---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6530 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 777 4926 4 2540 7164 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:53:fe:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.50/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 71281sec preferred_lft 71281sec inet6 fe80::f816:3eff:fe53:fec7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6530) 09/10/26 _x86_64_ (2 CPU) 01:04:26 LINUX RESTART (2 CPU) 01:10:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:28 1.40 0.01 1.39 0.00 0.07 16.88 4.92 01:30:01 1.53 0.00 1.51 0.02 0.00 18.66 0.27 01:40:11 1.32 0.00 1.32 0.00 0.00 15.82 4.89 01:50:28 15.04 13.16 1.83 0.05 146.49 42.60 243.99 02:00:01 1.34 0.00 1.33 0.02 0.00 16.75 0.24 02:10:28 13.90 0.00 1.21 12.69 0.14 14.91 104221.88 02:20:28 1.18 0.00 1.17 0.02 0.00 14.53 44.76 02:30:01 1.40 0.00 1.36 0.03 0.00 17.63 52.31 02:40:28 1.13 0.00 1.11 0.02 0.00 14.14 47.60 02:50:28 1.27 0.00 1.26 0.02 0.00 15.71 49.73 03:00:01 1.48 0.00 1.44 0.03 0.00 18.32 52.36 03:10:28 1.19 0.00 1.18 0.02 0.00 15.40 47.55 03:20:01 1.25 0.00 1.24 0.02 0.00 15.96 46.85 03:30:01 1.35 0.00 1.31 0.04 0.00 17.52 49.99 03:40:11 1.13 0.00 1.12 0.02 0.00 14.55 48.89 03:50:28 1.22 0.00 1.21 0.02 0.00 15.66 43.55 04:00:01 1.43 0.00 1.40 0.03 0.00 18.45 52.29 04:10:28 1.20 0.00 1.19 0.02 0.00 15.44 47.61 04:20:11 1.25 0.00 1.23 0.02 0.00 15.94 51.16 04:30:01 1.37 0.00 1.33 0.03 0.00 17.60 50.86 04:40:11 1.20 0.00 1.18 0.02 0.00 15.08 48.87 04:50:28 1.19 0.00 1.18 0.02 0.00 15.31 48.38 05:00:01 1.39 0.00 1.36 0.03 0.00 17.80 52.31 05:10:28 25.55 2.71 20.59 2.24 214.53 3498.75 1400.73 Average: 3.49 0.68 2.14 0.67 15.62 168.92 4644.89 01:10:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:28 6232180 7518908 300128 3.69 31148 1461964 716876 7.81 461528 1212996 172 01:30:01 6232492 7519748 299308 3.68 31316 1462264 716880 7.81 461648 1213492 240 01:40:11 6232492 7520252 298800 3.67 31488 1462588 717056 7.81 461788 1213988 132 01:50:28 6164132 7508784 301168 3.70 35440 1507228 717120 7.81 462464 1261940 172 02:00:01 6170104 7515408 294488 3.62 35608 1507656 717184 7.81 462840 1262440 272 02:10:28 6176464 7522304 287472 3.53 35764 1508028 717184 7.81 462912 1262940 136 02:20:28 6176212 7522588 287184 3.53 35968 1508352 717184 7.81 462796 1263468 168 02:30:01 6173236 7520160 289532 3.56 36176 1508688 717248 7.81 462872 1264004 304 02:40:28 6180572 7528056 281600 3.46 36368 1509040 717248 7.81 462920 1264556 232 02:50:28 6180572 7528692 280916 3.45 36572 1509496 717312 7.81 463232 1265056 176 03:00:01 6181288 7529952 279688 3.44 36776 1509792 717344 7.81 463312 1265584 304 03:10:28 6181824 7531068 278560 3.43 37000 1510144 717344 7.81 463376 1266156 332 03:20:01 6179556 7529292 280348 3.45 37176 1510444 717476 7.81 463388 1266640 272 03:30:01 6175892 7526312 283312 3.48 37396 1510900 717476 7.81 463556 1267184 344 03:40:11 6180768 7531708 277904 3.42 37580 1511224 717612 7.82 463604 1267696 240 03:50:28 6180276 7531788 277816 3.42 37788 1511584 717612 7.82 463488 1268264 204 04:00:01 6164448 7516472 293128 3.60 37988 1511880 717676 7.82 463784 1268760 248 04:10:28 6170244 7522840 286744 3.53 38196 1512244 717676 7.82 463684 1269324 336 04:20:11 