---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22025 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 10G 68G 13% / 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 664 11062 4 4261 14981 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:6e:63:67 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.246/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82075sec preferred_lft 82075sec inet6 fe80::f816:3eff:fe6e:6367/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:b1:61:9f:6f:c9 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-22025) 09/19/26 _x86_64_ (4 CPU) 07:02:46 LINUX RESTART (4 CPU) 07:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:05 1.55 0.01 1.55 0.00 0.05 17.91 0.15 07:30:01 1.45 0.00 1.45 0.00 0.00 16.95 0.00 07:40:05 1.49 0.00 1.49 0.00 0.13 16.90 0.00 07:50:05 1.45 0.00 1.45 0.00 0.00 16.76 0.00 08:00:01 1.40 0.00 1.40 0.00 0.00 16.06 0.00 08:10:05 26.68 1.36 24.81 0.51 97.77 898.73 630.96 Average: 5.70 0.23 5.38 0.09 16.44 164.94 105.94 07:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:05 13726912 15513356 505232 3.09 54136 1960032 1172192 6.73 187332 2200388 172 07:30:01 13726912 15513980 504472 3.08 54736 1960044 1172192 6.73 187928 2201348 204 07:40:05 13725656 15513484 505012 3.08 55312 1960220 1172192 6.73 188512 2202080 172 07:50:05 13725152 15513556 504924 3.08 55880 1960228 1172192 6.73 189080 2202848 176 08:00:01 13723904 15512904 505604 3.09 56456 1960240 1180448 6.78 189656 2204344 200 08:10:05 12989304 15321596 663016 4.05 88456 2443268 1324508 7.60 255816 2837688 335972 Average: 13602973 15481479 531377 3.25 60829 2040672 1198954 6.88 199721 2308116 56149 07:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:20:05 ens3 0.46 0.08 0.05 0.02 0.00 0.00 0.00 0.00 07:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:30:01 ens3 0.32 0.08 0.04 0.02 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:40:05 ens3 0.32 0.08 0.04 0.02 0.00 0.00 0.00 0.00 07:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:50:05 ens3 0.29 0.08 0.04 0.02 0.00 0.00 0.00 0.00 07:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:00:01 ens3 0.30 0.11 0.07 0.04 0.00 0.00 0.00 0.00 08:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:05 lo 0.17 0.17 0.01 0.01 0.00 0.00 0.00 0.00 08:10:05 ens3 33.89 24.57 177.56 5.28 0.00 0.00 0.00 0.00 08:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 5.97 4.19 29.84 0.90 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-22025) 09/19/26 _x86_64_ (4 CPU) 07:02:46 LINUX RESTART (4 CPU) 07:10:05 CPU %user %nice %system %iowait %steal %idle 07:20:05 all 0.15 0.00 0.02 0.04 0.00 99.80 07:20:05 0 0.01 0.00 0.01 0.03 0.00 99.94 07:20:05 1 0.03 0.00 0.03 0.11 0.00 99.83 07:20:05 2 0.53 0.00 0.02 0.00 0.00 99.45 07:20:05 3 0.02 0.00 0.02 0.01 0.00 99.96 07:30:01 all 0.03 0.00 0.02 0.01 0.00 99.94 07:30:01 0 0.01 0.00 0.01 0.00 0.00 99.97 07:30:01 1 0.02 0.00 0.03 0.04 0.00 99.91 07:30:01 2 0.08 0.00 0.01 0.01 0.00 99.90 07:30:01 3 0.01 0.00 0.03 0.00 0.00 99.96 07:40:05 all 0.05 0.00 0.02 0.01 0.00 99.92 07:40:05 0 0.00 0.00 0.01 0.03 0.00 99.96 07:40:05 1 0.02 0.00 0.04 0.00 0.00 99.93 07:40:05 2 0.17 0.00 0.01 0.00 0.00 99.81 07:40:05 3 0.01 0.00 0.02 0.00 0.00 99.96 07:50:05 all 0.19 0.00 0.02 0.01 0.00 99.78 07:50:05 0 0.03 0.00 0.03 0.03 0.00 99.91 07:50:05 1 0.70 0.00 0.02 0.00 0.00 99.28 07:50:05 2 0.01 0.00 0.01 0.01 0.00 99.98 07:50:05 3 0.01 0.00 0.02 0.01 0.00 99.96 08:00:01 all 0.02 0.00 0.02 0.01 0.00 99.96 08:00:01 0 0.03 0.00 0.01 0.01 0.00 99.95 08:00:01 1 0.01 0.00 0.01 0.00 0.00 99.98 08:00:01 2 0.02 0.00 0.02 0.00 0.00 99.97 08:00:01 3 0.02 0.00 0.02 0.03 0.00 99.92 08:10:05 all 2.30 0.00 0.22 0.25 0.00 97.22 08:10:05 0 4.32 0.00 0.29 0.08 0.00 95.31 08:10:05 1 1.22 0.00 0.13 0.10 0.00 98.54 08:10:05 2 1.77 0.00 0.21 0.03 0.00 97.99 08:10:05 3 1.87 0.00 0.26 0.80 0.00 97.06 Average: all 0.46 0.00 0.05 0.06 0.00 99.43 Average: 0 0.74 0.00 0.06 0.03 0.00 99.17 Average: 1 0.34 0.00 0.04 0.04 0.00 99.58 Average: 2 0.43 0.00 0.05 0.01 0.00 99.51 Average: 3 0.33 0.00 0.06 0.14 0.00 99.47