---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-825 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: 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: 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 11G 67G 14% / 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 657 10411 4 4920 14988 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:5e:b4:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84764sec preferred_lft 84764sec inet6 fe80::f816:3eff:fe5e:b496/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:cd:2a:67:c4:14 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-825) 09/06/26 _x86_64_ (4 CPU) 09:54:29 LINUX RESTART (4 CPU) 10:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:04 3.82 0.07 3.55 0.19 8.12 631.71 20.75 10:20:01 19.26 0.53 17.21 1.52 20.65 2496.37 11266.69 Average: 11.51 0.30 10.36 0.85 14.36 1560.47 5622.17 10:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:04 10385816 13537852 2424396 14.81 115680 3191180 2774892 15.93 505044 5127992 22228 10:20:01 10766624 15435424 520716 3.18 136412 4627312 1080984 6.20 865620 4294100 1041604 Average: 10576220 14486638 1472556 8.99 126046 3909246 1927938 11.07 685332 4711046 531916 10:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:04 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 10:10:04 ens3 10.05 8.45 45.88 2.23 0.00 0.00 0.00 0.00 10:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 654.78 654.78 624.19 624.19 0.00 0.00 0.00 0.00 10:20:01 ens3 70.26 53.35 514.10 7.26 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 326.43 326.43 311.08 311.08 0.00 0.00 0.00 0.00 Average: ens3 40.04 30.81 279.09 4.73 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-825) 09/06/26 _x86_64_ (4 CPU) 09:54:29 LINUX RESTART (4 CPU) 10:00:03 CPU %user %nice %system %iowait %steal %idle 10:10:04 all 47.02 0.00 0.84 0.02 0.03 52.08 10:10:04 0 41.55 0.00 0.91 0.02 0.03 57.49 10:10:04 1 47.29 0.00 0.82 0.01 0.03 51.85 10:10:04 2 42.81 0.00 0.70 0.04 0.03 56.43 10:10:04 3 56.43 0.00 0.94 0.03 0.03 42.56 10:20:01 all 52.47 0.00 1.63 0.07 0.03 45.81 10:20:01 0 58.45 0.00 1.40 0.07 0.03 40.05 10:20:01 1 44.65 0.00 1.87 0.07 0.03 53.39 10:20:01 2 50.92 0.00 1.64 0.05 0.03 47.35 10:20:01 3 55.86 0.00 1.61 0.08 0.03 42.42 Average: all 49.73 0.00 1.23 0.04 0.03 48.96 Average: 0 49.96 0.00 1.15 0.04 0.03 48.81 Average: 1 45.98 0.00 1.34 0.04 0.03 52.62 Average: 2 46.85 0.00 1.17 0.04 0.03 51.91 Average: 3 56.15 0.00 1.28 0.05 0.03 42.49