---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-846 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 622 8198 4 7168 15023 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:6b:e6:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.201/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83745sec preferred_lft 83745sec inet6 fe80::f816:3eff:fe6b:e69d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:ae:c1:84:9d:f0 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-846) 09/06/26 _x86_64_ (4 CPU) 19:01:37 LINUX RESTART (4 CPU) 19:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:17 21.93 0.08 19.27 2.58 6.54 2149.69 3514.03 19:30:01 35.34 0.02 31.55 3.77 0.53 2585.34 15652.44 19:40:17 5.31 0.02 5.00 0.28 0.45 2870.57 3042.54 Average: 20.60 0.04 18.38 2.18 2.54 2535.26 7269.25 19:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:17 9459416 13232744 2723968 16.64 147264 3736396 2802256 16.08 766652 5709180 26204 19:30:01 8885124 13073688 2879996 17.59 172820 4097152 2950388 16.94 888356 6154484 32160 19:40:17 7555292 13028652 2920916 17.84 178388 5331092 2986800 17.14 1264904 7053420 553312 Average: 8633277 13111695 2841627 17.36 166157 4388213 2913148 16.72 973304 6305695 203892 19:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:17 lo 1437.99 1437.99 1364.33 1364.33 0.00 0.00 0.00 0.00 19:20:17 ens3 33.68 27.48 51.35 11.64 0.00 0.00 0.00 0.00 19:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1589.24 1589.24 1514.70 1514.70 0.00 0.00 0.00 0.00 19:30:01 ens3 28.27 22.77 22.39 11.95 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:17 lo 2486.18 2486.18 9058.58 9058.58 0.00 0.00 0.00 0.00 19:40:17 ens3 18.24 15.02 83.42 4.30 0.00 0.00 0.00 0.00 19:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1843.07 1843.07 4028.19 4028.19 0.00 0.00 0.00 0.00 Average: ens3 26.69 21.72 52.91 9.24 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-846) 09/06/26 _x86_64_ (4 CPU) 19:01:37 LINUX RESTART (4 CPU) 19:10:05 CPU %user %nice %system %iowait %steal %idle 19:20:17 all 64.80 0.00 2.59 0.06 0.03 32.52 19:20:17 0 63.48 0.00 2.35 0.07 0.03 34.07 19:20:17 1 65.34 0.00 2.63 0.08 0.03 31.93 19:20:17 2 64.70 0.00 2.53 0.03 0.03 32.71 19:20:17 3 65.70 0.00 2.84 0.06 0.03 31.38 19:30:01 all 61.04 0.00 2.80 0.10 0.02 36.05 19:30:01 0 59.40 0.00 2.94 0.05 0.02 37.59 19:30:01 1 61.66 0.00 2.93 0.13 0.02 35.25 19:30:01 2 61.43 0.00 2.58 0.08 0.02 35.88 19:30:01 3 61.67 0.00 2.74 0.12 0.02 35.46 19:40:17 all 31.88 0.00 1.34 0.04 0.01 66.73 19:40:17 0 33.47 0.00 0.95 0.01 0.01 65.56 19:40:17 1 29.56 0.00 1.38 0.09 0.01 68.97 19:40:17 2 36.15 0.00 1.65 0.03 0.01 62.14 19:40:17 3 28.32 0.00 1.38 0.04 0.02 70.24 Average: all 52.38 0.00 2.23 0.07 0.02 45.30 Average: 0 51.95 0.00 2.06 0.04 0.02 45.92 Average: 1 51.97 0.00 2.30 0.10 0.02 45.62 Average: 2 53.93 0.00 2.25 0.05 0.02 43.74 Average: 3 51.68 0.00 2.31 0.07 0.02 45.92