---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7679 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 10G 68G 13% / 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 650 11002 4 4336 14995 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:2a:6b:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 85059sec preferred_lft 85059sec inet6 fe80::f816:3eff:fe2a:6b6f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:84:ad:93:9d:2f 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-7679) 09/12/26 _x86_64_ (4 CPU) 21:39:31 LINUX RESTART (4 CPU) 21:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:50:01 46.82 10.47 35.54 0.82 1479.37 5034.09 1359.09 22:00:07 31.86 0.51 16.86 14.49 19.92 2392.11 244876.05 Average: 39.32 5.47 26.17 7.68 747.20 3708.67 123526.12 21:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:50:01 8810632 11877348 4085528 24.95 108352 3124044 4313388 24.76 476000 6746400 2668 22:00:07 7858420 11693860 4264064 26.04 129764 3829184 4459232 25.60 704792 7420864 265456 Average: 8334526 11785604 4174796 25.50 119058 3476614 4386310 25.18 590396 7083632 134062 21:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:50:01 lo 0.85 0.85 0.40 0.40 0.00 0.00 0.00 0.00 21:50:01 ens3 125.84 98.15 960.28 16.42 0.00 0.00 0.00 0.00 21:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:07 lo 510.62 510.62 486.00 486.00 0.00 0.00 0.00 0.00 22:00:07 ens3 61.28 48.73 478.20 7.81 0.00 0.00 0.00 0.00 22:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 256.59 256.59 244.01 244.01 0.00 0.00 0.00 0.00 Average: ens3 93.45 73.36 718.43 12.10 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-7679) 09/12/26 _x86_64_ (4 CPU) 21:39:31 LINUX RESTART (4 CPU) 21:40:00 CPU %user %nice %system %iowait %steal %idle 21:50:01 all 48.16 0.00 1.30 0.39 0.03 50.12 21:50:01 0 45.71 0.00 1.35 0.76 0.03 52.15 21:50:01 1 47.14 0.00 1.50 0.19 0.03 51.13 21:50:01 2 48.34 0.00 1.23 0.13 0.04 50.26 21:50:01 3 51.45 0.00 1.10 0.49 0.03 46.94 22:00:07 all 52.38 0.00 1.43 0.09 0.03 46.07 22:00:07 0 50.86 0.00 1.36 0.04 0.03 47.71 22:00:07 1 44.43 0.00 1.42 0.03 0.02 54.09 22:00:07 2 68.15 0.00 1.53 0.08 0.04 30.20 22:00:07 3 46.10 0.00 1.40 0.21 0.02 52.28 Average: all 50.28 0.00 1.36 0.24 0.03 48.09 Average: 0 48.30 0.00 1.35 0.40 0.03 49.92 Average: 1 45.78 0.00 1.46 0.11 0.03 52.62 Average: 2 58.28 0.00 1.38 0.10 0.04 40.19 Average: 3 48.76 0.00 1.25 0.35 0.02 49.62