6172840 7526072 283516 3.49 38396 1512664 717676 7.82 463808 1269824 212 04:30:01 6176968 7530736 278828 3.43 38608 1512992 717676 7.82 463812 1270348 292 04:40:11 6175708 7530040 279564 3.44 38824 1513316 717676 7.82 463852 1270904 220 04:50:28 6178448 7533348 276240 3.40 39024 1513688 717676 7.82 463904 1271468 372 05:00:01 6173928 7529344 280204 3.45 39220 1513980 717676 7.82 463864 1271960 228 05:10:28 5003652 7346260 409800 5.04 93932 2400716 862764 9.40 639556 2167908 6912 Average: 6133929 7517506 291094 3.58 38906 1541703 723444 7.88 470500 1297788 522 01:10:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:28 ens3 1.04 0.08 0.13 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.47 0.08 0.10 0.06 0.00 0.00 0.00 0.00 01:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:11 ens3 0.53 0.07 0.07 0.03 0.00 0.00 0.00 0.00 01:50:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:28 ens3 0.33 0.06 0.08 0.04 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.33 0.16 0.06 0.64 0.00 0.00 0.00 0.00 02:10:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:28 ens3 0.23 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:20:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:28 ens3 0.24 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.28 0.06 0.07 0.04 0.00 0.00 0.00 0.00 02:40:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:28 ens3 0.29 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:50:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:28 ens3 0.45 0.07 0.10 0.05 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.30 0.07 0.09 0.05 0.00 0.00 0.00 0.00 03:10:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:28 ens3 0.22 0.04 0.03 0.01 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.18 0.02 0.02 0.01 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 0.34 0.06 0.10 0.05 0.00 0.00 0.00 0.00 03:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:11 ens3 0.19 0.03 0.02 0.01 0.00 0.00 0.00 0.00 03:50:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:28 ens3 0.21 0.03 0.05 0.01 0.00 0.00 0.00 0.00 04:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:01 ens3 0.21 0.06 0.05 0.03 0.00 0.00 0.00 0.00 04:10:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:28 ens3 0.18 0.02 0.02 0.01 0.00 0.00 0.00 0.00 04:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:20:11 ens3 0.20 0.04 0.06 0.01 0.00 0.00 0.00 0.00 04:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:30:01 ens3 0.17 0.03 0.02 0.01 0.00 0.00 0.00 0.00 04:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:40:11 ens3 0.27 0.07 0.07 0.03 0.00 0.00 0.00 0.00 04:50:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:50:28 ens3 0.32 0.07 0.08 0.05 0.00 0.00 0.00 0.00 05:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:01 ens3 0.56 0.14 0.18 0.10 0.00 0.00 0.00 0.00 05:10:28 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 05:10:28 ens3 83.06 60.80 354.28 14.95 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 3.93 2.70 15.48 0.