---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3060 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 759 5191 4 2285 7182 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:27:1c:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80332sec preferred_lft 80332sec inet6 fe80::f816:3eff:fe27:1cf4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3060) 09/08/26 _x86_64_ (2 CPU) 01:07:39 LINUX RESTART (2 CPU) 01:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:09 1.61 0.05 1.56 0.00 3.40 18.19 0.19 01:30:01 1.46 0.01 1.43 0.02 0.05 17.45 216.50 01:40:09 1.82 0.32 1.49 0.01 42.92 102.84 5.08 01:50:09 1.19 0.00 1.17 0.02 0.00 14.35 49.73 02:00:01 1.46 0.00 1.43 0.03 0.00 17.96 698.14 02:10:09 14.33 0.00 1.26 13.07 0.14 15.18 107654.91 02:20:09 1.19 0.00 1.19 0.00 0.00 14.35 4.97 02:30:01 1.37 0.00 1.36 0.01 0.00 16.71 647.32 02:40:04 1.22 0.00 1.22 0.00 0.00 14.73 0.00 Average: 2.87 0.04 1.34 1.48 5.24 25.88 12299.94 01:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:09 6289336 7536528 283732 3.49 30564 1423288 522036 5.69 446340 1183980 200 01:30:01 6267540 7515280 304988 3.75 30756 1423620 522300 5.69 445384 1184504 156 01:40:09 6218200 7505772 313504 3.85 31360 1462364 714960 7.79 467264 1213768 156 01:50:09 6239680 7527756 291492 3.58 31544 1462688 715052 7.79 467624 1214268 212 02:00:01 6234480 7523288 295940 3.64 31772 1463148 715104 7.79 467704 1214836 320 02:10:09 6247160 7536560 282560 3.47 31980 1463520 715116 7.79 467948 1215388 184 02:20:09 6243884 7533792 285304 3.51 32160 1463848 715116 7.79 468088 1215888 208 02:30:01 6236080 7526508 292576 3.60 32324 1464176 715116 7.79 468100 1216384 272 02:40:04 6243668 7534596 284520 3.50 32492 1464500 715244 7.79 468168 1216880 256 Average: 6246670 7526676 292735 3.60 31661 1454572 672227 7.32 462958 1208433 218 01:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:09 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 1.20 0.10 0.17 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 0.53 0.08 0.09 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 0.71 0.35 3.30 0.06 0.00 0.00 0.00 0.00 01:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:09 ens3 0.34 0.08 0.08 0.04 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 0.44 0.08 0.07 0.04 0.00 0.00 0.00 0.00 02:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 0.25 0.09 0.03 0.52 0.00 0.00 0.00 0.00 02:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:09 ens3 0.21 0.05 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 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:04 ens3 0.23 0.04 0.05 0.03 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.46 0.10 0.43 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3060) 09/08/26 _x86_64_ (2 CPU) 01:07:39 LINUX RESTART (2 CPU) 01:10:09 CPU %user %nice %system %iowait %steal %idle 01:20:09 all 0.31 0.00 0.12 0.01 0.01 99.55 01:20:09 0 0.31 0.00 0.11 0.02 0.01 99.55 01:20:09 1 0.31 0.00 0.12 0.01 0.01 99.56 01:30:01 all 0.33 0.00 0.22 0.01 0.00 99.43 01:30:01 0 0.58 0.00 0.22 0.02 0.00 99.18 01:30:01 1 0.08 0.00 0.22 0.01 0.01 99.69 01:40:09 all 0.41 0.00 0.13 0.02 0.00 99.43 01:40:09 0 0.44 0.00 0.12 0.04 0.00 99.40 01:40:09 1 0.38 0.00 0.15 0.01 0.00 99.45 01:50:09 all 0.27 0.00 0.09 0.01 0.00 99.63 01:50:09 0 0.47 0.00 0.06 0.01 0.00 99.46 01:50:09 1 0.06 0.00 0.12 0.01 0.01 99.81 02:00:01 all 0.29 0.00 0.19 0.01 0.00 99.51 02:00:01 0 0.50 0.00 0.19 0.02 0.00 99.29 02:00:01 1 0.07 0.00 0.19 0.01 0.01 99.73 02:10:09 all 0.26 0.00 0.11 0.04 0.00 99.59 02:10:09 0 0.44 0.00 0.08 0.01 0.00 99.47 02:10:09 1 0.08 0.00 0.13 0.07 0.00 99.72 02:20:09 all 0.24 0.00 0.12 0.01 0.01 99.63 02:20:09 0 0.44 0.00 0.10 0.00 0.01 99.46 02:20:09 1 0.05 0.00 0.14 0.02 0.01 99.79 02:30:01 all 0.27 0.00 0.23 0.01 0.00 99.49 02:30:01 0 0.38 0.00 0.20 0.00 0.00 99.41 02:30:01 1 0.16 0.00 0.25 0.02 0.01 99.56 02:40:04 all 0.25 0.00 0.12 0.01 0.00 99.62 02:40:04 0 0.39 0.00 0.10 0.01 0.00 99.50 02:40:04 1 0.11 0.00 0.13 0.00 0.01 99.74 Average: all 0.29 0.00 0.15 0.02 0.00 99.54 Average: 0 0.44 0.00 0.13 0.01 0.00 99.41 Average: 1 0.14 0.00 0.16 0.02 0.01 99.67