---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6216 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: 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 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 782 5167 4 2285 7159 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:1f:39:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78451sec preferred_lft 78451sec inet6 fe80::f816:3eff:fe1f:3975/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6216) 09/09/26 _x86_64_ (2 CPU) 01:07:50 LINUX RESTART (2 CPU) 01:10:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:17 1.44 0.03 1.41 0.00 1.26 17.29 5.76 01:30:20 1.51 0.01 1.49 0.02 0.05 18.39 218.03 01:40:20 14.60 0.00 1.38 13.22 0.15 16.52 109057.03 01:50:20 1.92 0.33 1.59 0.01 43.49 105.33 0.17 02:00:07 1.51 0.00 1.50 0.01 0.00 18.13 436.08 02:10:20 1.31 0.00 1.31 0.00 0.00 15.47 0.00 02:20:17 1.41 0.00 1.39 0.02 0.00 16.69 50.00 02:30:20 1.55 0.00 1.52 0.02 0.00 18.51 468.71 02:40:07 1.39 0.00 1.37 0.02 0.00 16.80 50.85 02:50:20 25.48 2.78 20.44 2.27 219.35 3483.47 1363.82 03:00:17 1.46 0.00 1.43 0.03 0.00 18.24 0.35 03:10:20 1.18 0.00 1.16 0.02 0.00 15.33 0.33 03:20:01 6.15 0.08 4.62 1.44 6.22 247.05 2236.13 Average: 4.72 0.25 3.15 1.32 21.22 314.29 8778.12 01:10:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:17 6286908 7533640 286804 3.53 30544 1423056 527632 5.75 442040 1183780 200 01:30:20 6287932 7535192 285188 3.51 30732 1423388 527696 5.75 442060 1184300 124 01:40:20 6290312 7538108 282244 3.47 30896 1423756 527840 5.75 442364 1184804 148 01:50:20 6209736 7497396 322056 3.96 31508 1462512 728968 7.94 460464 1214088 208 02:00:07 6225376 7513732 305616 3.76 31708 1462972 729000 7.94 460900 1214616 208 02:10:20 6232964 7521816 297588 3.66 31876 1463292 729000 7.94 460932 1215108 160 02:20:17 6232716 7522104 297312 3.66 32080 1463616 729064 7.94 461168 1215636 124 02:30:20 6236284 7526228 293080 3.60 32280 1463948 729064 7.94 461232 1216168 184 02:40:07 6235052 7525532 293788 3.61 32496 1464276 729128 7.94 461328 1216700 256 02:50:20 5178080 7397816 368244 4.53 88148 2292424 834200 9.09 597672 2054864 248 03:00:17 5166780 7387028 378940 4.66 88292 2292776 834232 9.09 597796 2055372 220 03:10:20 5166780 7387592 378408 4.65 88504 2293128 834232 9.09 597880 2055936 300 03:20:01 5394264 7432940 342220 4.21 91220 2116436 776476 8.46 561496 1880452 28548 Average: 5934091 7486086 317807 3.91 49253 1695814 710502 7.74 495949 1453217 2379 01:10:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:17 ens3 1.53 0.10 0.18 0.06 0.00 0.00 0.00 0.00 01:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:20 ens3 0.50 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:40:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:20 ens3 0.32 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:50:20 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:50:20 ens3 0.76 0.31 3.34 0.05 0.00 0.00 0.00 0.00 02:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 