---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-3171 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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): 4 On-line CPU(s) list: 0-3 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): 4 Stepping: 0 BogoMIPS: 5600.00 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 17G 61G 22% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 729 6788 4 8471 14916 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:7e:f5:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78811sec preferred_lft 78811sec inet6 fe80::f816:3eff:fe7e:f5b5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:01:08:d5:7d:ec brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::8401:8ff:fed5:7dec/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-3171) 09/08/26 _x86_64_ (4 CPU) 14:36:24 LINUX RESTART (4 CPU) 14:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:05 70.57 7.14 60.36 3.07 722.94 27407.97 11751.22 15:00:05 7.89 0.81 6.79 0.29 75.25 919.84 846.40 15:10:05 4.70 0.01 4.52 0.18 0.04 119.83 245.91 15:20:01 7.68 0.01 7.23 0.44 0.12 306.51 671.03 15:30:05 24.01 0.76 22.14 1.10 9.22 1779.18 876.95 15:40:01 46.36 0.09 29.31 16.96 2.63 1829.54 219736.95 15:50:01 5.50 0.00 5.26 0.25 0.00 185.19 87.89 16:00:05 9.34 0.00 8.97 0.37 0.00 268.06 197.06 16:10:05 4.81 0.00 4.75 0.07 0.00 81.52 47.44 16:20:01 3.64 0.00 3.49 0.15 0.00 132.69 22.28 16:30:05 11.13 0.00 10.58 0.55 0.00 683.74 185.01 16:40:05 5.36 0.00 5.20 0.16 0.00 183.52 91.49 Average: 16.78 0.74 14.08 1.96 67.95 2840.95 19427.07 14:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:05 2796324 12774576 3153364 19.26 233388 9560380 5074488 29.13 1896096 10946656 209276 15:00:05 3586644 11089980 4838032 29.55 231632 7117552 5536232 31.78 1946508 10124556 424 15:10:05 3521764 11032612 4895536 29.90 232676 7123840 5633320 32.34 1962928 10176504 392 15:20:01 2140036 9668176 6259140 38.23 234428 7139388 7086064 40.67 1969012 11543516 240 15:30:05 866152 8784340 7140908 43.61 248212 7500532 7848468 45.05 2091092 12661120 336 15:40:01 6751248 14334352 1594652 9.74 260584 7158144 2929328 16.81 2225724 6690524 13660 15:50:01 3561256 11161732 4766268 29.11 261544 7174296 5488932 31.51 2227504 9864184 404 16:00:05 2412964 10052084 5875212 35.88 262452 7211972 6753484 38.76 2230584 10997280 284 16:10:05 6476172 14138780 1790500 10.94 263000 7234844 2880948 16.54 2233984 6951000 21292 16:20:01 5438400 13103500 2824632 17.25 263720 7236616 3623328 20.80 2234748 7956628 160 16:30:05 3344500 11166604 4760920 29.08 267688 7381960 5394812 30.97 2250316 10048272 300 16:40:05 2669488 10522436 5404692 33.01 268340 7411300 6011516 34.51 2261688 10710540 256 Average: 3630412 11485764 4441988 27.13 252305 7437569 5355077 30.74 2127515 9889232 20585 14:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:05 lo 2.65 2.65 2.28 2.28 0.00 0.00 0.00 0.00 14:50:05 ens3 156.46 120.86 1578.99 11.34 0.00 0.00 0.00 0.00 14:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:05 lo 11.17 11.17 8.16 8.16 0.00 0.00 0.00 0.00 15:00:05 ens3 0.59 0.43 0.14 0.10 0.00 0.00 0.00 0.00 15:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:05 lo 11.63 11.63 5.28 5.28 0.00 0.00 0.00 0.00 15:10:05 ens3 0.76 0.57 0.21 0.16 0.00 0.00 0.00 0.00 15:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 lo 9.92 9.92 6.24 6.24 0.00 0.00 0.00 0.00 15:20:01 ens3 0.52 0.45 0.14 0.11 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:05 lo 10.88 10.88 10.87 10.87 0.00 0.00 0.00 0.00 15:30:05 ens3 1.11 1.03 0.34 0.28 0.00 0.00 0.00 0.00 15:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:01 lo 28.22 28.22 14.77 14.77 0.00 0.00 0.00 0.00 15:40:01 ens3 1.83 1.87 0.40 1.46 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 lo 19.56 19.56 9.39 9.39 0.00 0.00 0.00 0.00 15:50:01 ens3 0.72 0.79 0.17 0.15 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:05 