---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-61788 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 8.1G 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 756 5066 4 2413 7185 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:9d:89:74 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.164/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78856sec preferred_lft 78856sec inet6 fe80::f816:3eff:fe9d:8974/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61788) 10/04/26 _x86_64_ (2 CPU) 00:00:25 LINUX RESTART (2 CPU) 00:10:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:39 14.34 0.01 1.49 12.85 0.21 17.86 106026.43 00:30:11 1.58 0.00 1.55 0.03 0.00 18.48 499.49 00:40:21 25.69 2.78 20.62 2.29 220.04 3461.29 811.82 00:50:39 1.30 0.00 1.29 0.02 0.00 48.09 0.67 01:00:11 1.54 0.00 1.50 0.04 0.00 24.28 0.99 01:10:39 1.41 0.00 1.39 0.02 0.00 124.78 1.80 01:20:11 1.59 0.00 1.55 0.05 0.00 20.10 6.88 01:30:39 1.44 0.00 1.39 0.05 0.00 19.40 5.31 01:40:01 1.35 0.00 1.32 0.03 0.00 21.60 427.63 01:50:39 1.49 0.00 1.46 0.03 0.19 58.04 4.38 02:00:11 1.54 0.00 1.49 0.05 0.00 24.24 4.81 Average: 4.92 0.26 3.22 1.44 20.41 355.33 10100.40 00:10:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:39 6232680 7520224 299192 3.68 31196 1462472 732912 7.98 463036 1213516 140 00:30:11 6230616 7518672 300728 3.70 31396 1462760 732988 7.98 463220 1214008 156 00:40:21 5123308 7366316 399348 4.91 87212 2315952 862672 9.40 614904 2077508 7568 00:50:39 5103576 7349496 416224 5.12 87348 2318784 864700 9.42 608936 2080492 200 01:00:11 5080816 7328664 436916 5.37 87512 2320552 891684 9.71 636120 2082424 196 01:10:39 5053460 7336004 429388 5.28 87704 2354884 910724 9.92 654480 2116936 184 01:20:11 5054180 7337532 427844 5.26 87908 2355468 910732 9.92 654668 2117736 132 01:30:39 5048172 7332532 432688 5.32 88104 2356276 910800 9.92 654816 2118604 136 01:40:01 5079528 7365384 399852 4.92 88288 2357580 876864 9.55 612168 2120084 280 01:50:39 4979300 7278704 486416 5.98 88456 2370752 932620 10.16 676360 2133440 124 02:00:11 5035836 7337324 427720 5.26 88604 2372668 899356 9.80 643100 2135496 480 Average: 5274679 7370077 405120 4.98 77612 2186195 866005 9.43 607437 1946386 872 00:10:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:20:39 ens3 0.47 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:11 ens3 0.41 0.05 0.08 0.03 0.00 0.00 0.00 0.00 00:40:21 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:21 ens3 73.51 54.50 341.56 12.40 0.00 0.00 0.00 0.00 00:50:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:39 ens3 18.69 15.83 270.40 1.63 0.00 0.00 0.00 0.00 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 8.09 6.91 64.27 0.84 0.00 0.00 0.00 0.00 01:10:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:39 ens3 4.95 2.50 35.46 0.33 0.00 0.00 0.00 0.00 01:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:11 ens3 5.07 1.93 0.84 0.43 0.00 0.00 0.00 0.00 01:30:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:39 ens3 3.04 1.74 0.40 0.26 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 9.87 8.11 128.41 1.01 0.00 0.00 0.00 0.00 01:50:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:39 ens3 17.51 15.57 203.88 1.88 0.00 0.00 0.00 0.00 02:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:11 ens3 10.76 10.33 146.69 0.98 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 14.01 10.81 109.48 1.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61788) 10/04/26 _x86_64_ (2 CPU) 00:00:25 LINUX RESTART (2 CPU) 00:10:21 CPU %user %nice %system %iowait %steal %idle 00:20:39 all 0.27 0.00 0.12 0.04 0.00 99.57 00:20:39 0 0.28 0.00 0.12 0.05 0.00 99.55 00:20:39 1 0.27 0.00 0.11 0.03 0.00 99.59 00:30:11 all 0.25 0.00 0.16 0.01 0.00 99.57 00:30:11 0 0.42 0.00 0.13 0.03 0.00 99.41 00:30:11 1 0.08 0.00 0.19 0.00 0.00 99.73 00:40:21 all 11.71 0.00 1.98 0.64 0.01 85.65 00:40:21 0 14.84 0.00 2.07 0.78 0.02 82.29 00:40:21 1 8.59 0.00 1.88 0.51 0.01 89.02 00:50:39 all 1.02 0.00 0.33 0.01 0.00 98.64 00:50:39 0 0.88 0.00 0.29 0.00 0.00 98.82 00:50:39 1 1.17 0.00 0.36 0.01 0.01 98.45 01:00:11 all 0.82 0.00 0.30 0.01 0.01 98.85 01:00:11 0 0.73 0.00 0.27 0.02 0.01 98.97 01:00:11 1 0.92 0.00 0.33 0.01 0.01 98.74 01:10:39 all 0.66 0.00 0.17 0.01 0.02 99.14 01:10:39 0 0.57 0.00 0.18 0.02 0.01 99.23 01:10:39 1 0.77 0.00 0.15 0.01 0.03 99.05 01:20:11 all 0.53 0.00 0.18 0.01 0.01 99.28 01:20:11 0 0.52 0.00 0.23 0.02 0.01 99.23 01:20:11 1 0.55 0.00 0.13 0.00 0.00 99.32 01:30:39 all 0.56 0.00 0.27 0.01 0.01 99.16 01:30:39 0 0.52 0.00 0.27 0.02 0.01 99.19 01:30:39 1 0.60 0.00 0.27 0.00 0.01 99.13 01:40:01 all 0.78 0.00 0.27 0.01 0.00 98.94 01:40:01 0 0.55 0.00 0.16 0.01 0.00 99.28 01:40:01 1 1.01 0.00 0.38 0.00 0.01 98.60 01:50:39 all 1.68 0.00 0.38 0.01 0.01 97.92 01:50:39 0 1.65 0.00 0.39 0.01 0.01 97.94 01:50:39 1 1.71 0.00 0.38 0.01 0.01 97.90 02:00:11 all 0.88 0.00 0.39 0.01 0.01 98.71 02:00:11 0 0.78 0.00 0.30 0.00 0.00 98.91 02:00:11 1 0.98 0.00 0.48 0.02 0.01 98.51 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.78 0.00 0.42 0.07 0.01 97.72 Average: 0 2.01 0.00 0.41 0.09 0.01 97.49 Average: 1 1.54 0.00 0.43 0.06 0.01 97.96