0.28 0.06 0.06 0.03 0.00 0.00 0.00 0.00 02:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:20 ens3 0.32 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:17 ens3 0.35 0.19 0.05 0.56 0.00 0.00 0.00 0.00 02:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:20 ens3 0.22 0.06 0.04 0.02 0.00 0.00 0.00 0.00 02:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 0.38 0.10 0.12 0.07 0.00 0.00 0.00 0.00 02:50:20 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 02:50:20 ens3 61.30 44.93 310.26 10.88 0.00 0.00 0.00 0.00 03:00:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:17 ens3 2.04 0.34 0.41 0.17 0.00 0.00 0.00 0.00 03:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:20 ens3 0.49 0.18 0.07 0.03 0.00 0.00 0.00 0.00 03:20:01 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 03:20:01 ens3 7.73 5.82 9.68 3.00 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 5.96 4.09 25.52 1.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6216) 09/09/26 _x86_64_ (2 CPU) 01:07:50 LINUX RESTART (2 CPU) 01:10:20 CPU %user %nice %system %iowait %steal %idle 01:20:17 all 0.26 0.00 0.09 0.01 0.01 99.62 01:20:17 0 0.45 0.00 0.06 0.02 0.01 99.46 01:20:17 1 0.08 0.00 0.12 0.00 0.01 99.78 01:30:20 all 0.29 0.00 0.17 0.01 0.01 99.52 01:30:20 0 0.46 0.00 0.14 0.02 0.00 99.37 01:30:20 1 0.12 0.00 0.19 0.00 0.01 99.67 01:40:20 all 0.27 0.00 0.11 0.04 0.00 99.57 01:40:20 0 0.34 0.00 0.10 0.08 0.00 99.48 01:40:20 1 0.21 0.00 0.12 0.00 0.00 99.67 01:50:20 all 0.39 0.00 0.14 0.03 0.00 99.44 01:50:20 0 0.44 0.00 0.11 0.02 0.00 99.43 01:50:20 1 0.35 0.00 0.17 0.03 0.01 99.45 02:00:07 all 0.29 0.00 0.17 0.01 0.00 99.52 02:00:07 0 0.51 0.00 0.15 0.01 0.00 99.33 02:00:07 1 0.06 0.00 0.20 0.02 0.01 99.72 02:10:20 all 0.25 0.00 0.07 0.01 0.00 99.67 02:10:20 0 0.44 0.00 0.04 0.01 0.00 99.50 02:10:20 1 0.05 0.00 0.11 0.01 0.00 99.83 02:20:17 all 0.25 0.00 0.09 0.09 0.00 99.56 02:20:17 0 0.43 0.00 0.06 0.18 0.00 99.32 02:20:17 1 0.06 0.00 0.12 0.00 0.01 99.81 02:30:20 all 0.29 0.00 0.18 0.01 0.01 99.51 02:30:20 0 0.34 0.00 0.16 0.02 0.01 99.47 02:30:20 1 0.23 0.00 0.20 0.00 0.01 99.56 02:40:07 all 0.25 0.00 0.09 0.02 0.01 99.64 02:40:07 0 0.44 0.00 0.06 0.03 0.01 99.47 02:40:07 1 0.06 0.00 0.11 0.00 0.01 99.82 02:50:20 all 11.76 0.00 2.08 0.60 0.01 85.54 02:50:20 0 11.07 0.00 1.85 0.38 0.01 86.69 02:50:20 1 12.46 0.00 2.31 0.82 0.02 84.40 03:00:17 all 0.43 0.00 0.26 0.01 0.01 99.29 03:00:17 0 0.44 0.00 0.24 0.01 0.01 99.30 03:00:17 1 0.42 0.00 0.28 0.01 0.01 99.28 03:00:17 CPU %user %nice %system %iowait %steal %idle 03:10:20 all 0.39 0.00 0.17 0.02 0.01 99.42 03:10:20 0 0.41 0.00 0.13 0.02 0.01 99.43 03:10:20 1 0.36 0.00 0.21 0.01 0.02 99.40 03:20:01 all 4.36 0.00 0.67 0.13 0.01 94.83 03:20:01 0 3.51 0.00 0.58 0.22 0.01 95.68 03:20:01 1 5.22 0.00 0.75 0.04 0.01 93.98 Average: all 1.51 0.00 0.33 0.08 0.01 98.07 Average: 0 1.50 0.00 0.29 0.08 0.01 98.13 Average: 1 1.53 0.00 0.38 0.07 0.01 98.01