---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6526 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 751 5189 4 2295 7190 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:f1:82:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.68/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 71764sec preferred_lft 71764sec inet6 fe80::f816:3eff:fef1:8252/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6526) 09/10/26 _x86_64_ (2 CPU) 01:04:33 LINUX RESTART (2 CPU) 01:10:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:26 1.31 0.01 1.30 0.00 0.07 16.15 0.08 01:30:01 1.29 0.00 1.28 0.02 0.00 16.26 222.94 01:40:26 1.14 0.00 1.14 0.00 0.00 14.23 0.08 01:50:14 1.12 0.00 1.12 0.00 0.00 13.60 0.00 02:00:01 1.96 0.34 1.60 0.02 44.42 107.47 218.19 02:10:04 1.27 0.00 1.27 0.00 0.00 15.61 0.24 02:20:26 1.26 0.00 1.24 0.02 0.00 15.07 0.77 02:30:01 15.31 0.00 1.50 13.81 0.15 18.52 114032.37 02:40:26 1.26 0.00 1.24 0.02 0.00 15.42 0.77 02:50:14 1.27 0.00 1.26 0.02 0.00 15.72 0.82 03:00:01 1.38 0.00 1.36 0.03 0.00 16.96 436.55 03:10:04 1.21 0.00 1.19 0.02 0.00 15.17 0.80 03:20:26 1.43 0.02 1.39 0.02 2.07 17.05 0.73 03:30:01 1.55 0.00 1.51 0.03 0.00 18.74 445.60 03:40:26 1.47 0.00 1.46 0.02 0.00 17.40 0.77 03:50:04 1.37 0.00 1.36 0.02 0.00 16.36 0.83 04:00:01 1.51 0.00 1.48 0.03 0.00 18.45 429.30 04:10:14 1.40 0.00 1.38 0.02 0.00 16.76 0.78 04:20:26 1.54 0.00 1.53 0.02 0.00 18.19 0.78 04:30:01 1.55 0.00 1.52 0.03 0.00 18.40 445.67 04:40:26 1.48 0.00 1.46 0.02 0.00 17.19 0.84 04:50:14 1.34 0.00 1.32 0.02 0.00 15.71 0.82 05:00:01 1.56 0.00 1.53 0.03 0.00 18.54 436.05 Average: 1.98 0.02 1.37 0.59 2.00 20.48 4876.24 01:10:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:26 6314392 7562320 258312 3.18 30644 1423936 521504 5.68 438608 1183980 136 01:30:01 6297548 7545972 274716 3.38 30808 1424268 521708 5.68 438532 1184468 268 01:40:26 6301620 7550580 270104 3.32 31008 1424596 521716 5.68 438732 1184996 180 01:50:14 6306688 7556116 264572 3.25 31144 1424916 521776 5.68 438880 1185460 148 02:00:01 6220628 7510104 309644 3.81 31760 1463840 714888 7.79 457188 1214788 288 02:10:04 6237852 7527852 291864 3.59 31948 1464168 715020 7.79 457372 1215304 208 02:20:26 6243428 7533944 285744 3.51 32140 1464488 715020 7.79 457500 1215808 160 02:30:01 6243268 7534424 284980 3.50 32360 1464864 715084 7.79 457500 1216384 248 02:40:26 6243304 7535004 284396 3.50 32568 1465192 715148 7.79 457624 1216920 124 02:50:14 6250640 7543020 276372 3.40 32788 1465648 715172 7.79 457748 1217468 132 03:00:01 6250976 7543888 275384 3.39 32976 1465972 715332 7.79 457980 1217968 280 03:10:04 6250220 7543688 275616 3.39 33184 1466300 715332 7.79 458060 1218516 308 03:20:26 6233568 7528216 291112 3.58 33384 1467268 715472 7.79 458672 1219124 124 03:30:01 6241488 7536796 282432 3.47 33588 1467724 715536 7.79 458648 1219644 288 03:40:26 6248292 7544140 275076 3.38 33780 1468052 715536 7.79 458832 1220176 124 03:50:04 6251756 7548136 271080 3.33 33980 1468380 715536 7.79 458708 1220704 260 04:00:01 6244104 7541044 278192 3.42 34196 