---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6875 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 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 639 10343 4 5005 15006 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:4c:40:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84899sec preferred_lft 84899sec inet6 fe80::f816:3eff:fe4c:40a1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:52:72:dc:a7:a9 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-6875) 09/10/26 _x86_64_ (4 CPU) 20:07:30 LINUX RESTART (4 CPU) 20:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:02 6.62 0.68 5.73 0.20 39.63 1714.06 22.51 20:30:01 16.95 0.52 15.15 1.28 20.05 2278.75 11341.93 Average: 11.78 0.60 10.44 0.74 29.85 1996.23 5678.58 20:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:02 8633708 11749304 4212680 25.73 113504 3160540 4394296 25.22 498068 6890144 904 20:30:01 9638380 13344628 2613408 15.96 133536 3697760 2847544 16.34 695420 5657196 114984 Average: 9136044 12546966 3413044 20.85 123520 3429150 3620920 20.78 596744 6273670 57944 20:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:02 lo 0.65 0.65 0.38 0.38 0.00 0.00 0.00 0.00 20:20:02 ens3 19.38 15.40 104.73 3.04 0.00 0.00 0.00 0.00 20:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 521.96 521.96 497.20 497.20 0.00 0.00 0.00 0.00 20:30:01 ens3 56.28 40.70 467.66 4.91 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 261.14 261.14 248.63 248.63 0.00 0.00 0.00 0.00 Average: ens3 37.82 28.04 286.08 3.98 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-6875) 09/10/26 _x86_64_ (4 CPU) 20:07:30 LINUX RESTART (4 CPU) 20:10:02 CPU %user %nice %system %iowait %steal %idle 20:20:02 all 49.31 0.00 0.92 0.03 0.04 49.70 20:20:02 0 49.28 0.00 1.03 0.04 0.04 49.61 20:20:02 1 46.02 0.00 0.70 0.01 0.04 53.23 20:20:02 2 48.82 0.00 0.89 0.04 0.03 50.22 20:20:02 3 53.10 0.00 1.07 0.04 0.05 45.75 20:30:01 all 54.23 0.00 1.49 0.06 0.04 44.17 20:30:01 0 55.71 0.00 1.54 0.07 0.04 42.65 20:30:01 1 69.60 0.00 1.59 0.05 0.06 28.70 20:30:01 2 42.66 0.00 1.46 0.10 0.02 55.75 20:30:01 3 48.90 0.00 1.38 0.04 0.05 49.63 Average: all 51.76 0.00 1.21 0.05 0.04 46.94 Average: 0 52.50 0.00 1.28 0.06 0.04 46.13 Average: 1 57.80 0.00 1.15 0.03 0.05 40.98 Average: 2 45.75 0.00 1.17 0.07 0.03 52.98 Average: 3 51.00 0.00 1.22 0.04 0.05 47.68