---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-46838 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 728 5981 4 9278 14917 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:e2:16:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80097sec preferred_lft 80097sec inet6 fe80::f816:3eff:fee2:1676/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:3d:2d:e4:49:e8 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::e83d:2dff:fee4:49e8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-16g-46838) 09/02/26 _x86_64_ (4 CPU) 09:22:36 LINUX RESTART (4 CPU) 09:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:02 17.06 0.84 15.33 0.89 75.74 1440.63 963.01 09:50:07 6.47 0.00 6.13 0.33 0.05 211.33 339.25 10:00:01 22.54 0.75 20.57 1.22 9.13 1743.21 653.12 10:10:07 29.21 0.00 27.83 1.38 0.00 1667.26 1228.14 10:20:07 8.77 0.00 8.39 0.37 0.11 203.33 106.85 10:30:01 7.13 0.00 6.74 0.39 0.00 217.34 129.85 10:40:07 6.85 0.00 6.65 0.20 0.01 163.32 323.34 10:50:07 9.63 0.00 9.23 0.40 0.01 543.84 153.07 11:00:01 7.51 0.00 7.23 0.28 0.00 276.50 621.79 Average: 12.81 0.18 12.02 0.61 9.46 718.63 502.85 09:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:02 6243960 14049572 1878620 11.47 235728 7408556 2995976 17.20 1973568 7449844 3220 09:50:07 3253924 11069040 4858116 29.67 237388 7416288 5598104 32.13 1994692 10410624 32 10:00:01 1528636 9727024 6197488 37.85 250660 7771196 7101288 40.76 2122228 11978812 496 10:10:07 1076884 9612244 6311156 38.55 262408 8086428 7543672 43.30 2231908 12315496 2540 10:20:07 2677284 11230556 4693240 28.66 263540 8103164 5410960 31.06 2236808 10698364 100 10:30:01 1337340 9921184 6003160 36.66 264452 8132324 6842984 39.28 2239804 12036224 592 10:40:07 1326824 9930640 5993468 36.61 265160 8151072 6803576 39.05 2243320 12052536 108 10:50:07 3150260 11878096 4046912 24.72 269240 8261912 5223532 29.98 2250780 10224244 1172 11:00:01 2298280 11072632 4852152 29.63 269964 8306240 5892244 33.82 2270180 11055936 300 Average: 2543710 10943443 4981590 30.43 257616 7959687 5934704 34.07 2173699 10913564 951 09:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:02 lo 9.03 9.03 6.01 6.01 0.00 0.00 0.00 0.00 09:40:02 ens3 0.68 0.57 0.18 0.15 0.00 0.00 0.00 0.00 09:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:07 lo 14.92 14.92 8.11 8.11 0.00 0.00 0.00 0.00 09:50:07 ens3 0.62 0.58 0.12 0.10 0.00 0.00 0.00 0.00 09:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 6.58 6.58 7.28 7.28 0.00 0.00 0.00 0.00 10:00:01 ens3 1.07 0.90 0.33 0.28 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:07 lo 26.11 26.11 15.43 15.43 0.00 0.00 0.00 0.00 10:10:07 ens3 1.59 1.57 0.36 1.14 0.00 0.00 0.00 0.00 10:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:07 lo 26.22 26.22 12.35 12.35 0.00 0.00 0.00 0.00 10:20:07 ens3 0.93 0.81 0.21 0.18 0.00 0.00 0.00 0.00 10:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 29.57 29.57 11.74 11.74 0.00 0.00 0.00 0.00 10:30:01 