1468708 715536 7.79 458680 1221248 272 04:10:14 6247672 7545156 274072 3.37 34408 1469036 715536 7.79 458872 1221788 208 04:20:26 6247420 7545580 273672 3.37 34616 1469492 715536 7.79 459008 1222324 124 04:30:01 6252504 7551196 267952 3.29 34816 1469820 715536 7.79 458864 1222852 248 04:40:26 6251748 7550996 268148 3.30 35036 1470148 715536 7.79 459068 1223400 124 04:50:14 6256032 7555804 263324 3.24 35228 1470472 715536 7.79 459108 1223916 244 05:00:01 6242736 7543048 276068 3.39 35436 1470800 715536 7.79 458952 1224452 160 Average: 6255560 7542479 277080 3.41 33122 1459917 681675 7.42 454919 1213552 202 01:10:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:26 ens3 1.04 0.07 0.14 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 0.44 0.07 0.09 0.05 0.00 0.00 0.00 0.00 01:40:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:26 ens3 0.53 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:14 ens3 0.33 0.06 0.08 0.04 0.00 0.00 0.00 0.00 02:00:01 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.69 0.47 3.40 0.62 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 0.23 0.03 0.04 0.02 0.00 0.00 0.00 0.00 02:20:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:26 ens3 0.25 0.05 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 0.26 0.04 0.06 0.03 0.00 0.00 0.00 0.00 02:40:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:26 ens3 0.30 0.07 0.08 0.04 0.00 0.00 0.00 0.00 02:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:14 ens3 0.45 0.08 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 0.29 0.06 0.08 0.05 0.00 0.00 0.00 0.00 03:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:04 ens3 0.23 0.05 0.04 0.02 0.00 0.00 0.00 0.00 03:20:26 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:20:26 ens3 0.21 0.05 0.03 0.02 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 0.07 0.10 0.05 0.00 0.00 0.00 0.00 03:40:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:26 ens3 0.20 0.04 0.03 0.02 0.00 0.00 0.00 0.00 03:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:04 ens3 0.20 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 0.19 0.04 0.04 0.03 0.00 0.00 0.00 0.00 04:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:14 ens3 0.19 0.04 0.03 0.02 0.00 0.00 0.00 0.00 04:20:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:20:26 ens3 0.19 0.05 0.05 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 0.16 0.02 0.01 0.01 0.00 0.00 0.00 0.00 04:40:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:40:26 ens3 0.28 0.07 0.08 0.04 0.00 0.00 0.00 0.00 04:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:50:14 ens3 0.32 0.09 0.09 0.06 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 0.54 0.13 0.17 0.10 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.34 0.08 0.21 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6526) 09/10/26 _x86_64_ (2 CPU) 01:04:33 LINUX RESTART (2 CPU) 01:10:26 CPU %user %nice %system %iowait %steal %idle 01:20:26 all 0.27 0.00 0.11 0.01 0.01 99.61 01:20:26 0 0.09 0.00 0.12 0.02 0.01 99.75 01:20:26 1 0.44 0.00 0.09 0.00 