---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-393 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 nrip_save 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 670 8067 4 7251 14975 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:70:98:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83779sec preferred_lft 83779sec inet6 fe80::f816:3eff:fe70:98c5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:b8:d3:e1:85:14 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-393) 07/29/26 _x86_64_ (4 CPU) 19:03:45 LINUX RESTART (4 CPU) 19:10:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:24 29.54 1.10 25.37 3.07 47.15 4011.19 8983.55 19:30:21 33.23 0.01 29.82 3.40 0.13 2432.05 17894.72 19:40:05 21.93 0.03 7.07 14.83 0.49 3024.36 256212.88 Average: 28.28 0.38 20.87 7.04 16.10 3158.37 92958.89 19:10:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:24 9173276 13025744 2931076 17.90 143800 3816352 3083360 17.70 716424 6077236 12724 19:30:21 8883788 13130088 2823092 17.24 164612 4160680 2853412 16.38 826144 6227676 23860 19:40:05 5388124 10370776 5580068 34.08 171204 4863404 5294416 30.39 1048912 9458448 304 Average: 7815063 12175536 3778079 23.07 159872 4280145 3743729 21.49 863827 7254453 12296 19:10:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:24 lo 1576.36 1576.36 1496.16 1496.16 0.00 0.00 0.00 0.00 19:20:24 ens3 79.11 62.71 470.19 16.12 0.00 0.00 0.00 0.00 19:20:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:21 lo 1567.70 1567.70 1493.96 1493.96 0.00 0.00 0.00 0.00 19:30:21 ens3 41.62 31.64 21.43 10.95 0.00 0.00 0.00 0.00 19:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:05 lo 480.42 480.42 7145.80 7145.80 0.00 0.00 0.00 0.00 19:40:05 ens3 12.90 9.86 8.74 3.71 0.00 0.00 0.00 0.00 19:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1214.45 1214.45 3346.12 3346.12 0.00 0.00 0.00 0.00 Average: ens3 44.85 34.98 168.54 10.32 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-393) 07/29/26 _x86_64_ (4 CPU) 19:03:45 LINUX RESTART (4 CPU) 19:10:25 CPU %user %nice %system %iowait %steal %idle 19:20:24 all 70.32 0.00 2.55 0.25 0.12 26.76 19:20:24 0 70.49 0.00 2.27 0.08 0.12 27.04 19:20:24 1 70.68 0.00 2.22 0.14 0.12 26.84 19:20:24 2 71.75 0.00 3.16 0.60 0.12 24.37 19:20:24 3 68.35 0.00 2.57 0.20 0.12 28.77 19:30:21 all 62.59 0.00 2.44 0.22 0.09 34.66 19:30:21 0 61.85 0.00 2.39 0.35 0.09 35.32 19:30:21 1 62.12 0.00 2.25 0.08 0.10 35.45 19:30:21 2 63.34 0.00 2.61 0.32 0.09 33.64 19:30:21 3 63.04 0.00 2.51 0.13 0.09 34.23 19:40:05 all 32.38 0.00 1.07 0.11 0.09 66.36 19:40:05 0 30.09 0.00 0.95 0.04 0.08 68.82 19:40:05 1 43.52 0.00 1.23 0.15 0.09 55.01 19:40:05 2 23.65 0.00 1.05 0.07 0.09 75.14 19:40:05 3 32.24 0.00 1.02 0.17 0.08 66.48 Average: all 55.29 0.00 2.03 0.19 0.10 42.39 Average: 0 54.35 0.00 1.88 0.16 0.10 43.52 Average: 1 58.91 0.00 1.91 0.12 0.10 38.96 Average: 2 53.16 0.00 2.28 0.33 0.10 44.13 Average: 3 54.73 0.00 2.04 0.16 0.10 42.97