---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-57603 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: 5600.00 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 766 5166 4 2303 7175 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:d2:15:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 73481sec preferred_lft 73481sec inet6 fe80::f816:3eff:fed2:15aa/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-57603) 09/23/26 _x86_64_ (2 CPU) 01:04:13 LINUX RESTART (2 CPU) 01:10:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:24 1.27 0.01 1.26 0.00 0.07 15.51 9.95 01:30:24 14.64 0.00 1.39 13.25 0.15 17.36 109008.86 01:40:24 1.21 0.00 1.20 0.02 0.00 14.64 49.73 01:50:24 1.23 0.00 1.22 0.02 0.00 14.81 44.76 02:00:24 1.48 0.00 1.45 0.03 0.00 17.97 49.99 02:10:24 1.46 0.00 1.44 0.02 0.00 16.76 49.73 02:20:24 1.38 0.00 1.36 0.02 0.00 15.83 49.73 02:30:01 1.55 0.00 1.52 0.03 0.00 18.30 51.94 02:40:24 1.36 0.00 1.35 0.02 0.00 16.11 47.91 02:50:04 1.41 0.00 1.39 0.02 0.00 16.60 51.42 03:00:01 1.57 0.00 1.54 0.03 0.00 18.65 50.19 03:10:24 1.38 0.00 1.36 0.02 0.00 16.66 47.94 03:20:24 1.47 0.00 1.47 0.00 0.00 17.71 4.97 03:30:01 1.61 0.00 1.60 0.01 0.00 19.65 0.24 03:40:24 1.41 0.00 1.41 0.00 0.00 17.01 0.00 03:50:24 1.39 0.00 1.39 0.00 0.00 16.68 0.00 04:00:01 1.51 0.00 1.49 0.01 0.00 18.39 0.24 04:10:24 1.40 0.00 1.40 0.00 0.00 17.05 0.00 04:20:24 1.39 0.00 1.39 0.00 0.00 16.57 0.00 04:30:01 1.63 0.00 1.62 0.01 0.00 19.79 0.26 Average: 2.09 0.00 1.41 0.68 0.01 17.08 5486.06 01:10:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:24 6232872 7520200 299288 3.68 31100 1462352 727972 7.93 460796 1213104 144 01:30:24 6238988 7526952 292440 3.60 31308 1462736 727972 7.93 461148 1213660 164 01:40:24 6253648 7542140 277244 3.41 31508 1463056 728324 7.93 461596 1214184 132 01:50:24 6251132 7540224 279152 3.43 31708 1463444 728324 7.93 461696 1214708 132 02:00:24 6237856 7527624 291728 3.59 31920 1463896 728324 7.93 461744 1215256 212 02:10:24 6245472 7535788 283536 3.49 32124 1464236 728332 7.93 461892 1215784 236 02:20:24 6242956 7533932 285396 3.51 32324 1464684 728332 7.93 462052 1216312 204 02:30:01 6245464 7536944 282284 3.47 32528 1464976 728404 7.93 462300 1216796 264 02:40:24 6244972 7537040 282228 3.47 32736 1465336 728404 7.93 462396 1217376 216 02:50:04 6246992 7539568 279700 3.44 32940 1465632 728468 7.93 462408 1217876 196 03:00:01 6241200 7534320 284892 3.50 33144 1465956 728476 7.93 462312 1218404 240 03:10:24 6240960 7534784 284392 3.50 33352 1466448 728512 7.93 462556 1218972 292 03:20:24 6248548 7542884 276296 3.40 33524 1466776 728512 7.93 462632 1219472 284 03:30:01 6247708 7542520 276604 3.40 33700 1467072 728544 7.94 462712 1219940 152 03:40:24 6247244 7542592 276524 3.40 33868 1467432 728692 7.94 462656 1220468 224 03:50:24 6246492 7542480 276660 3.40 34044 1467884 728692 7.94 462816 1220972 220 04:00:01 6245384 7541832 277308 3.41 34196 1468180 728828 7.94 462820 1221424 124 04:10:24 6244880 7541864 277272 3.41 34372 1468536 728752 7.94 462824 1221952 180 04:20:24 6244156 7541624 277496 3.41 34516 1468868 728756 7.94 462880 1222428 192 04:30:01 6246332 7544272 274864 3.38 34688 1469160 728752 7.94 462832 1222888 264 Average: 6244663 7537479 281765 3.46 32980 1465833 728469 7.93 462253 1218099 204 01:10:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:24 ens3 1.45 0.16 0.28 0.13 0.00 0.00 0.00 0.00 01:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:24 ens3 0.62 0.11 0.14 0.07 0.00 0.00 0.00 0.00 01:40:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:24 ens3 1.61 0.38 0.42 0.91 0.00 0.00 0.00 0.00 01:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:24 ens3 0.43 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:00:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:24 ens3 0.40 0.03 0.05 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 0.44 0.09 0.14 0.08 0.00 0.00 0.00 0.00 02:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:24 ens3 0.31 0.05 0.06 0.03 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 0.73 0.18 0.25 0.15 0.00 0.00 0.00 0.00 02:40:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:24 