---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60342 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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: 5600.02 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 761 5171 4 2302 7180 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:41:47:56 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.192/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79962sec preferred_lft 79962sec inet6 fe80::f816:3eff:fe41:4756/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60342) 09/28/26 _x86_64_ (2 CPU) 01:06:03 LINUX RESTART (2 CPU) 01:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:43 1.37 0.03 1.35 0.00 1.20 16.59 5.48 01:30:01 1.57 0.01 1.53 0.03 0.06 18.77 31.16 01:40:09 1.96 0.32 1.61 0.02 42.95 104.48 0.30 01:50:34 1.34 0.00 1.32 0.02 0.00 16.10 52.52 02:00:01 15.57 0.00 1.58 13.99 0.15 18.68 115638.90 02:10:24 1.42 0.00 1.41 0.01 0.00 16.64 43.16 02:20:04 1.33 0.00 1.33 0.00 0.00 15.41 0.00 02:30:01 1.56 0.00 1.55 0.01 0.00 18.63 428.41 02:40:44 1.40 0.00 1.40 0.00 0.00 16.52 0.00 02:50:44 26.86 2.83 21.69 2.33 223.70 3808.99 1800.01 Average: 5.34 0.32 3.46 1.56 26.74 403.37 11128.02 01:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:43 6307636 7555292 265148 3.26 30608 1423660 532772 5.80 448308 1184072 172 01:30:01 6292296 7540504 280016 3.44 30832 1423968 532928 5.80 448352 1184604 252 01:40:09 6235716 7523920 295624 3.64 31476 1462864 734984 8.01 464452 1214032 224 01:50:34 6234720 7523500 296056 3.64 31692 1463184 734984 8.01 464264 1214596 184 02:00:01 6238332 7527864 291508 3.58 31920 1463660 734984 8.01 464436 1215144 264 02:10:24 6237604 7527716 291660 3.59 32132 1464020 735048 8.01 464652 1215716 124 02:20:04 6237100 7527668 291664 3.59 32292 1464312 735048 8.01 464688 1216168 212 02:30:01 6253560 7544660 274660 3.38 32476 1464644 735048 8.01 464588 1216684 240 02:40:44 6251808 7543452 275868 3.39 32652 1465004 735112 8.01 464736 1217220 124 02:50:44 5130100 7368380 397224 4.88 88108 2310436 851368 9.27 611480 2072612 124 Average: 6141887 7518296 295943 3.64 37419 1540575 706228 7.69 475996 1295085 192 01:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:43 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:43 ens3 0.84 0.10 0.13 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 0.37 0.05 0.07 0.04 0.00 0.00 0.00 0.00 01:40:09 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 1.17 0.30 9.29 0.08 0.00 0.00 0.00 0.00 01:50:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:34 ens3 0.24 0.04 0.03 0.01 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 0.29 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:10:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:24 ens3 0.36 0.18 0.06 0.49 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 0.24 0.04 0.04 0.01 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 0.20 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:40:44 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:44 ens3 0.26 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:50:44 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:50:44 ens3 125.83 103.35 346.53 30.85 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 12.92 10.37 35.48 3.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60342) 09/28/26 _x86_64_ (2 CPU) 01:06:03 LINUX RESTART (2 CPU) 01:10:16 CPU %user %nice %system %iowait %steal %idle 01:20:43 all 0.27 0.00 0.08 0.01 0.00 99.64 01:20:43 0 0.08 0.00 0.11 0.01 0.00 99.80 01:20:43 1 0.45 0.00 0.05 0.02 0.00 99.48 01:30:01 all 0.28 0.00 0.17 0.01 0.00 99.53 01:30:01 0 0.08 0.00 0.19 0.03 0.00 99.70 01:30:01 1 0.49 0.00 0.15 0.00 0.00 99.36 01:40:09 all 0.41 0.00 0.12 0.03 0.00 99.43 01:40:09 0 0.15 0.00 0.12 0.04 0.00 99.68 01:40:09 1 0.68 0.00 0.12 0.02 0.00 99.19 01:50:34 all 0.25 0.00 0.07 0.01 0.00 99.67 01:50:34 0 0.45 0.00 0.04 0.01 0.00 99.50 01:50:34 1 0.05 0.00 0.09 0.02 0.00 99.83 02:00:01 all 0.29 0.00 0.17 0.05 0.00 99.49 02:00:01 0 0.50 0.00 0.12 0.01 0.00 99.38 02:00:01 1 0.09 0.00 0.23 0.09 0.00 99.60 02:10:24 all 0.29 0.00 0.06 0.01 0.00 99.64 02:10:24 0 0.50 0.00 0.05 0.01 0.00 99.44 02:10:24 1 0.07 0.00 0.07 0.02 0.00 99.84 02:20:04 all 0.26 0.00 0.06 0.01 0.00 99.66 02:20:04 0 0.48 0.00 0.04 0.01 0.00 99.47 02:20:04 1 0.04 0.00 0.08 0.02 0.00 99.86 02:30:01 all 0.23 0.00 0.14 0.02 0.00 99.61 02:30:01 0 0.41 0.00 0.12 0.02 0.00 99.46 02:30:01 1 0.06 0.00 0.16 0.02 0.00 99.76 02:40:44 all 0.24 0.00 0.06 0.01 0.00 99.68 02:40:44 0 0.44 0.00 0.03 0.02 0.00 99.50 02:40:44 1 0.04 0.00 0.09 0.00 0.00 99.86 02:50:44 all 17.49 0.00 2.30 0.75 0.02 79.44 02:50:44 0 16.83 0.00 2.38 0.65 0.02 80.12 02:50:44 1 18.16 0.00 2.22 0.85 0.02 78.75 Average: all 1.99 0.00 0.32 0.09 0.00 97.59 Average: 0 1.99 0.00 0.32 0.08 0.00 97.61 Average: 1 2.00 0.00 0.32 0.10 0.00 97.57