---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8797 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 5178 4 2297 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:e2:0d:75 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80404sec preferred_lft 80404sec inet6 fe80::f816:3eff:fee2:d75/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8797) 09/17/26 _x86_64_ (2 CPU) 01:03:18 LINUX RESTART (2 CPU) 01:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 1.31 0.01 1.30 0.01 0.07 15.66 15.19 01:30:12 1.54 0.00 1.51 0.02 0.00 18.35 463.33 01:40:12 1.33 0.00 1.31 0.02 0.00 15.79 49.73 01:50:01 1.25 0.00 1.23 0.02 0.00 14.97 45.65 02:00:12 1.66 0.01 1.61 0.03 1.63 19.68 463.68 02:10:12 1.33 0.00 1.31 0.02 0.00 15.80 49.73 02:20:12 1.36 0.00 1.35 0.02 0.00 16.04 49.73 02:30:06 14.86 0.00 1.49 13.37 0.15 18.60 110489.25 02:40:12 25.81 2.80 20.73 2.27 220.08 3517.62 853.67 Average: 5.62 0.32 3.56 1.74 24.89 409.57 12382.69 01:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6217748 7504872 314532 3.87 31076 1462208 730488 7.96 464172 1213012 252 01:30:12 6221932 7509672 309640 3.81 31312 1462540 730644 7.96 464224 1213580 132 01:40:12 6227216 7515500 303840 3.74 31520 1462868 733488 7.99 461736 1214116 172 01:50:01 6226208 7515076 304248 3.74 31708 1463256 733488 7.99 461816 1214628 284 02:00:12 6229824 7519752 299336 3.68 31916 1464204 733552 7.99 462272 1215228 132 02:10:12 6229332 7519912 299292 3.68 32108 1464544 733552 7.99 462436 1215748 188 02:20:12 6229080 7520320 298868 3.67 32308 1464996 733892 7.99 463532 1216272 132 02:30:06 6224100 7515940 303208 3.73 32504 1465376 733968 7.99 463612 1216812 280 02:40:12 5163848 7395824 369968 4.55 88008 2304448 854940 9.31 610092 2066460 240 Average: 6107699 7501874 311437 3.83 38051 1557160 746446 8.13 479321 1309540 201 01:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.84 0.08 0.12 0.05 0.00 0.00 0.00 0.00 01:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 0.60 0.10 0.97 0.06 0.00 0.00 0.00 0.00 01:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 0.34 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.19 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:00:12 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 0.34 0.08 0.07 0.04 0.00 0.00 0.00 0.00 02:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:12 ens3 0.18 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 0.27 0.20 0.04 0.55 0.00 0.00 0.00 0.00 02:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:06 ens3 0.25 0.06 0.06 0.03 0.00 0.00 0.00 0.00 02:40:12 lo 1.70 1.70 0.12 0.12 0.00 0.00 0.00 0.00 02:40:12 ens3 110.01 79.02 330.14 17.75 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 12.67 8.93 37.19 2.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8797) 09/17/26 _x86_64_ (2 CPU) 01:03:18 LINUX RESTART (2 CPU) 01:10:12 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.26 0.00 0.10 0.01 0.01 99.61 01:20:01 0 0.22 0.00 0.08 0.00 0.01 99.69 01:20:01 1 0.30 0.00 0.12 0.02 0.01 99.54 01:30:12 all 0.28 0.00 0.19 0.01 0.01 99.52 01:30:12 0 0.07 0.00 0.19 0.02 0.01 99.71 01:30:12 1 0.48 0.00 0.18 0.01 0.00 99.32 01:40:12 all 0.28 0.00 0.12 0.01 0.01 99.58 01:40:12 0 0.06 0.00 0.14 0.01 0.01 99.79 01:40:12 1 0.50 0.00 0.11 0.01 0.01 99.38 01:50:01 all 0.25 0.00 0.11 0.01 0.01 99.62 01:50:01 0 0.06 0.00 0.11 0.01 0.01 99.81 01:50:01 1 0.45 0.00 0.11 0.01 0.00 99.43 02:00:12 all 0.33 0.00 0.22 0.01 0.01 99.43 02:00:12 0 0.40 0.00 0.22 0.02 0.00 99.35 02:00:12 1 0.26 0.00 0.21 0.00 0.01 99.51 02:10:12 all 0.28 0.00 0.10 0.01 0.00 99.60 02:10:12 0 0.51 0.00 0.07 0.00 0.00 99.41 02:10:12 1 0.05 0.00 0.13 0.02 0.01 99.79 02:20:12 all 0.25 0.00 0.10 0.01 0.00 99.64 02:20:12 0 0.45 0.00 0.08 0.00 0.00 99.46 02:20:12 1 0.05 0.00 0.12 0.02 0.00 99.81 02:30:06 all 0.30 0.00 0.18 0.04 0.01 99.48 02:30:06 0 0.46 0.00 0.17 0.06 0.01 99.29 02:30:06 1 0.13 0.00 0.19 0.02 0.01 99.66 02:40:12 all 14.86 0.00 2.38 0.57 0.02 82.17 02:40:12 0 16.26 0.00 2.36 0.49 0.02 80.87 02:40:12 1 13.46 0.00 2.40 0.65 0.02 83.46 Average: all 1.92 0.00 0.39 0.08 0.01 97.61 Average: 0 2.07 0.00 0.38 0.07 0.01 97.47 Average: 1 1.76 0.00 0.40 0.09 0.01 97.75