---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8515 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 773 5076 4 2394 7168 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:4d:77:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.151/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78402sec preferred_lft 78402sec inet6 fe80::f816:3eff:fe4d:7779/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8515) 09/16/26 _x86_64_ (2 CPU) 01:05:10 LINUX RESTART (2 CPU) 01:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 1.90 0.36 1.53 0.01 44.82 105.47 5.92 01:30:05 1.39 0.01 1.35 0.03 0.05 17.68 896.83 01:40:02 1.16 0.00 1.14 0.02 0.00 14.48 49.96 01:50:01 1.15 0.00 1.13 0.02 0.00 14.36 44.87 02:00:05 1.44 0.00 1.41 0.03 0.00 18.47 900.97 02:10:01 1.18 0.00 1.16 0.02 0.00 14.74 50.07 02:20:01 1.15 0.00 1.13 0.02 0.00 14.53 49.72 02:30:02 14.63 0.00 1.40 13.23 0.15 18.29 109649.87 02:40:01 26.74 3.01 21.38 2.35 229.65 3597.02 1349.15 02:50:01 1.27 0.00 1.25 0.02 0.00 25.85 1.32 03:00:02 15.66 13.51 2.06 0.09 150.18 58.09 368.26 03:10:01 1.27 0.00 1.26 0.02 0.00 23.63 1.32 Average: 5.75 1.41 3.02 1.32 35.39 326.52 9467.24 01:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6238360 7529516 289820 3.56 31104 1466100 726760 7.92 464640 1217324 260 01:30:05 6232528 7524308 295008 3.63 31348 1466448 725420 7.90 463404 1217908 208 01:40:02 6235544 7527876 291436 3.58 31564 1466776 725600 7.90 463580 1218456 200 01:50:01 6235544 7528396 290908 3.58 31752 1467096 725600 7.90 463596 1218968 244 02:00:05 6231420 7524916 294344 3.62 31984 1467496 725600 7.90 463728 1219536 188 02:10:01 6230188 7524336 294916 3.63 32184 1467940 725664 7.90 463988 1220052 248 02:20:01 6229936 7524612 294616 3.62 32384 1468276 725664 7.90 463956 1220576 264 02:30:02 6225668 7521104 298084 3.67 32596 1468788 725664 7.90 464252 1221148 288 02:40:01 5154908 7394292 371520 4.57 88676 2311060 873696 9.52 604508 2073796 604 02:50:01 5152428 7394928 370736 4.56 88852 2314000 873892 9.52 605164 2076912 308 03:00:02 5070000 7371944 384812 4.73 92064 2362028 851976 9.28 607808 2127560 356 03:10:01 5069020 7373640 383140 4.71 92208 2364568 851976 9.28 608064 2130116 284 Average: 5858795 7478322 321612 3.95 51393 1757548 771459 8.40 511391 1513529 288 01:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.99 0.24 3.41 0.07 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.51 0.07 0.35 0.03 0.00 0.00 0.00 0.00 01:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 0.52 0.06 0.08 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 0.22 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 0.32 0.05 0.06 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.29 0.17 0.04 0.49 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.21 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 0.18 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 02:40:01 ens3 132.76 104.07 337.49 19.23 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 11.42 10.14 2.64 0.99 0.00 0.00 0.00 0.00 03:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:02 ens3 10.84 10.42 2.82 0.90 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 12.79 12.73 2.53 0.89 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 14.24 11.49 29.09 1.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8515) 09/16/26 _x86_64_ (2 CPU) 01:05:10 LINUX RESTART (2 CPU) 01:10:02 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.43 0.00 0.14 0.03 0.01 99.39 01:20:01 0 0.46 0.00 0.15 0.05 0.01 99.33 01:20:01 1 0.41 0.00 0.13 0.01 0.01 99.45 01:30:05 all 0.31 0.00 0.18 0.01 0.00 99.49 01:30:05 0 0.28 0.00 0.19 0.01 0.00 99.51 01:30:05 1 0.35 0.00 0.17 0.01 0.00 99.47 01:40:02 all 0.27 0.00 0.09 0.01 0.01 99.62 01:40:02 0 0.07 0.00 0.11 0.02 0.01 99.79 01:40:02 1 0.48 0.00 0.07 0.00 0.01 99.45 01:50:01 all 0.25 0.00 0.08 0.01 0.01 99.65 01:50:01 0 0.06 0.00 0.10 0.02 0.01 99.82 01:50:01 1 0.44 0.00 0.06 0.00 0.01 99.49 02:00:05 all 0.30 0.00 0.19 0.02 0.01 99.48 02:00:05 0 0.22 0.00 0.21 0.01 0.01 99.55 02:00:05 1 0.38 0.00 0.17 0.03 0.01 99.41 02:10:01 all 0.27 0.00 0.08 0.01 0.01 99.63 02:10:01 0 0.07 0.00 0.11 0.01 0.01 99.80 02:10:01 1 0.46 0.00 0.06 0.01 0.00 99.47 02:20:01 all 0.26 0.00 0.10 0.03 0.01 99.60 02:20:01 0 0.05 0.00 0.13 0.00 0.01 99.82 02:20:01 1 0.47 0.00 0.08 0.06 0.00 99.38 02:30:02 all 0.28 0.00 0.21 0.04 0.01 99.47 02:30:02 0 0.08 0.00 0.25 0.08 0.01 99.59 02:30:02 1 0.48 0.00 0.16 0.01 0.00 99.34 02:40:01 all 13.21 0.00 2.45 0.61 0.02 83.70 02:40:01 0 14.92 0.00 2.44 0.46 0.02 82.16 02:40:01 1 11.51 0.00 2.47 0.76 0.02 85.24 02:50:01 all 1.18 0.00 0.35 0.01 0.02 98.44 02:50:01 0 1.19 0.00 0.35 0.02 0.02 98.43 02:50:01 1 1.18 0.00 0.34 0.01 0.02 98.44 03:00:02 all 1.64 0.18 0.56 0.23 0.02 97.37 03:00:02 0 0.90 0.01 0.47 0.04 0.02 98.56 03:00:02 1 2.39 0.35 0.65 0.42 0.02 96.16 03:00:02 CPU %user %nice %system %iowait %steal %idle 03:10:01 all 0.93 0.00 0.29 0.01 0.01 98.76 03:10:01 0 1.15 0.00 0.29 0.01 0.01 98.54 03:10:01 1 0.71 0.00 0.30 0.01 0.01 98.97 Average: all 1.61 0.01 0.39 0.09 0.01 97.89 Average: 0 1.62 0.00 0.40 0.06 0.01 97.91 Average: 1 1.60 0.03 0.39 0.11 0.01 97.86