---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9056 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 66G 16% / 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 662 8589 4 6736 14983 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:85:1d:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84166sec preferred_lft 84166sec inet6 fe80::f816:3eff:fe85:1dc0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:10:bf:7d:f6:bc 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-9056) 09/17/26 _x86_64_ (4 CPU) 13:57:49 LINUX RESTART (4 CPU) 14:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:10:18 31.06 2.82 25.26 2.98 158.23 4656.85 5670.42 14:20:19 33.45 0.03 30.00 3.42 0.69 2591.56 15080.11 14:30:22 19.48 0.03 5.55 13.90 0.66 3156.60 237029.32 Average: 28.01 0.97 20.30 6.74 53.88 3476.21 85462.96 14:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:10:18 8423980 12128608 3828616 23.38 138056 3681580 3856404 22.14 688744 6864832 3356 14:20:19 8524772 12697652 3255792 19.89 163884 4089052 3570052 20.49 817200 6589036 42360 14:30:22 6596872 12712880 3234264 19.75 175072 5958524 3224188 18.51 1520152 7742632 1127704 Average: 7848541 12513047 3439557 21.01 159004 4576385 3550215 20.38 1008699 7065500 391140 14:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:10:18 lo 1510.00 1510.00 1433.52 1433.52 0.00 0.00 0.00 0.00 14:10:18 ens3 150.41 105.42 832.96 21.26 0.00 0.00 0.00 0.00 14:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:19 lo 1587.47 1587.47 1512.76 1512.76 0.00 0.00 0.00 0.00 14:20:19 ens3 45.33 32.71 35.35 19.28 0.00 0.00 0.00 0.00 14:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:22 lo 2535.54 2535.54 9260.05 9260.05 0.00 0.00 0.00 0.00 14:30:22 ens3 20.44 17.30 95.05 4.57 0.00 0.00 0.00 0.00 14:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1875.53 1875.53 4053.67 4053.67 0.00 0.00 0.00 0.00 Average: ens3 72.56 52.15 324.46 15.07 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-9056) 09/17/26 _x86_64_ (4 CPU) 13:57:49 LINUX RESTART (4 CPU) 14:00:04 CPU %user %nice %system %iowait %steal %idle 14:10:18 all 67.73 0.00 2.80 0.12 0.05 29.30 14:10:18 0 68.73 0.00 2.60 0.10 0.05 28.52 14:10:18 1 67.97 0.00 2.98 0.09 0.05 28.91 14:10:18 2 67.54 0.00 2.87 0.19 0.05 29.35 14:10:18 3 66.67 0.00 2.77 0.09 0.04 30.44 14:20:19 all 64.04 0.00 2.82 0.09 0.05 33.00 14:20:19 0 62.22 0.00 2.50 0.07 0.05 35.16 14:20:19 1 64.20 0.00 2.73 0.14 0.05 32.88 14:20:19 2 64.79 0.00 3.19 0.05 0.05 31.93 14:20:19 3 64.97 0.00 2.87 0.09 0.06 32.01 14:30:22 all 31.08 0.00 1.34 0.07 0.03 67.47 14:30:22 0 32.61 0.00 1.45 0.06 0.04 65.84 14:30:22 1 34.47 0.00 1.34 0.09 0.03 64.06 14:30:22 2 31.50 0.00 1.54 0.08 0.04 66.84 14:30:22 3 25.75 0.00 1.03 0.05 0.02 73.15 Average: all 54.36 0.00 2.33 0.09 0.04 43.18 Average: 0 54.61 0.00 2.19 0.08 0.05 43.08 Average: 1 55.61 0.00 2.36 0.11 0.04 41.88 Average: 2 54.68 0.00 2.54 0.11 0.04 42.63 Average: 3 52.53 0.00 2.23 0.08 0.04 45.13