---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-57597 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 8.2G 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 786 4912 4 2546 7154 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:62:4e:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 73043sec preferred_lft 73043sec inet6 fe80::f816:3eff:fe62:4e53/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57597) 09/23/26 _x86_64_ (2 CPU) 01:03:57 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:37 1.33 0.01 1.31 0.00 0.06 16.44 0.04 01:30:17 1.59 0.00 1.56 0.03 0.00 19.68 0.41 01:40:01 1.27 0.00 1.25 0.02 0.00 15.69 6.00 01:50:37 1.32 0.00 1.31 0.02 0.00 16.28 0.14 02:00:07 2.27 0.35 1.89 0.04 45.78 114.02 720.55 02:10:37 1.37 0.00 1.36 0.01 0.00 16.53 28.43 02:20:17 15.16 0.00 1.49 13.67 0.15 17.78 112726.98 02:30:37 1.61 0.00 1.60 0.01 0.00 20.08 618.94 02:40:07 1.29 0.00 1.29 0.00 0.00 16.08 0.00 02:50:37 14.88 12.88 1.95 0.05 143.40 43.85 260.81 03:00:17 1.77 0.02 1.74 0.02 1.71 21.67 656.73 03:10:01 1.31 0.00 1.31 0.00 0.00 16.64 0.00 03:20:07 1.38 0.00 1.38 0.00 0.00 17.44 0.00 03:30:37 1.56 0.00 1.54 0.01 0.00 20.33 805.93 03:40:01 1.20 0.00 1.20 0.00 0.00 15.64 0.00 03:50:37 1.21 0.00 1.21 0.00 0.00 15.91 0.00 04:00:17 1.42 0.00 1.41 0.02 0.00 19.24 875.41 04:10:01 1.19 0.00 1.19 0.00 0.00 16.18 0.00 04:20:07 1.19 0.00 1.19 0.00 0.00 16.07 0.00 04:30:37 1.39 0.00 1.37 0.02 0.00 18.50 604.55 04:40:01 29.01 3.00 23.59 2.42 236.68 3915.96 870.21 Average: 3.96 0.80 2.42 0.75 19.93 197.86 5446.87 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:37 6276360 7523112 297076 3.65 30636 1423004 529360 5.77 444016 1184292 148 01:30:17 6275620 7522940 297360 3.66 30840 1423336 530004 5.77 444548 1184840 224 01:40:01 6282768 7530608 289688 3.56 31036 1423652 530216 5.78 444824 1185352 280 01:50:37 6289600 7538008 282280 3.47 31264 1423984 531844 5.79 446168 1185912 124 02:00:07 6218464 7506980 312200 3.84 31912 1462928 732180 7.97 463144 1215348 160 02:10:37 6218464 7507652 311560 3.83 32112 1463380 732180 7.97 463156 1215880 124 02:20:17 6218464 7508328 310792 3.82 32288 1463876 732304 7.98 463508 1216396 136 02:30:37 6233052 7523436 295632 3.64 32460 1464204 732420 7.98 463736 1216896 124 02:40:07 6232588 7523468 295632 3.64 32620 1464532 732644 7.98 463804 1217384 260 02:50:37 6176616 7524428 285564 3.51 36624 1509156 732740 7.98 464564 1265392 232 03:00:17 6148636 7497508 312376 3.84 36820 1509964 732740 7.98 465088 1265968 160 03:10:01 6156980 7506448 303392 3.73 36980 1510424 732740 7.98 465224 1266428 292 03:20:07 6164544 7514540 295352 3.63 37140 1510756 732740 7.98 465148 1266952 168 03:30:37 6154784 7505312 304584 3.75 37332 1511080 732884 7.98 465108 1267460 76 03:40:01 6154544 7505536 304328 3.74 37484 1511404 732884 7.98 465176 1267912 280 03:50:37 6154544 7506180 303708 3.73 