286312 3.52 30964 1421100 529452 5.77 438316 1183776 120 02:10:06 6280604 7527888 293156 3.60 31160 1422068 527960 5.75 438836 1184384 188 02:20:01 6280380 7528156 292908 3.60 31328 1422392 528224 5.75 438992 1184868 264 02:30:01 6245740 7522812 297504 3.66 31764 1450820 713644 7.77 455888 1203424 240 02:40:02 6274016 7552020 268328 3.30 31928 1451592 528968 5.76 451632 1203920 228 02:50:01 5443752 7384484 395812 4.87 71800 2040232 648160 7.06 605452 1816168 47408 03:00:01 5184456 7394684 372036 4.57 87612 2282336 636592 6.93 597572 2045424 240 03:10:02 5192044 7402780 363940 4.48 87764 2282692 636592 6.93 597648 2045932 252 03:20:01 5193752 7405012 361652 4.45 87904 2283088 636592 6.93 597696 2046436 264 Average: 5820371 7472505 325739 4.01 54692 1784036 598465 6.52 513559 1546037 5467 01:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.04 0.09 0.14 0.06 0.00 0.00 0.00 0.00 02:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:06 ens3 0.43 0.06 0.06 0.02 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.31 0.07 0.08 0.03 0.00 0.00 0.00 0.00 02:30:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.55 0.25 3.28 0.05 0.00 0.00 0.00 0.00 02:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:02 ens3 6.30 3.87 4.14 3.35 0.00 0.00 0.00 0.00 02:50:01 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:50:01 ens3 41.60 25.96 279.22 10.19 0.00 0.00 0.00 0.00 03:00:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:00:01 ens3 31.10 21.12 39.81 5.54 0.00 0.00 0.00 0.00 03:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:02 ens3 3.09 0.25 0.49 0.13 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.79 0.18 0.11 0.05 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 9.47 5.76 36.34 2.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3349) 08/08/26 _x86_64_ (2 CPU) 01:45:06 LINUX RESTART (2 CPU) 01:50:02 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.32 0.00 0.16 0.02 0.04 99.47 02:00:01 0 0.40 0.00 0.17 0.03 0.04 99.37 02:00:01 1 0.24 0.00 0.15 0.00 0.04 99.57 02:10:06 all 0.27 0.00 0.08 0.01 0.04 99.60 02:10:06 0 0.39 0.00 0.05 0.01 0.03 99.52 02:10:06 1 0.16 0.00 0.11 0.00 0.04 99.68 02:20:01 all 0.26 0.00 0.07 0.01 0.03 99.63 02:20:01 0 0.44 0.00 0.04 0.01 0.02 99.49 02:20:01 1 0.07 0.00 0.10 0.01 0.04 99.77 02:30:01 all 0.32 0.00 0.21 0.03 0.03 99.41 02:30:01 0 0.35 0.00 0.19 0.02 0.03 99.41 02:30:01 1 0.29 0.00 0.24 0.04 0.04 99.40 02:40:02 all 0.39 0.00 0.10 0.03 0.03 99.44 02:40:02 0 0.32 0.00 0.12 0.04 0.04 99.49 02:40:02 1 0.47 0.00 0.08 0.03 0.03 99.40 02:50:01 all 6.35 0.00 0.94 0.35 0.04 92.32 02:50:01 0 8.41 0.00 1.13 0.38 0.05 90.03 02:50:01 1 4.30 0.00 0.75 0.31 0.04 94.60 03:00:01 all 5.86 0.00 1.05 0.18 0.06 92.85 03:00:01 0 5.94 0.00 1.00 0.22 0.06 92.77 03:00:01 1 5.78 0.00 1.10 0.13 0.07 92.92 03:10:02 all 0.39 0.00 0.16 0.01 0.06 99.38 03:10:02 0 0.39 0.00 0.15 0.02 0.06 99.40 03:10:02 1 0.39 0.00 0.17 0.00 0.07 99.37 03:20:01 all 0.42 0.00 0.15 0.07 0.06 99.31 03:20:01 0 0.51 0.00 0.06 0.06 0.03 99.34 03:20:01 1 0.32 0.00 0.23 0.08 0.09 99.28 Average: all 1.62 0.00 0.32 0.08 0.04 97.93 Average: 0 1.90 0.00 0.32 0.09 0.04 97.65 Average: 1 1.34 0.00 0.33 0.07 0.05 98.22