ens3 0.55 0.44 0.11 0.08 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:07 lo 19.22 19.22 10.03 10.03 0.00 0.00 0.00 0.00 10:40:07 ens3 0.63 0.53 0.13 0.11 0.00 0.00 0.00 0.00 10:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:07 lo 14.48 14.48 7.88 7.88 0.00 0.00 0.00 0.00 10:50:07 ens3 0.88 0.81 0.25 0.21 0.00 0.00 0.00 0.00 10:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 23.40 23.40 10.69 10.69 0.00 0.00 0.00 0.00 11:00:01 ens3 0.82 0.70 0.17 0.15 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 18.84 18.84 9.95 9.95 0.00 0.00 0.00 0.00 Average: ens3 0.86 0.77 0.21 0.27 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-46838) 09/02/26 _x86_64_ (4 CPU) 09:22:36 LINUX RESTART (4 CPU) 09:30:01 CPU %user %nice %system %iowait %steal %idle 09:40:02 all 19.46 0.00 0.96 0.07 0.01 79.49 09:40:02 0 20.56 0.00 1.06 0.03 0.02 78.32 09:40:02 1 19.39 0.00 0.89 0.12 0.01 79.58 09:40:02 2 18.24 0.00 0.96 0.07 0.01 80.71 09:40:02 3 19.62 0.00 0.94 0.07 0.01 79.36 09:50:07 all 12.59 0.00 0.62 0.08 0.01 86.69 09:50:07 0 13.13 0.00 0.73 0.12 0.02 86.00 09:50:07 1 11.87 0.00 0.68 0.06 0.01 87.37 09:50:07 2 12.84 0.00 0.47 0.08 0.01 86.60 09:50:07 3 12.52 0.00 0.59 0.07 0.01 86.80 10:00:01 all 25.26 0.00 1.11 0.06 0.02 73.55 10:00:01 0 25.30 0.00 1.29 0.10 0.02 73.29 10:00:01 1 25.06 0.00 1.14 0.04 0.02 73.74 10:00:01 2 25.12 0.00 1.05 0.07 0.02 73.73 10:00:01 3 25.56 0.00 0.96 0.02 0.02 73.44 10:10:07 all 42.10 0.00 1.57 0.10 0.02 56.22 10:10:07 0 42.98 0.00 1.59 0.03 0.02 55.37 10:10:07 1 42.30 0.00 1.61 0.19 0.02 55.88 10:10:07 2 42.18 0.00 1.50 0.10 0.02 56.20 10:10:07 3 40.92 0.00 1.59 0.06 0.02 57.41 10:20:07 all 13.90 0.00 0.75 0.03 0.03 85.29 10:20:07 0 13.38 0.00 0.80 0.03 0.03 85.76 10:20:07 1 14.02 0.00 0.80 0.04 0.02 85.12 10:20:07 2 14.39 0.00 0.73 0.05 0.03 84.80 10:20:07 3 13.80 0.00 0.68 0.02 0.03 85.47 10:30:01 all 15.85 0.00 0.75 0.04 0.02 83.34 10:30:01 0 15.12 0.00 0.83 0.06 0.02 83.96 10:30:01 1 15.86 0.00 0.68 0.01 0.02 83.43 10:30:01 2 16.07 0.00 0.68 0.04 0.02 83.20 10:30:01 3 16.36 0.00 0.79 0.06 0.02 82.78 10:40:07 all 9.99 0.00 0.58 0.39 0.02 89.02 10:40:07 0 10.20 0.00 0.67 1.05 0.02 88.06 10:40:07 1 9.91 0.00 0.60 0.14 0.01 89.34 10:40:07 2 10.00 0.00 0.54 0.28 0.02 89.16 10:40:07 3 9.86 0.00 0.51 0.09 0.02 89.53 10:50:07 all 11.88 0.00 0.58 0.05 0.02 87.46 10:50:07 0 11.36 0.00 0.65 0.11 0.03 87.86 10:50:07 1 11.92 0.00 0.62 0.02 0.02 87.42 10:50:07 2 12.98 0.00 0.51 0.05 0.02 86.44 10:50:07 3 11.26 0.00 0.56 0.04 0.02 88.12 11:00:01 all 15.69 0.00 0.76 0.05 0.03 83.47 11:00:01 0 15.58 0.00 0.83 0.02 0.03 83.55 11:00:01 1 15.44 0.00 0.72 0.07 0.03 83.73 11:00:01 2 16.00 0.00 0.85 0.05 0.03 83.07 11:00:01 3 15.73 0.00 0.65 0.07 0.03 83.53 Average: all 18.54 0.00 0.86 0.10 0.02 80.49 Average: 0 18.64 0.00 0.94 0.17 0.02 80.23 Average: 1 18.43 0.00 0.86 0.08 0.02 80.61 Average: 2 18.66 0.00 0.81 0.09 0.02 80.42 Average: 3 18.42 0.00 0.81 0.05 0.02 80.70