37636 1511860 732884 7.98 465384 1268424 124 04:00:17 6155076 7507232 302576 3.72 37812 1512188 732884 7.98 465464 1268928 268 04:10:01 6155076 7507720 302084 3.71 37972 1512512 732884 7.98 465472 1269412 276 04:20:07 6154828 7507964 301828 3.71 38132 1512844 732884 7.98 465384 1269900 296 04:30:37 6145508 7499156 310632 3.82 38296 1513172 732884 7.98 465408 1270396 124 04:40:01 5012692 7350156 405940 4.99 94344 2395160 881892 9.61 632968 2163364 5656 Average: 6141867 7505558 305933 3.76 37702 1525401 701247 7.64 468919 1282516 454 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:37 ens3 1.49 0.20 0.30 0.14 0.00 0.00 0.00 0.00 01:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:17 ens3 0.69 0.27 0.11 0.65 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 1.54 0.24 0.42 0.24 0.00 0.00 0.00 0.00 01:50:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:37 ens3 0.43 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:00:07 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 0.72 0.26 3.51 0.03 0.00 0.00 0.00 0.00 02:10:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:37 ens3 0.42 0.10 0.13 0.08 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 0.32 0.06 0.07 0.04 0.00 0.00 0.00 0.00 02:30:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:37 ens3 0.69 0.17 0.23 0.14 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 0.44 0.08 0.11 0.06 0.00 0.00 0.00 0.00 02:50:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:37 ens3 0.52 0.12 0.15 0.08 0.00 0.00 0.00 0.00 03:00:17 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:00:17 ens3 0.30 0.07 0.08 0.04 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 0.22 0.05 0.05 0.03 0.00 0.00 0.00 0.00 03:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:07 ens3 0.21 0.05 0.04 0.01 0.00 0.00 0.00 0.00 03:30:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:37 ens3 0.32 0.07 0.09 0.05 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 0.18 0.03 0.03 0.01 0.00 0.00 0.00 0.00 03:50:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:37 ens3 0.19 0.03 0.04 0.01 0.00 0.00 0.00 0.00 04:00:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:17 ens3 0.17 0.03 0.03 0.01 0.00 0.00 0.00 0.00 04:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:01 ens3 0.20 0.05 0.06 0.03 0.00 0.00 0.00 0.00 04:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:20:07 ens3 0.17 0.02 0.03 0.01 0.00 0.00 0.00 0.00 04:30:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:30:37 ens3 0.17 0.03 0.03 0.01 0.00 0.00 0.00 0.00 04:40:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 04:40:01 ens3 92.95 69.08 378.82 17.45 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 4.61 3.19 17.23 0.86 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57597) 09/23/26 _x86_64_ (2 CPU) 01:03:57 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:37 