lo 28.73 28.73 11.35 11.35 0.00 0.00 0.00 0.00 16:00:05 ens3 0.59 0.51 0.16 0.13 0.00 0.00 0.00 0.00 16:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:05 lo 14.77 14.77 6.35 6.35 0.00 0.00 0.00 0.00 16:10:05 ens3 0.48 0.56 0.11 0.10 0.00 0.00 0.00 0.00 16:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 lo 17.90 17.90 10.56 10.56 0.00 0.00 0.00 0.00 16:20:01 ens3 0.66 0.69 0.15 0.13 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:05 lo 18.08 18.08 9.65 9.65 0.00 0.00 0.00 0.00 16:30:05 ens3 0.92 1.00 0.24 0.22 0.00 0.00 0.00 0.00 16:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:05 lo 29.24 29.24 11.21 11.21 0.00 0.00 0.00 0.00 16:40:05 ens3 0.69 0.64 0.18 0.15 0.00 0.00 0.00 0.00 16:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 16.89 16.89 8.84 8.84 0.00 0.00 0.00 0.00 Average: ens3 13.87 10.85 132.71 1.20 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-3171) 09/08/26 _x86_64_ (4 CPU) 14:36:24 LINUX RESTART (4 CPU) 14:40:00 CPU %user %nice %system %iowait %steal %idle 14:50:05 all 35.56 0.00 2.20 0.51 0.02 61.71 14:50:05 0 35.87 0.00 2.40 0.55 0.02 61.16 14:50:05 1 36.94 0.00 2.53 0.37 0.04 60.12 14:50:05 2 34.22 0.00 1.82 0.53 0.02 63.41 14:50:05 3 35.19 0.00 2.07 0.59 0.02 62.13 15:00:05 all 14.39 0.00 0.89 0.05 0.01 84.66 15:00:05 0 14.66 0.00 1.05 0.02 0.01 84.26 15:00:05 1 14.81 0.00 0.89 0.04 0.02 84.24 15:00:05 2 13.53 0.00 0.85 0.07 0.02 85.54 15:00:05 3 14.57 0.00 0.76 0.06 0.01 84.60 15:10:05 all 8.89 0.00 0.51 0.03 0.01 90.55 15:10:05 0 8.65 0.00 0.50 0.02 0.02 90.81 15:10:05 1 8.69 0.00 0.56 0.05 0.01 90.67 15:10:05 2 8.68 0.00 0.42 0.03 0.01 90.85 15:10:05 3 9.54 0.00 0.56 0.01 0.01 89.88 15:20:01 all 17.23 0.00 0.87 0.04 0.01 81.85 15:20:01 0 16.61 0.00 0.93 0.03 0.01 82.42 15:20:01 1 17.89 0.00 0.85 0.07 0.02 81.18 15:20:01 2 16.96 0.00 0.83 0.03 0.02 82.16 15:20:01 3 17.45 0.00 0.87 0.04 0.01 81.62 15:30:05 all 28.93 0.00 1.21 0.08 0.02 69.76 15:30:05 0 28.06 0.00 1.30 0.14 0.03 70.47 15:30:05 1 28.69 0.00 1.18 0.03 0.02 70.08 15:30:05 2 29.53 0.00 1.19 0.07 0.02 69.18 15:30:05 3 29.45 0.00 1.16 0.06 0.02 69.32 15:40:01 all 44.25 0.00 1.84 0.15 0.02 53.74 15:40:01 0 44.98 0.00 1.83 0.04 0.02 53.13 15:40:01 1 43.35 0.00 1.97 0.11 0.03 54.54 15:40:01 2 44.33 0.00 1.87 0.17 0.03 53.61 15:40:01 3 44.33 0.00 1.71 0.26 0.02 53.69 15:50:01 all 11.59 0.00 0.56 0.03 0.01 87.81 15:50:01 0 11.70 0.00 0.51 0.03 0.01 87.75 15:50:01 1 11.20 0.00 0.53 0.07 0.01 88.20 15:50:01 2 11.78 0.00 0.62 0.01 0.01 87.58 15:50:01 3 11.68 0.00 0.58 0.01 0.01 87.71 16:00:05 all 14.97 0.00 0.75 0.05 0.01 84.21 16:00:05 0 14.52 0.00 0.82 0.03 0.01 84.63 16:00:05 1 15.11 0.00 0.70 0.05 0.01 84.12 16:00:05 2 15.46 0.00 0.75 0.06 0.01 83.71 16:00:05 3 14.81 0.00 0.73 0.06 0.01 84.39 16:10:05 all 5.00 0.00 0.30 0.03 0.01 94.66 16:10:05 0 4.95 0.00 0.32 0.07 0.01 94.65 16:10:05 1 5.40 0.00 0.29 0.01 0.01 94.29 16:10:05 2 4.58 0.00 0.31 0.02 0.01 95.08 16:10:05 3 5.07 0.00 0.29 0.02 0.01 94.62 16:20:01 all 7.64 0.00 0.55 0.02 0.01 91.78 16:20:01 0 7.31 0.00 0.66 0.04 0.01 91.99 16:20:01 1 7.47 0.00 0.57 0.01 0.01 91.95 16:20:01 2 7.56 0.00 0.50 0.02 0.01 91.91 16:20:01 3 8.21 0.00 0.47 0.03 0.01 91.27 16:30:05 all 20.01 0.00 0.87 0.06 0.01 79.05 16:30:05 0 19.58 0.00 0.91 0.06 0.01 79.44 16:30:05 1 20.43 0.00 0.93 0.04 0.02 78.57 16:30:05 2 20.52 0.00 0.81 0.06 0.01 78.60 16:30:05 3 19.50 0.00 0.82 0.07 0.01 79.60 16:30:05 CPU %user %nice %system %iowait %steal %idle 16:40:05 all 10.09 0.00 0.47 0.03 0.01 89.40 16:40:05 0 10.10 0.00 0.51 0.04 0.01 89.34 16:40:05 1 10.05 0.00 0.43 0.04 0.01 89.48 16:40:05 2 10.39 0.00 0.50 0.02 0.02 89.07 16:40:05 3 9.82 0.00 0.42 0.02 0.01 89.73 Average: all 18.23 0.00 0.92 0.09 0.02 80.75 Average: 0 18.10 0.00 0.98 0.09 0.01 80.82 Average: 1 18.35 0.00 0.95 0.07 0.02 80.60 Average: 2 18.15 0.00 0.87 0.09 0.02 80.87 Average: 3 18.31 0.00 0.87 0.10 0.01 80.71