---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3179 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 620 10445 4 4923 15025 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:d8:3e:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84785sec preferred_lft 84785sec inet6 fe80::f816:3eff:fed8:3e7b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:5b:2f:ae:9e:69 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-3179) 09/08/26 _x86_64_ (4 CPU) 15:28:23 LINUX RESTART (4 CPU) 15:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:28 22.59 2.82 18.18 1.59 163.06 4877.37 1812.31 15:50:29 24.79 0.69 20.56 3.54 21.44 4077.21 12440.27 Average: 23.67 1.78 19.35 2.54 93.72 4485.61 7015.71 15:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:28 10097696 13566556 2390772 14.60 135060 3452304 2799236 16.07 568860 5320056 25080 15:50:29 8317808 12886712 3062364 18.70 167496 4441600 3601996 20.68 865600 6705040 13364 Average: 9207752 13226634 2726568 16.65 151278 3946952 3200616 18.37 717230 6012548 19222 15:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:28 lo 1.31 1.31 0.13 0.13 0.00 0.00 0.00 0.00 15:40:28 ens3 167.42 116.27 793.74 20.14 0.00 0.00 0.00 0.00 15:40:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:29 lo 1587.27 1587.27 1513.18 1513.18 0.00 0.00 0.00 0.00 15:50:29 ens3 82.59 65.25 445.05 13.96 0.00 0.00 0.00 0.00 15:50:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 777.79 777.79 740.91 740.91 0.00 0.00 0.00 0.00 Average: ens3 125.89 91.29 623.02 17.11 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-3179) 09/08/26 _x86_64_ (4 CPU) 15:28:23 LINUX RESTART (4 CPU) 15:30:01 CPU %user %nice %system %iowait %steal %idle 15:40:28 all 56.80 0.00 2.25 0.16 0.06 40.74 15:40:28 0 55.37 0.00 2.16 0.06 0.06 42.34 15:40:28 1 55.92 0.00 2.59 0.11 0.05 41.32 15:40:28 2 56.26 0.00 2.17 0.35 0.05 41.17 15:40:28 3 59.63 0.00 2.09 0.11 0.06 38.11 15:50:29 all 59.82 0.00 2.76 0.15 0.06 37.21 15:50:29 0 59.58 0.00 3.09 0.22 0.07 37.04 15:50:29 1 59.95 0.00 2.65 0.12 0.06 37.22 15:50:29 2 60.67 0.00 2.70 0.07 0.07 36.50 15:50:29 3 59.07 0.00 2.59 0.20 0.05 38.09 Average: all 58.27 0.00 2.50 0.15 0.06 39.01 Average: 0 57.43 0.00 2.62 0.14 0.07 39.75 Average: 1 57.89 0.00 2.62 0.12 0.06 39.31 Average: 2 58.42 0.00 2.43 0.21 0.06 38.88 Average: 3 59.36 0.00 2.33 0.15 0.05 38.10