0.01 99.46 01:30:01 all 0.28 0.00 0.16 0.01 0.00 99.54 01:30:01 0 0.21 0.00 0.15 0.00 0.01 99.63 01:30:01 1 0.35 0.00 0.17 0.02 0.00 99.46 01:40:26 all 0.24 0.00 0.09 0.01 0.00 99.65 01:40:26 0 0.43 0.00 0.07 0.01 0.00 99.49 01:40:26 1 0.05 0.00 0.11 0.01 0.01 99.82 01:50:14 all 0.26 0.00 0.09 0.01 0.01 99.63 01:50:14 0 0.10 0.00 0.10 0.01 0.01 99.79 01:50:14 1 0.41 0.00 0.08 0.02 0.01 99.48 02:00:01 all 0.44 0.00 0.23 0.03 0.01 99.30 02:00:01 0 0.33 0.00 0.25 0.03 0.01 99.38 02:00:01 1 0.55 0.00 0.20 0.02 0.01 99.22 02:10:04 all 0.25 0.00 0.10 0.01 0.01 99.64 02:10:04 0 0.40 0.00 0.07 0.02 0.00 99.50 02:10:04 1 0.09 0.00 0.12 0.01 0.01 99.77 02:20:26 all 0.24 0.00 0.09 0.02 0.01 99.64 02:20:26 0 0.42 0.00 0.04 0.00 0.01 99.53 02:20:26 1 0.06 0.00 0.13 0.04 0.01 99.75 02:30:01 all 0.28 0.00 0.20 0.05 0.01 99.47 02:30:01 0 0.47 0.00 0.17 0.00 0.00 99.36 02:30:01 1 0.09 0.00 0.23 0.09 0.01 99.58 02:40:26 all 0.27 0.00 0.09 0.02 0.01 99.61 02:40:26 0 0.25 0.00 0.08 0.02 0.01 99.63 02:40:26 1 0.29 0.00 0.10 0.01 0.01 99.60 02:50:14 all 0.24 0.00 0.10 0.01 0.01 99.64 02:50:14 0 0.08 0.00 0.11 0.01 0.01 99.80 02:50:14 1 0.40 0.00 0.09 0.02 0.01 99.49 03:00:01 all 0.29 0.00 0.18 0.01 0.02 99.51 03:00:01 0 0.29 0.00 0.17 0.02 0.01 99.51 03:00:01 1 0.29 0.00 0.18 0.01 0.02 99.50 03:00:01 CPU %user %nice %system %iowait %steal %idle 03:10:04 all 0.26 0.00 0.10 0.01 0.01 99.62 03:10:04 0 0.45 0.00 0.07 0.01 0.01 99.46 03:10:04 1 0.06 0.00 0.13 0.01 0.02 99.78 03:20:26 all 0.29 0.00 0.10 0.01 0.01 99.59 03:20:26 0 0.38 0.00 0.07 0.00 0.01 99.54 03:20:26 1 0.19 0.00 0.12 0.02 0.02 99.65 03:30:01 all 0.28 0.00 0.17 0.01 0.01 99.52 03:30:01 0 0.12 0.00 0.20 0.02 0.01 99.65 03:30:01 1 0.44 0.00 0.14 0.01 0.01 99.40 03:40:26 all 0.25 0.00 0.09 0.01 0.02 99.63 03:40:26 0 0.43 0.00 0.05 0.00 0.01 99.50 03:40:26 1 0.07 0.00 0.13 0.02 0.03 99.75 03:50:04 all 0.29 0.00 0.09 0.01 0.01 99.60 03:50:04 0 0.51 0.00 0.04 0.01 0.00 99.43 03:50:04 1 0.06 0.00 0.14 0.02 0.01 99.78 04:00:01 all 0.27 0.00 0.18 0.01 0.01 99.52 04:00:01 0 0.42 0.00 0.15 0.02 0.01 99.40 04:00:01 1 0.13 0.00 0.22 0.00 0.01 99.65 04:10:14 all 0.26 0.00 0.09 0.01 0.00 99.63 04:10:14 0 0.06 0.00 0.12 0.02 0.00 99.81 04:10:14 1 0.47 0.00 0.07 0.00 0.00 99.46 04:20:26 all 0.25 0.00 0.09 0.01 0.01 99.65 04:20:26 0 0.13 0.00 0.10 0.02 0.01 99.74 04:20:26 1 0.36 0.00 0.07 0.01 0.00 99.55 04:30:01 all 0.25 0.00 0.16 0.01 0.00 99.57 04:30:01 0 0.43 0.00 0.12 0.01 0.00 99.43 04:30:01 1 0.07 0.00 0.20 0.01 0.00 99.71 04:40:26 all 0.24 0.00 0.08 0.01 0.00 99.66 04:40:26 0 0.44 0.00 0.06 0.02 0.00 99.48 04:40:26 1 0.04 0.00 0.11 0.01 0.00 99.84 04:50:14 all 0.23 0.00 0.08 0.01 0.00 99.67 04:50:14 0 0.42 0.00 0.07 0.01 0.00 99.49 04:50:14 1 0.04 0.00 0.10 0.01 0.00 99.84 04:50:14 CPU %user %nice %system %iowait %steal %idle 05:00:01 all 0.27 0.00 0.17 0.01 0.00 99.54 05:00:01 0 0.47 0.00 0.15 0.01 0.00 99.37 05:00:01 1 0.07 0.00 0.19 0.02 0.01 99.71 Average: all 0.27 0.00 0.12 0.01 0.01 99.59 Average: 0 0.32 0.00 0.11 0.01 0.01 99.55 Average: 1 0.22 0.00 0.14 0.02 0.01 99.62