---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6210 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 784 5137 4 2313 7156 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:d6:91:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80030sec preferred_lft 80030sec inet6 fe80::f816:3eff:fed6:91fd/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-6210) 09/09/26 _x86_64_ (2 CPU) 01:07:46 LINUX RESTART (2 CPU) 01:10:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 1.21 0.03 1.18 0.00 1.30 14.88 0.01 01:30:21 14.93 0.33 1.80 12.81 42.26 105.30 105941.35 01:40:21 1.27 0.00 1.25 0.02 0.00 15.19 49.73 01:50:01 1.25 0.00 1.23 0.02 0.00 14.94 51.44 02:00:01 1.51 0.00 1.48 0.03 0.00 17.82 684.51 02:10:21 1.36 0.00 1.35 0.02 0.00 16.09 52.94 02:20:01 1.36 0.00 1.35 0.02 0.00 15.71 46.34 02:30:21 1.61 0.00 1.58 0.03 0.00 19.37 671.39 02:40:01 1.29 0.00 1.28 0.02 0.00 15.42 46.30 02:50:01 26.77 2.84 21.63 2.30 224.31 3577.18 1254.41 Average: 5.32 0.32 3.42 1.57 27.01 382.69 11277.98 01:10:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6285516 7532748 287584 3.54 30528 1423372 523976 5.71 447728 1183756 280 01:30:21 6250100 7537352 281916 3.47 31212 1462176 723548 7.88 464772 1213132 124 01:40:21 6250832 7538740 280512 3.45 31420 1462632 723620 7.88 465024 1213652 188 01:50:01 6249572 7538024 281236 3.46 31620 1462956 723764 7.88 465056 1214192 268 02:00:01 6246696 7535836 283400 3.48 31828 1463416 723756 7.88 465488 1214732 208 02:10:21 6252748 7542412 276800 3.40 32040 1463736 723764 7.88 465416 1215252 176 02:20:01 6250264 7540468 278704 3.43 32228 1464064 723828 7.88 465704 1215780 272 02:30:21 6234196 7524968 294140 3.62 32452 1464396 723960 7.89 465940 1216336 124 02:40:01 6241784 7533092 286040 3.52 32656 1464720 724156 7.89 465964 1216864 288 02:50:01 5104504 7332952 432980 5.32 88076 2300952 876900 9.55 647320 2063008 320 Average: 6136621 7515659 298331 3.67 37406 1543242 719127 7.83 481841 1296670 225 01:10:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.56 0.11 0.18 0.06 0.00 0.00 0.00 0.00 01:30:21 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:21 ens3 0.93 0.38 3.25 0.06 0.00 0.00 0.00 0.00 01:40:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:21 ens3 0.31 0.07 0.06 0.03 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.43 0.06 0.07 0.03 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 0.28 0.07 0.06 0.03 0.00 0.00 0.00 0.00 02:10:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:21 ens3 0.31 0.03 0.03 0.01 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 0.25 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:21 ens3 0.38 0.18 0.05 0.54 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.37 0.11 0.12 0.07 0.00 0.00 0.00 0.00 02:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:50:01 ens3 108.13 93.12 370.94 29.97 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 11.33 9.45 37.61 3.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6210) 09/09/26 _x86_64_ (2 CPU) 01:07:46 LINUX RESTART (2 CPU) 01:10:21 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.28 0.00 0.12 0.01 0.01 99.58 01:20:01 0 0.26 0.00 0.13 0.02 0.01 99.58 01:20:01 1 0.30 0.00 0.11 0.00 0.01 99.57 01:30:21 all 0.48 0.00 0.26 0.06 0.01 99.20 01:30:21 0 0.33 0.00 0.27 0.09 0.01 99.31 01:30:21 1 0.62 0.00 0.24 0.03 0.01 99.10 01:40:21 all 0.28 0.00 0.10 0.01 0.01 99.61 01:40:21 0 0.06 0.00 0.13 0.01 0.01 99.80 01:40:21 1 0.49 0.00 0.07 0.02 0.01 99.41 01:50:01 all 0.27 0.00 0.12 0.01 0.01 99.59 01:50:01 0 0.07 0.00 0.15 0.00 0.01 99.78 01:50:01 1 0.48 0.00 0.10 0.02 0.01 99.40 02:00:01 all 0.27 0.00 0.20 0.01 0.01 99.50 02:00:01 0 0.09 0.00 0.23 0.00 0.01 99.67 02:00:01 1 0.46 0.00 0.18 0.02 0.01 99.33 02:10:21 all 0.27 0.00 0.11 0.01 0.01 99.61 02:10:21 0 0.06 0.00 0.14 0.00 0.01 99.79 02:10:21 1 0.47 0.00 0.08 0.02 0.00 99.43 02:20:01 all 0.25 0.00 0.09 0.01 0.00 99.64 02:20:01 0 0.06 0.00 0.13 0.00 0.00 99.81 02:20:01 1 0.44 0.00 0.06 0.02 0.00 99.47 02:30:21 all 0.31 0.00 0.18 0.02 0.00 99.48 02:30:21 0 0.30 0.00 0.18 0.01 0.00 99.51 02:30:21 1 0.32 0.00 0.18 0.03 0.01 99.46 02:40:01 all 0.25 0.00 0.11 0.01 0.01 99.61 02:40:01 0 0.07 0.00 0.13 0.02 0.01 99.77 02:40:01 1 0.43 0.00 0.10 0.01 0.01 99.45 02:50:01 all 17.97 0.00 2.35 0.75 0.02 78.90 02:50:01 0 22.82 0.00 2.44 0.72 0.02 74.00 02:50:01 1 13.13 0.00 2.27 0.77 0.03 83.80 Average: all 2.07 0.00 0.37 0.09 0.01 97.47 Average: 0 2.41 0.00 0.39 0.09 0.01 97.10 Average: 1 1.72 0.00 0.34 0.10 0.01 97.84