---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-206 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 66G 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 672 9260 4 6056 14973 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:8f:d8:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84650sec preferred_lft 84650sec inet6 fe80::f816:3eff:fe8f:d842/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:f9:07:d2:dd:98 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-206) 09/05/26 _x86_64_ (4 CPU) 07:09:09 LINUX RESTART (4 CPU) 07:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:01 34.72 3.45 27.60 3.66 183.33 5567.06 64898.48 07:30:09 15.57 0.16 13.30 2.11 4.97 1562.65 24500.17 Average: 25.05 1.79 20.38 2.88 93.24 3544.33 44492.21 07:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:01 9709272 13216868 2742240 16.75 121320 3513128 3283012 18.84 653084 5625516 37948 07:30:09 9265664 13139972 2815192 17.19 143312 3828276 2969812 17.05 776500 5899264 16832 Average: 9487468 13178420 2778716 16.97 132316 3670702 3126412 17.95 714792 5762390 27390 07:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:01 lo 17.27 17.27 3.71 3.71 0.00 0.00 0.00 0.00 07:20:01 ens3 100.41 76.01 827.08 12.20 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:09 lo 768.90 768.90 698.50 698.50 0.00 0.00 0.00 0.00 07:30:09 ens3 35.49 27.48 244.91 5.17 0.00 0.00 0.00 0.00 07:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 396.94 396.94 354.67 354.67 0.00 0.00 0.00 0.00 Average: ens3 67.62 51.50 533.01 8.65 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-206) 09/05/26 _x86_64_ (4 CPU) 07:09:09 LINUX RESTART (4 CPU) 07:10:06 CPU %user %nice %system %iowait %steal %idle 07:20:01 all 35.05 0.00 1.67 0.36 0.02 62.90 07:20:01 0 32.84 0.00 1.40 0.18 0.02 65.56 07:20:01 1 35.84 0.00 1.81 0.34 0.02 61.99 07:20:01 2 35.22 0.00 1.57 0.61 0.02 62.57 07:20:01 3 36.29 0.00 1.90 0.33 0.02 61.47 07:30:09 all 22.91 0.00 1.45 0.07 0.01 75.55 07:30:09 0 22.39 0.00 1.48 0.05 0.01 76.07 07:30:09 1 24.25 0.00 1.64 0.10 0.02 73.99 07:30:09 2 22.42 0.00 1.21 0.06 0.01 76.29 07:30:09 3 22.57 0.00 1.48 0.09 0.01 75.85 Average: all 28.92 0.00 1.56 0.22 0.02 69.29 Average: 0 27.57 0.00 1.44 0.11 0.02 70.86 Average: 1 29.99 0.00 1.72 0.22 0.02 68.05 Average: 2 28.75 0.00 1.39 0.33 0.02 69.51 Average: 3 29.36 0.00 1.69 0.21 0.02 68.73