---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6522 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 8.1G 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 771 5028 4 2443 7170 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:84:63:3a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.104/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79793sec preferred_lft 79793sec inet6 fe80::f816:3eff:fe84:633a/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-6522) 09/10/26 _x86_64_ (2 CPU) 01:04:26 LINUX RESTART (2 CPU) 01:10:42 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:42 1.18 0.01 1.17 0.00 0.07 14.65 11.47 01:30:42 1.38 0.00 1.35 0.04 0.00 17.04 697.18 01:40:42 14.62 0.00 1.39 13.22 0.15 16.83 109095.33 01:50:18 2.01 0.34 1.64 0.03 45.34 109.58 0.32 02:00:42 1.51 0.00 1.48 0.02 0.00 17.99 409.88 02:10:08 16.39 14.35 1.97 0.07 159.76 45.34 10.36 02:20:42 1.35 0.00 1.35 0.00 0.00 15.89 0.00 02:30:18 1.72 0.03 1.68 0.01 2.24 20.13 0.32 02:40:42 1.35 0.00 1.35 0.00 0.00 15.69 0.00 02:50:28 27.84 3.06 22.23 2.55 232.88 3934.58 1803.61 Average: 6.79 1.69 3.51 1.59 42.47 411.70 11227.56 01:10:42 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:42 6279268 7531100 289396 3.56 30676 1427772 533176 5.81 451436 1188416 188 01:30:42 6275808 7528172 292324 3.59 30864 1428100 533304 5.81 451632 1188932 160 01:40:42 6283152 7536120 284372 3.50 31092 1428464 534940 5.83 452972 1189496 160 01:50:18 6225956 7518936 300800 3.70 31728 1467356 734844 8.00 470528 1218812 156 02:00:42 6223824 7517444 302136 3.72 31968 1467712 735004 8.01 470704 1219408 160 02:10:08 6159672 7510220 300268 3.69 35968 1512300 735004 8.01 471344 1267388 212 02:20:42 6159416 7510504 299988 3.69 36152 1512656 735004 8.01 471384 1267920 184 02:30:18 6163168 7515424 294888 3.63 36332 1513596 735004 8.01 471968 1268488 180 02:40:42 6176720 7529636 280776 3.45 36500 1514080 736632 8.02 473280 1269012 156 02:50:28 5059136 7373736 383272 4.71 92516 2374152 858496 9.35 623724 2139844 2420 Average: 6100612 7507129 302822 3.72 39380 1564619 687141 7.48 480897 1321772 398 01:10:42 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:42 ens3 1.07 0.09 0.14 0.06 0.00 0.00 0.00 0.00 01:30:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:42 ens3 0.46 0.09 0.10 0.05 0.00 0.00 0.00 0.00 01:40:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:42 ens3 0.52 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:50:18 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:50:18 ens3 0.70 0.42 3.49 0.62 0.00 0.00 0.00 0.00 02:00:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:42 ens3 0.27 0.05 0.06 0.03 0.00 0.00 0.00 0.00 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 0.21 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:20:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:42 ens3 0.24 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:18 ens3 0.32 0.10 0.09 0.04 0.00 0.00 0.00 0.00 02:40:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:42 ens3 0.26 0.06 0.06 0.03 0.00 0.00 0.00 0.00 02:50:28 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 02:50:28 ens3 77.50 55.94 348.11 13.55 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 7.99 5.56 34.45 1.41 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6522) 09/10/26 _x86_64_ (2 CPU) 01:04:26 LINUX RESTART (2 CPU) 01:10:42 CPU %user %nice %system %iowait %steal %idle 01:20:42 all 0.29 0.00 0.10 0.01 0.00 99.60 01:20:42 0 0.07 0.00 0.11 0.01 0.01 99.81 01:20:42 1 0.51 0.00 0.08 0.02 0.00 99.40 01:30:42 all 0.32 0.00 0.18 0.01 0.01 99.48 01:30:42 0 0.09 0.00 0.22 0.00 0.01 99.68 01:30:42 1 0.54 0.00 0.15 0.02 0.01 99.28 01:40:42 all 0.25 0.00 0.11 0.05 0.00 99.59 01:40:42 0 0.33 0.00 0.09 0.00 0.01 99.58 01:40:42 1 0.18 0.00 0.13 0.09 0.00 99.61 01:50:18 all 0.47 0.00 0.13 0.03 0.00 99.36 01:50:18 0 0.50 0.00 0.09 0.01 0.00 99.40 01:50:18 1 0.44 0.00 0.18 0.05 0.00 99.32 02:00:42 all 0.26 0.00 0.17 0.02 0.01 99.54 02:00:42 0 0.44 0.00 0.14 0.01 0.01 99.40 02:00:42 1 0.08 0.00 0.20 0.02 0.01 99.69 02:10:08 all 0.29 0.17 0.16 0.20 0.01 99.18 02:10:08 0 0.52 0.03 0.09 0.04 0.00 99.33 02:10:08 1 0.05 0.31 0.23 0.37 0.01 99.03 02:20:42 all 0.25 0.00 0.07 0.03 0.01 99.64 02:20:42 0 0.46 0.00 0.05 0.03 0.00 99.45 02:20:42 1 0.05 0.00 0.09 0.03 0.01 99.82 02:30:18 all 0.33 0.00 0.16 0.07 0.01 99.43 02:30:18 0 0.35 0.00 0.15 0.11 0.01 99.38 02:30:18 1 0.30 0.00 0.16 0.04 0.01 99.49 02:40:42 all 0.23 0.00 0.08 0.02 0.00 99.66 02:40:42 0 0.19 0.00 0.10 0.03 0.01 99.68 02:40:42 1 0.28 0.00 0.06 0.01 0.00 99.65 02:50:28 all 15.40 0.00 2.18 0.76 0.02 81.64 02:50:28 0 20.24 0.00 2.28 0.83 0.02 76.62 02:50:28 1 10.56 0.00 2.09 0.68 0.02 86.65 Average: all 1.78 0.02 0.33 0.12 0.01 97.76 Average: 0 2.27 0.00 0.33 0.11 0.01 97.28 Average: 1 1.28 0.03 0.33 0.13 0.01 98.23