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6530) 09/10/26 _x86_64_ (2 CPU) 01:04:26 LINUX RESTART (2 CPU) 01:10:21 CPU %user %nice %system %iowait %steal %idle 01:20:28 all 0.27 0.00 0.10 0.01 0.01 99.61 01:20:28 0 0.47 0.00 0.09 0.02 0.00 99.42 01:20:28 1 0.08 0.00 0.11 0.00 0.01 99.81 01:30:01 all 0.28 0.00 0.17 0.01 0.00 99.53 01:30:01 0 0.08 0.00 0.19 0.02 0.01 99.71 01:30:01 1 0.48 0.00 0.16 0.01 0.00 99.36 01:40:11 all 0.28 0.00 0.09 0.01 0.00 99.62 01:40:11 0 0.06 0.00 0.11 0.02 0.00 99.81 01:40:11 1 0.49 0.00 0.06 0.00 0.00 99.44 01:50:28 all 0.26 0.15 0.16 0.18 0.01 99.25 01:50:28 0 0.06 0.29 0.22 0.36 0.01 99.07 01:50:28 1 0.45 0.00 0.10 0.01 0.00 99.43 02:00:01 all 0.29 0.00 0.18 0.01 0.01 99.52 02:00:01 0 0.09 0.00 0.19 0.00 0.01 99.71 02:00:01 1 0.48 0.00 0.17 0.02 0.00 99.32 02:10:28 all 0.27 0.00 0.11 0.04 0.01 99.57 02:10:28 0 0.21 0.00 0.13 0.05 0.01 99.60 02:10:28 1 0.33 0.00 0.10 0.02 0.01 99.54 02:20:28 all 0.27 0.00 0.09 0.02 0.01 99.62 02:20:28 0 0.48 0.00 0.05 0.00 0.00 99.46 02:20:28 1 0.06 0.00 0.12 0.04 0.01 99.77 02:30:01 all 0.29 0.00 0.18 0.01 0.01 99.51 02:30:01 0 0.51 0.00 0.17 0.01 0.01 99.31 02:30:01 1 0.07 0.00 0.20 0.02 0.01 99.70 02:40:28 all 0.25 0.00 0.11 0.01 0.01 99.62 02:40:28 0 0.44 0.00 0.08 0.01 0.00 99.46 02:40:28 1 0.06 0.00 0.14 0.01 0.01 99.78 02:50:28 all 0.27 0.00 0.11 0.01 0.01 99.60 02:50:28 0 0.47 0.00 0.08 0.02 0.01 99.43 02:50:28 1 0.07 0.00 0.14 0.01 0.02 99.77 03:00:01 all 0.29 0.00 0.20 0.01 0.01 99.49 03:00:01 0 0.50 0.00 0.19 0.02 0.01 99.29 03:00:01 1 0.08 0.00 0.22 0.01 0.01 99.69 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:28 all 0.26 0.00 0.10 0.02 0.01 99.62 03:10:28 0 0.45 0.00 0.06 0.02 0.00 99.47 03:10:28 1 0.06 0.00 0.14 0.01 0.02 99.77 03:20:01 all 0.26 0.00 0.10 0.01 0.01 99.62 03:20:01 0 0.46 0.00 0.06 0.00 0.01 99.48 03:20:01 1 0.07 0.00 0.14 0.02 0.02 99.76 03:30:01 all 0.28 0.00 0.19 0.02 0.01 99.49 03:30:01 0 0.48 0.00 0.17 0.02 0.01 99.32 03:30:01 1 0.09 0.00 0.22 0.01 0.01 99.67 03:40:11 all 0.25 0.00 0.10 0.01 0.02 99.62 03:40:11 0 0.06 0.00 0.12 0.02 0.02 99.78 03:40:11 1 0.45 0.00 0.08 0.00 0.01 99.46 03:50:28 all 0.24 0.00 0.11 0.01 0.01 99.63 03:50:28 0 0.05 0.00 0.14 0.02 0.01 99.77 03:50:28 1 0.43 0.00 0.08 0.00 0.01 99.48 04:00:01 all 0.28 0.00 0.18 0.01 0.00 99.52 04:00:01 0 0.07 0.00 0.20 0.02 0.00 99.71 04:00:01 1 0.49 0.00 0.17 0.00 0.01 99.33 04:10:28 all 0.27 0.00 0.08 0.01 0.00 99.63 04:10:28 0 0.04 0.00 0.09 0.02 0.00 99.84 04:10:28 1 0.49 0.00 0.07 0.00 0.00 99.43 04:20:11 all 0.25 0.00 0.09 0.01 0.01 99.64 04:20:11 0 0.04 0.00 0.12 0.02 0.01 99.81 04:20:11 1 0.45 0.00 0.07 0.00 0.00 99.47 04:30:01 all 0.30 0.00 0.16 0.01 0.00 99.53 04:30:01 0 0.08 0.00 0.18 0.02 0.01 99.72 04:30:01 1 0.52 0.00 0.13 0.01 0.00 99.33 04:40:11 all 0.24 0.00 0.07 0.01 0.00 99.67 04:40:11 0 0.04 0.00 0.09 0.00 0.00 99.87 04:40:11 1 0.45 0.00 0.06 0.02 0.00 99.47 04:50:28 all 0.24 0.00 0.08 0.01 0.00 99.67 04:50:28 0 0.05 0.00 0.09 0.00 0.00 99.86 04:50:28 1 0.44 0.00 0.06 0.02 0.00 99.48 04:50:28 CPU %user %nice %system %iowait %steal %idle 05:00:01 all 0.28 0.00 0.16 0.01 0.00 99.55 05:00:01 0 0.07 0.00 0.19 0.00 0.00 99.74 05:00:01 1 0.49 0.00 0.13 0.02 0.00 99.35 05:10:28 all 15.65 0.00 2.00 0.61 0.02 81.72 05:10:28 0 19.81 0.00 2.20 1.05 0.01 76.92 05:10:28 1 11.49 0.00 1.80 0.18 0.02 86.51 Average: all 0.94 0.01 0.21 0.05 0.01 98.79 Average: 0 1.08 0.01 0.22 0.07 0.01 98.61 Average: 1 0.79 0.00 0.20 0.02 0.01 98.98