all 0.30 0.00 0.09 0.02 0.00 99.59 01:20:37 0 0.19 0.00 0.11 0.03 0.00 99.67 01:20:37 1 0.41 0.00 0.07 0.01 0.00 99.51 01:30:17 all 0.33 0.00 0.17 0.01 0.00 99.48 01:30:17 0 0.35 0.00 0.16 0.02 0.00 99.46 01:30:17 1 0.30 0.00 0.18 0.01 0.00 99.50 01:40:01 all 0.28 0.00 0.07 0.01 0.00 99.64 01:40:01 0 0.44 0.00 0.04 0.02 0.00 99.49 01:40:01 1 0.11 0.00 0.09 0.00 0.00 99.79 01:50:37 all 0.25 0.00 0.06 0.01 0.00 99.68 01:50:37 0 0.44 0.00 0.03 0.02 0.00 99.51 01:50:37 1 0.05 0.00 0.09 0.01 0.00 99.85 02:00:07 all 0.42 0.00 0.20 0.03 0.00 99.34 02:00:07 0 0.49 0.00 0.15 0.04 0.00 99.32 02:00:07 1 0.35 0.00 0.26 0.03 0.00 99.36 02:10:37 all 0.25 0.00 0.06 0.01 0.00 99.67 02:10:37 0 0.46 0.00 0.04 0.02 0.00 99.48 02:10:37 1 0.05 0.00 0.08 0.00 0.00 99.86 02:20:17 all 0.26 0.00 0.09 0.06 0.00 99.59 02:20:17 0 0.46 0.00 0.04 0.05 0.00 99.44 02:20:17 1 0.07 0.00 0.14 0.07 0.00 99.73 02:30:37 all 0.31 0.00 0.18 0.01 0.00 99.49 02:30:37 0 0.27 0.00 0.18 0.00 0.00 99.54 02:30:37 1 0.35 0.00 0.18 0.03 0.00 99.44 02:40:07 all 0.26 0.00 0.10 0.01 0.00 99.62 02:40:07 0 0.13 0.00 0.11 0.00 0.00 99.76 02:40:07 1 0.40 0.00 0.09 0.02 0.00 99.49 02:50:37 all 0.26 0.16 0.16 0.20 0.00 99.21 02:50:37 0 0.06 0.28 0.21 0.33 0.00 99.11 02:50:37 1 0.45 0.04 0.11 0.07 0.00 99.32 03:00:17 all 0.30 0.00 0.20 0.01 0.00 99.48 03:00:17 0 0.09 0.00 0.22 0.02 0.00 99.67 03:00:17 1 0.52 0.00 0.18 0.01 0.00 99.29 03:00:17 CPU %user %nice %system %iowait %steal %idle 03:10:01 all 0.24 0.00 0.09 0.01 0.01 99.65 03:10:01 0 0.05 0.00 0.11 0.01 0.01 99.82 03:10:01 1 0.42 0.00 0.08 0.01 0.00 99.48 03:20:07 all 0.25 0.00 0.10 0.02 0.00 99.63 03:20:07 0 0.04 0.00 0.12 0.04 0.00 99.79 03:20:07 1 0.45 0.00 0.07 0.00 0.00 99.47 03:30:37 all 0.28 0.00 0.17 0.02 0.00 99.53 03:30:37 0 0.07 0.00 0.21 0.00 0.00 99.71 03:30:37 1 0.50 0.00 0.13 0.03 0.00 99.35 03:40:01 all 0.26 0.00 0.08 0.01 0.00 99.65 03:40:01 0 0.26 0.00 0.08 0.00 0.00 99.66 03:40:01 1 0.27 0.00 0.08 0.03 0.00 99.63 03:50:37 all 0.22 0.00 0.08 0.01 0.00 99.68 03:50:37 0 0.40 0.00 0.04 0.01 0.00 99.55 03:50:37 1 0.05 0.00 0.11 0.02 0.00 99.82 04:00:17 all 0.28 0.00 0.18 0.01 0.00 99.52 04:00:17 0 0.48 0.00 0.16 0.02 0.00 99.33 04:00:17 1 0.08 0.00 0.21 0.01 0.00 99.71 04:10:01 all 0.25 0.00 0.09 0.02 0.00 99.64 04:10:01 0 0.08 0.00 0.10 0.01 0.01 99.80 04:10:01 1 0.43 0.00 0.08 0.02 0.00 99.48 04:20:07 all 0.23 0.00 0.07 0.01 0.00 99.68 04:20:07 0 0.03 0.00 0.09 0.03 0.00 99.86 04:20:07 1 0.44 0.00 0.05 0.00 0.00 99.50 04:30:37 all 0.23 0.00 0.18 0.02 0.00 99.58 04:30:37 0 0.07 0.00 0.21 0.03 0.00 99.69 04:30:37 1 0.39 0.00 0.14 0.00 0.00 99.46 04:40:01 all 15.54 0.00 2.19 1.52 0.02 80.72 04:40:01 0 16.45 0.00 2.10 1.76 0.02 79.66 04:40:01 1 14.63 0.00 2.28 1.29 0.02 81.78 Average: all 0.96 0.01 0.21 0.09 0.00 98.72 Average: 0 0.97 0.01 0.21 0.11 0.00 98.69 Average: 1 0.95 0.00 0.22 0.08 0.00 98.76