ens3 0.48 0.11 0.14 0.08 0.00 0.00 0.00 0.00 02:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 0.49 0.10 0.12 0.06 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.28 0.05 0.07 0.03 0.00 0.00 0.00 0.00 03:10:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:24 ens3 0.22 0.05 0.05 0.03 0.00 0.00 0.00 0.00 03:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:24 ens3 0.20 0.04 0.04 0.01 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 0.35 0.08 0.10 0.06 0.00 0.00 0.00 0.00 03:40:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:24 ens3 0.18 0.03 0.03 0.01 0.00 0.00 0.00 0.00 03:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:24 ens3 0.18 0.03 0.03 0.01 0.00 0.00 0.00 0.00 04:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:01 ens3 0.17 0.05 0.03 0.02 0.00 0.00 0.00 0.00 04:10:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:24 ens3 0.20 0.04 0.06 0.03 0.00 0.00 0.00 0.00 04:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:20:24 ens3 0.17 0.03 0.03 0.01 0.00 0.00 0.00 0.00 04:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:30:01 ens3 0.17 0.04 0.03 0.01 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 0.45 0.08 0.11 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57603) 09/23/26 _x86_64_ (2 CPU) 01:04:13 LINUX RESTART (2 CPU) 01:10:24 CPU %user %nice %system %iowait %steal %idle 01:20:24 all 0.28 0.00 0.08 0.01 0.00 99.62 01:20:24 0 0.46 0.00 0.07 0.00 0.00 99.47 01:20:24 1 0.11 0.00 0.10 0.03 0.00 99.77 01:30:24 all 0.28 0.00 0.17 0.04 0.00 99.51 01:30:24 0 0.47 0.00 0.16 0.00 0.00 99.37 01:30:24 1 0.08 0.00 0.18 0.08 0.01 99.65 01:40:24 all 0.29 0.00 0.06 0.01 0.00 99.63 01:40:24 0 0.17 0.00 0.08 0.00 0.00 99.75 01:40:24 1 0.41 0.00 0.05 0.03 0.00 99.51 01:50:24 all 0.25 0.00 0.06 0.01 0.00 99.68 01:50:24 0 0.04 0.00 0.08 0.00 0.00 99.88 01:50:24 1 0.46 0.00 0.04 0.03 0.00 99.47 02:00:24 all 0.27 0.00 0.17 0.02 0.00 99.54 02:00:24 0 0.07 0.00 0.19 0.00 0.00 99.74 02:00:24 1 0.47 0.00 0.16 0.03 0.00 99.35 02:10:24 all 0.24 0.00 0.07 0.02 0.00 99.68 02:10:24 0 0.05 0.00 0.09 0.02 0.00 99.84 02:10:24 1 0.43 0.00 0.04 0.02 0.00 99.51 02:20:24 all 0.23 0.00 0.07 0.01 0.00 99.68 02:20:24 0 0.04 0.00 0.08 0.01 0.00 99.86 02:20:24 1 0.43 0.00 0.06 0.01 0.00 99.50 02:30:01 all 0.27 0.00 0.15 0.01 0.01 99.55 02:30:01 0 0.08 0.00 0.16 0.01 0.01 99.74 02:30:01 1 0.47 0.00 0.15 0.02 0.01 99.36 02:40:24 all 0.26 0.00 0.08 0.01 0.00 99.65 02:40:24 0 0.05 0.00 0.10 0.00 0.01 99.84 02:40:24 1 0.46 0.00 0.05 0.02 0.00 99.46 02:50:04 all 0.25 0.00 0.09 0.01 0.01 99.64 02:50:04 0 0.06 0.00 0.12 0.02 0.01 99.79 02:50:04 1 0.44 0.00 0.06 0.01 0.01 99.49 03:00:01 all 0.30 0.00 0.16 0.01 0.00 99.52 03:00:01 0 0.08 0.00 0.20 0.02 0.01 99.70 03:00:01 1 0.52 0.00 0.13 0.01 0.00 99.35 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:24 all 0.22 0.00 0.10 0.01 0.00 99.67 03:10:24 0 0.06 0.00 0.10 0.02 0.00 99.82 03:10:24 1 0.37 0.00 0.09 0.00 0.00 99.52 03:20:24 all 0.28 0.00 0.10 0.01 0.01 99.61 03:20:24 0 0.06 0.00 0.11 0.02 0.01 99.80 03:20:24 1 0.49 0.00 0.08 0.00 0.01 99.42 03:30:01 all 0.26 0.00 0.16 0.01 0.00 99.56 03:30:01 0 0.27 0.00 0.14 0.02 0.00 99.56 03:30:01 1 0.25 0.00 0.18 0.00 0.01 99.56 03:40:24 all 0.27 0.00 0.08 0.01 0.01 99.63 03:40:24 0 0.48 0.00 0.05 0.01 0.00 99.45 03:40:24 1 0.05 0.00 0.11 0.01 0.01 99.82 03:50:24 all 0.25 0.00 0.09 0.01 0.00 99.65 03:50:24 0 0.45 0.00 0.05 0.01 0.00 99.49 03:50:24 1 0.06 0.00 0.13 0.01 0.01 99.80 04:00:01 all 0.26 0.00 0.16 0.01 0.00 99.58 04:00:01 0 0.32 0.00 0.13 0.01 0.00 99.54 04:00:01 1 0.19 0.00 0.18 0.02 0.00 99.61 04:10:24 all 0.28 0.00 0.08 0.01 0.00 99.62 04:10:24 0 0.05 0.00 0.11 0.00 0.00 99.83 04:10:24 1 0.52 0.00 0.05 0.02 0.00 99.41 04:20:24 all 0.24 0.00 0.09 0.01 0.00 99.65 04:20:24 0 0.05 0.00 0.12 0.02 0.00 99.81 04:20:24 1 0.44 0.00 0.07 0.01 0.00 99.49 04:30:01 all 0.29 0.00 0.18 0.01 0.00 99.51 04:30:01 0 0.36 0.00 0.17 0.02 0.00 99.45 04:30:01 1 0.23 0.00 0.20 0.00 0.00 99.57 Average: all 0.26 0.00 0.11 0.01 0.00 99.61 Average: 0 0.18 0.00 0.11 0.01 0.00 99.69 Average: 1 0.34 0.00 0.10 0.02 0.00 99.53