---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7241 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: 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: 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 12G 67G 15% / 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 740 9461 4 5787 14905 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:02:d4:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.235/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82907sec preferred_lft 82907sec inet6 fe80::f816:3eff:fe02:d446/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:ca:c1:7d:83:27 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 ---> sar -b -r -n DEV: Linux 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-7241) 09/11/26 _x86_64_ (4 CPU) 12:06:44 LINUX RESTART (4 CPU) 12:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:11 1.75 0.04 1.70 0.01 1.73 20.59 0.58 12:30:11 1.59 0.01 1.58 0.00 0.04 18.20 0.00 12:40:01 42.17 4.75 36.38 1.04 278.69 5401.92 1500.31 12:50:11 31.36 0.13 27.86 3.37 6.63 3047.21 29231.88 13:00:11 38.46 0.19 21.54 16.74 10.95 7110.29 237555.58 Average: 22.97 1.01 17.74 4.22 58.59 3102.69 53573.69 12:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:11 13755100 15535548 482732 2.95 53876 1954364 1162852 6.67 193392 2187204 32 12:30:11 13754344 15535440 482752 2.95 54504 1954380 1171044 6.72 194016 2188664 28 12:40:01 10191668 13638156 2320736 14.17 139220 3427484 2737356 15.71 585180 5213744 110116 12:50:11 9188456 13223036 2730260 16.68 171456 3935416 3242304 18.61 770524 5961400 110628 13:00:11 9799116 15361900 584424 3.57 204740 5332624 1141888 6.55 938772 5063736 84408 Average: 11337737 14658816 1320181 8.06 124759 3320854 1891089 10.85 536377 4122950 61042 12:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:11 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 12:20:11 ens3 0.42 0.17 0.17 0.07 0.00 0.00 0.00 0.00 12:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:30:11 ens3 0.36 0.11 0.08 0.04 0.00 0.00 0.00 0.00 12:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 lo 207.25 207.25 196.25 196.25 0.00 0.00 0.00 0.00 12:40:01 ens3 134.25 104.15 1041.35 17.43 0.00 0.00 0.00 0.00 12:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:11 lo 1614.49 1614.49 1539.39 1539.39 0.00 0.00 0.00 0.00 12:50:11 ens3 62.69 48.42 235.78 14.02 0.00 0.00 0.00 0.00 12:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:11 lo 436.49 436.49 414.72 414.72 0.00 0.00 0.00 0.00 13:00:11 ens3 49.33 39.92 110.69 14.47 0.00 0.00 0.00 0.00 13:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 454.57 454.57 432.83 432.83 0.00 0.00 0.00 0.00 Average: ens3 49.04 38.26 274.28 9.17 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-4g-7241) 09/11/26 _x86_64_ (4 CPU) 12:06:44 LINUX RESTART (4 CPU) 12:10:01 CPU %user %nice %system %iowait %steal %idle 12:20:11 all 0.14 0.00 0.03 0.02 0.00 99.81 12:20:11 0 0.07 0.00 0.03 0.00 0.00 99.90 12:20:11 1 0.45 0.00 0.03 0.02 0.00 99.50 12:20:11 2 0.03 0.00 0.02 0.01 0.00 99.94 12:20:11 3 0.02 0.00 0.03 0.05 0.00 99.90 12:30:11 all 0.07 0.00 0.03 0.01 0.00 99.88 12:30:11 0 0.19 0.00 0.02 0.00 0.00 99.78 12:30:11 1 0.05 0.00 0.04 0.02 0.01 99.88 12:30:11 2 0.03 0.00 0.02 0.01 0.00 99.93 12:30:11 3 0.02 0.00 0.04 0.01 0.00 99.93 12:40:01 all 26.08 0.00 1.27 0.38 0.02 72.25 12:40:01 0 23.97 0.00 1.15 0.54 0.02 74.32 12:40:01 1 29.78 0.00 1.55 0.62 0.03 68.02 12:40:01 2 27.01 0.00 1.25 0.20 0.02 71.52 12:40:01 3 23.56 0.00 1.11 0.17 0.02 75.13 12:50:11 all 62.39 0.00 2.72 0.08 0.05 34.77 12:50:11 0 61.38 0.00 2.72 0.11 0.04 35.74 12:50:11 1 62.99 0.00 2.89 0.04 0.05 34.03 12:50:11 2 63.18 0.00 2.48 0.07 0.05 34.22 12:50:11 3 62.01 0.00 2.77 0.10 0.05 35.08 13:00:11 all 57.31 0.00 2.21 0.09 0.04 40.36 13:00:11 0 52.05 0.00 1.98 0.11 0.03 45.83 13:00:11 1 62.63 0.00 2.23 0.05 0.05 35.05 13:00:11 2 61.22 0.00 2.58 0.08 0.04 36.09 13:00:11 3 53.35 0.00 2.04 0.11 0.03 44.47 Average: all 29.21 0.00 1.25 0.11 0.02 69.41 Average: 0 27.55 0.00 1.18 0.15 0.02 71.09 Average: 1 31.17 0.00 1.35 0.15 0.02 67.31 Average: 2 30.30 0.00 1.27 0.07 0.02 68.34 Average: 3 27.82 0.00 1.20 0.09 0.02 70.88