---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-140 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 753 5193 4 2288 7188 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:3b:cf:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81329sec preferred_lft 81329sec inet6 fe80::f816:3eff:fe3b:cfb6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-140) 09/05/26 _x86_64_ (2 CPU) 01:06:59 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:29 1.29 0.03 1.26 0.00 1.20 15.75 5.48 01:30:09 1.52 0.01 1.50 0.02 0.06 18.70 889.06 01:40:02 1.09 0.00 1.08 0.00 0.00 13.76 5.81 01:50:29 1.13 0.00 1.13 0.00 0.00 13.95 0.00 02:00:29 2.05 0.33 1.71 0.02 43.49 106.76 426.93 02:10:01 1.13 0.00 1.13 0.00 0.00 13.82 0.00 02:20:29 1.21 0.00 1.19 0.02 0.00 14.74 47.51 02:30:00 27.82 3.17 22.08 2.57 241.65 3955.25 1797.88 Average: 4.49 0.42 3.76 0.31 34.36 495.48 382.45 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:29 6306932 7553956 266560 3.28 30532 1423192 521752 5.68 446756 1183740 168 01:30:09 6304896 7552456 268052 3.30 30744 1423492 521776 5.68 446696 1184252 136 01:40:02 6311128 7559188 261320 3.21 30924 1423816 521992 5.69 446928 1184748 148 01:50:29 6309216 7557804 262696 3.23 31092 1424168 522056 5.69 447200 1185276 172 02:00:29 6232324 7520892 298444 3.67 31736 1462996 722508 7.87 465544 1214536 152 02:10:01 6239424 7528436 290896 3.58 31872 1463292 722708 7.87 465584 1214968 240 02:20:29 6238920 7528516 290808 3.58 32092 1463648 722708 7.87 465732 1215544 124 02:30:00 5426640 7457896 316956 3.90 88180 2111676 755040 8.22 555584 1873836 1140 Average: 6171185 7532393 281966 3.47 38396 1524535 626318 6.82 467503 1282112 285 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:29 ens3 2.00 0.12 2.84 0.09 0.00 0.00 0.00 0.00 01:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:09 ens3 0.52 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 0.46 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:50:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:29 ens3 0.57 0.12 0.16 0.09 0.00 0.00 0.00 0.00 02:00:29 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:29 ens3 0.66 0.37 3.32 0.06 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.36 0.17 0.05 0.69 0.00 0.00 0.00 0.00 02:20:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:29 ens3 0.22 0.04 0.04 0.05 0.00 0.00 0.00 0.00 02:30:00 lo 1.33 1.33 0.08 0.08 0.00 0.00 0.00 0.00 02:30:00 ens3 70.28 53.10 334.66 12.31 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 8.98 6.44 40.67 1.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-140) 09/05/26 _x86_64_ (2 CPU) 01:06:59 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:29 all 0.27 0.00 0.09 0.01 0.00 99.63 01:20:29 0 0.26 0.00 0.09 0.00 0.00 99.65 01:20:29 1 0.28 0.00 0.10 0.02 0.00 99.61 01:30:09 all 0.30 0.00 0.17 0.01 0.00 99.51 01:30:09 0 0.13 0.00 0.20 0.01 0.01 99.66 01:30:09 1 0.48 0.00 0.14 0.02 0.00 99.36 01:40:02 all 0.26 0.00 0.08 0.01 0.00 99.64 01:40:02 0 0.05 0.00 0.10 0.01 0.00 99.85 01:40:02 1 0.48 0.00 0.06 0.02 0.00 99.44 01:50:29 all 0.26 0.00 0.08 0.01 0.00 99.64 01:50:29 0 0.06 0.00 0.10 0.01 0.00 99.83 01:50:29 1 0.47 0.00 0.07 0.01 0.00 99.45 02:00:29 all 0.40 0.00 0.24 0.03 0.00 99.33 02:00:29 0 0.35 0.00 0.19 0.03 0.01 99.42 02:00:29 1 0.45 0.00 0.28 0.03 0.00 99.24 02:10:01 all 0.21 0.00 0.08 0.01 0.00 99.70 02:10:01 0 0.35 0.00 0.06 0.00 0.00 99.59 02:10:01 1 0.06 0.00 0.11 0.02 0.00 99.81 02:20:29 all 0.21 0.00 0.07 0.01 0.00 99.70 02:20:29 0 0.35 0.00 0.05 0.00 0.00 99.60 02:20:29 1 0.08 0.00 0.09 0.02 0.00 99.81 02:30:00 all 13.91 0.00 2.52 1.06 0.01 82.50 02:30:00 0 11.43 0.00 2.29 0.85 0.02 85.41 02:30:00 1 16.39 0.00 2.74 1.27 0.01 79.58 Average: all 1.90 0.00 0.40 0.14 0.00 97.56 Average: 0 1.55 0.00 0.37 0.11 0.01 97.96 Average: 1 2.24 0.00 0.43 0.17 0.00 97.16