---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-60385 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 661 7978 4 7348 14984 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:9a:0d:c6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.181/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84040sec preferred_lft 84040sec inet6 fe80::f816:3eff:fe9a:dc6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:cb:16:58:1f:73 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-60385) 09/28/26 _x86_64_ (4 CPU) 07:57:03 LINUX RESTART (4 CPU) 08:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:14 30.52 1.19 25.97 3.37 67.51 4386.19 27945.52 08:20:01 30.42 0.02 27.28 3.12 0.60 2403.10 30464.61 08:30:01 22.21 0.02 7.74 14.44 0.60 2957.09 241027.30 Average: 27.72 0.42 20.32 6.98 23.38 3262.94 99832.47 08:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:14 8560244 12480548 3475028 21.22 143180 3885612 3626984 20.82 713344 6691608 7348 08:20:01 7979916 12533368 3418456 20.88 168056 4451696 3517248 20.19 851748 7095596 233096 08:30:01 5155576 10255932 5693792 34.78 170292 4980436 5415628 31.09 1051856 9676320 29852 Average: 7231912 11756616 4195759 25.63 160509 4439248 4186620 24.03 872316 7821175 90099 08:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:14 lo 1542.73 1542.73 1464.22 1464.22 0.00 0.00 0.00 0.00 08:10:14 ens3 114.67 83.48 811.17 16.47 0.00 0.00 0.00 0.00 08:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 lo 1533.90 1533.90 1462.05 1462.05 0.00 0.00 0.00 0.00 08:20:01 ens3 35.30 27.55 25.78 11.27 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 473.19 473.19 6996.75 6996.75 0.00 0.00 0.00 0.00 08:30:01 ens3 8.47 6.48 7.68 2.83 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 1183.15 1183.15 3308.68 3308.68 0.00 0.00 0.00 0.00 Average: ens3 53.37 39.56 287.10 10.22 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-60385) 09/28/26 _x86_64_ (4 CPU) 07:57:03 LINUX RESTART (4 CPU) 08:00:01 CPU %user %nice %system %iowait %steal %idle 08:10:14 all 68.47 0.00 2.94 0.12 0.03 28.45 08:10:14 0 69.05 0.00 2.90 0.11 0.03 27.91 08:10:14 1 67.92 0.00 3.10 0.16 0.02 28.80 08:10:14 2 68.26 0.00 2.98 0.07 0.03 28.66 08:10:14 3 68.63 0.00 2.77 0.15 0.03 28.43 08:20:01 all 63.96 0.00 2.92 0.09 0.03 33.00 08:20:01 0 63.03 0.00 2.77 0.09 0.02 34.09 08:20:01 1 65.47 0.00 3.19 0.08 0.03 31.23 08:20:01 2 62.61 0.00 2.92 0.13 0.03 34.31 08:20:01 3 64.73 0.00 2.80 0.07 0.03 32.37 08:30:01 all 32.87 0.00 1.24 0.08 0.02 65.78 08:30:01 0 27.49 0.00 1.59 0.04 0.01 70.87 08:30:01 1 34.44 0.00 1.07 0.18 0.01 64.30 08:30:01 2 26.70 0.00 1.18 0.08 0.01 72.03 08:30:01 3 42.90 0.00 1.13 0.05 0.03 55.89 Average: all 55.12 0.00 2.37 0.10 0.02 42.39 Average: 0 53.21 0.00 2.42 0.08 0.02 44.27 Average: 1 55.95 0.00 2.45 0.14 0.02 41.44 Average: 2 52.54 0.00 2.36 0.09 0.02 44.99 Average: 3 58.78 0.00 2.23 0.09 0.03 38.87