---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-57483 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 13G 66G 16% / 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 690 8526 4 6772 14955 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:c2:34:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.255/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84512sec preferred_lft 84512sec inet6 fe80::f816:3eff:fec2:3453/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:cc:02:ec:8c:0b 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-57483) 09/22/26 _x86_64_ (4 CPU) 16:16:02 LINUX RESTART (4 CPU) 16:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:30:01 66.58 0.15 56.06 10.37 9.23 5024.33 37204.56 16:40:01 68.13 0.18 47.16 20.78 27.13 3850.06 260320.37 Average: 67.35 0.17 51.61 15.58 18.19 4436.23 148945.88 16:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:30:01 8791244 12675188 3281112 20.04 175776 3815608 3590052 20.61 720552 6457100 33852 16:40:01 7510820 12481216 3469652 21.19 200152 4829548 3631608 20.85 1029152 7375852 579116 Average: 8151032 12578202 3375382 20.62 187964 4322578 3610830 20.73 874852 6916476 306484 16:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:30:01 lo 1464.48 1464.48 1389.76 1389.76 0.00 0.00 0.00 0.00 16:30:01 ens3 117.74 103.77 261.15 12.90 0.00 0.00 0.00 0.00 16:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:01 lo 1439.60 1439.60 1371.87 1371.87 0.00 0.00 0.00 0.00 16:40:01 ens3 67.98 64.74 153.38 9.58 0.00 0.00 0.00 0.00 16:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1452.02 1452.02 1380.80 1380.80 0.00 0.00 0.00 0.00 Average: ens3 92.82 84.22 207.18 11.24 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-57483) 09/22/26 _x86_64_ (4 CPU) 16:16:02 LINUX RESTART (4 CPU) 16:20:03 CPU %user %nice %system %iowait %steal %idle 16:30:01 all 68.66 0.00 3.09 0.40 0.04 27.81 16:30:01 0 68.00 0.00 3.14 0.42 0.04 28.40 16:30:01 1 69.34 0.00 2.92 0.37 0.04 27.33 16:30:01 2 68.06 0.00 3.17 0.47 0.05 28.26 16:30:01 3 69.23 0.00 3.13 0.35 0.04 27.26 16:40:01 all 62.08 0.00 3.18 0.31 0.04 34.39 16:40:01 0 60.01 0.00 3.68 0.39 0.04 35.89 16:40:01 1 61.37 0.00 2.99 0.19 0.04 35.42 16:40:01 2 63.44 0.00 3.38 0.23 0.04 32.90 16:40:01 3 63.51 0.00 2.66 0.43 0.04 33.36 Average: all 65.37 0.00 3.13 0.36 0.04 31.11 Average: 0 64.00 0.00 3.41 0.40 0.04 32.15 Average: 1 65.35 0.00 2.95 0.28 0.04 31.38 Average: 2 65.75 0.00 3.27 0.35 0.04 30.58 Average: 3 66.37 0.00 2.89 0.39 0.04 30.31