---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-60616 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 13G 65G 17% / 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 692 7947 4 7348 14953 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:ba:6b:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.174/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84129sec preferred_lft 84129sec inet6 fe80::f816:3eff:feba:6b11/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8a:f6:75:32:07:a6 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-60616) 09/29/26 _x86_64_ (4 CPU) 07:57:02 LINUX RESTART (4 CPU) 08:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:29 46.16 1.23 28.67 16.26 72.19 4949.63 243924.45 08:20:22 32.26 0.02 28.87 3.37 0.59 2612.05 9170.19 08:30:01 9.19 0.03 8.74 0.42 0.54 7132.40 51642.44 Average: 29.69 0.45 22.33 6.91 25.53 4880.66 104666.81 08:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:29 9071416 13053092 2901516 17.72 147516 3936560 3084640 17.71 729872 6165188 38640 08:20:22 8511220 13088896 2862708 17.48 167068 4479084 2912844 16.72 860156 6551716 180128 08:30:01 6243556 13010328 2933576 17.92 182232 6580892 2952204 16.95 1684956 7906692 409752 Average: 7942064 13050772 2899267 17.71 165605 4998845 2983229 17.12 1091661 6874532 209507 08:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:29 lo 1678.69 1678.69 1593.93 1593.93 0.00 0.00 0.00 0.00 08:10:29 ens3 103.23 74.94 796.21 17.14 0.00 0.00 0.00 0.00 08:10:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:22 lo 1477.31 1477.31 1407.56 1407.56 0.00 0.00 0.00 0.00 08:20:22 ens3 42.79 32.27 31.19 12.47 0.00 0.00 0.00 0.00 08:20:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 2642.25 2642.25 9634.35 9634.35 0.00 0.00 0.00 0.00 08:30:01 ens3 23.01 19.15 98.60 4.44 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1922.15 1922.15 4118.21 4118.21 0.00 0.00 0.00 0.00 Average: ens3 57.50 42.92 319.56 11.52 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-60616) 09/29/26 _x86_64_ (4 CPU) 07:57:02 LINUX RESTART (4 CPU) 08:00:01 CPU %user %nice %system %iowait %steal %idle 08:10:29 all 68.15 0.00 2.85 0.15 0.04 28.83 08:10:29 0 68.49 0.00 2.82 0.12 0.04 28.54 08:10:29 1 66.57 0.00 2.68 0.20 0.04 30.51 08:10:29 2 69.09 0.00 2.90 0.16 0.04 27.80 08:10:29 3 68.43 0.00 2.98 0.11 0.03 28.45 08:20:22 all 63.14 0.00 2.73 0.12 0.03 33.98 08:20:22 0 61.89 0.00 2.65 0.12 0.03 35.31 08:20:22 1 65.67 0.00 2.65 0.15 0.03 31.50 08:20:22 2 61.12 0.00 2.69 0.08 0.03 36.08 08:20:22 3 63.89 0.00 2.93 0.14 0.04 33.01 08:30:01 all 29.87 0.00 1.39 0.33 0.02 68.38 08:30:01 0 24.48 0.00 1.26 0.74 0.02 73.50 08:30:01 1 31.50 0.00 1.72 0.24 0.02 66.51 08:30:01 2 30.57 0.00 1.05 0.10 0.02 68.26 08:30:01 3 32.95 0.00 1.54 0.24 0.02 65.25 Average: all 54.18 0.00 2.34 0.20 0.03 43.26 Average: 0 52.14 0.00 2.26 0.32 0.03 45.25 Average: 1 54.99 0.00 2.36 0.20 0.03 42.42 Average: 2 54.06 0.00 2.23 0.12 0.03 43.56 Average: 3 55.53 0.00 2.50 0.16 0.03 41.78