---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-4011 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 18G 138G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 799 19643 4 11649 30824 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:dc:2b:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.43/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84498sec preferred_lft 84498sec inet6 fe80::f816:3eff:fedc:2bc6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:50:b2:6d:d4:e4 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-8c-8g-4011) 09/21/26 _x86_64_ (8 CPU) 22:18:06 LINUX RESTART (8 CPU) 22:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:30:00 372.42 5.35 360.86 6.21 300.19 24530.29 23364.69 22:40:00 9.53 0.23 8.27 1.03 2.91 1558.67 698.37 Average: 190.97 2.79 184.57 3.62 151.55 13044.48 12031.53 22:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:30:00 18865448 27958288 4288836 13.05 464600 8173604 4402576 12.98 1474620 11289528 26320 22:40:00 15946608 25441688 6798496 20.69 472028 8538644 10178216 30.01 1565980 14096568 3476 Average: 17406028 26699988 5543666 16.87 468314 8356124 7290396 21.50 1520300 12693048 14898 22:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:30:00 lo 1.85 1.85 0.99 0.99 0.00 0.00 0.00 0.00 22:30:00 ens3 339.49 210.36 2771.79 73.49 0.00 0.00 0.00 0.00 22:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:00 lo 5.85 5.85 0.98 0.98 0.00 0.00 0.00 0.00 22:40:00 ens3 77.44 57.08 83.82 32.34 0.00 0.00 0.00 0.00 22:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.85 3.85 0.98 0.98 0.00 0.00 0.00 0.00 Average: ens3 208.46 133.72 1427.81 52.92 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-8c-8g-4011) 09/21/26 _x86_64_ (8 CPU) 22:18:06 LINUX RESTART (8 CPU) 22:20:00 CPU %user %nice %system %iowait %steal %idle 22:30:00 all 64.18 0.00 4.17 0.60 0.04 31.01 22:30:00 0 66.88 0.00 4.25 0.63 0.04 28.20 22:30:00 1 65.25 0.00 4.02 0.59 0.04 30.11 22:30:00 2 59.22 0.00 4.02 0.73 0.04 36.00 22:30:00 3 69.13 0.00 4.37 0.45 0.04 26.00 22:30:00 4 63.09 0.00 4.44 0.55 0.04 31.88 22:30:00 5 63.26 0.00 4.21 0.77 0.04 31.72 22:30:00 6 61.76 0.00 4.23 0.69 0.04 33.28 22:30:00 7 64.89 0.00 3.79 0.37 0.04 30.92 22:40:00 all 96.15 0.00 3.53 0.00 0.04 0.28 22:40:00 0 96.32 0.00 3.57 0.00 0.04 0.07 22:40:00 1 96.23 0.00 3.30 0.00 0.04 0.42 22:40:00 2 96.28 0.00 3.55 0.00 0.04 0.13 22:40:00 3 96.28 0.00 3.61 0.00 0.04 0.08 22:40:00 4 96.25 0.00 3.28 0.00 0.04 0.42 22:40:00 5 95.81 0.00 3.72 0.00 0.04 0.42 22:40:00 6 95.98 0.00 3.69 0.00 0.04 0.29 22:40:00 7 96.05 0.00 3.50 0.00 0.05 0.40 Average: all 80.21 0.00 3.85 0.30 0.04 15.61 Average: 0 81.62 0.00 3.91 0.32 0.04 14.11 Average: 1 80.77 0.00 3.66 0.29 0.04 15.24 Average: 2 77.80 0.00 3.78 0.36 0.04 18.02 Average: 3 82.73 0.00 3.99 0.23 0.04 13.01 Average: 4 79.72 0.00 3.86 0.28 0.04 16.11 Average: 5 79.58 0.00 3.96 0.38 0.04 16.03 Average: 6 78.92 0.00 3.96 0.35 0.04 16.73 Average: 7 80.52 0.00 3.64 0.18 0.04 15.61