---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26266 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: 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 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 12G 66G 15% / 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 756 8915 4 6317 14890 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:09:c5:f7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83983sec preferred_lft 83983sec inet6 fe80::f816:3eff:fe09:c5f7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:5f:0c:3b:76:9f 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-26266) 06/09/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:02 19.50 0.77 17.13 1.60 23.68 4674.85 2025.72 20:50:02 55.50 0.00 44.37 11.13 0.00 2631.05 20970.40 21:00:02 27.94 0.29 23.06 4.59 11.65 4621.08 6715.71 Average: 34.30 0.35 28.18 5.77 11.79 3976.16 9898.33 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:02 8917872 13566660 2383400 14.56 190796 4503948 2681428 15.39 975884 5995712 5964 20:50:02 8058196 13153620 2792760 17.06 217960 4885856 3074016 17.64 1075688 6718788 129452 21:00:02 9282228 15383732 558768 3.41 248852 5807060 1113652 6.39 1435764 5063968 252 Average: 8752765 14034671 1911643 11.68 219203 5065621 2289699 13.14 1162445 5926156 45223 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:02 lo 434.01 434.01 412.99 412.99 0.00 0.00 0.00 0.00 20:40:02 ens3 92.39 68.30 330.72 19.23 0.00 0.00 0.00 0.00 20:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:02 lo 6006.76 6006.76 5729.46 5729.46 0.00 0.00 0.00 0.00 20:50:02 ens3 78.58 57.28 26.44 19.69 0.00 0.00 0.00 0.00 20:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:02 lo 2109.81 2109.81 2000.78 2000.78 0.00 0.00 0.00 0.00 21:00:02 ens3 98.67 85.70 109.34 126.85 0.00 0.00 0.00 0.00 21:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2848.47 2848.47 2712.77 2712.77 0.00 0.00 0.00 0.00 Average: ens3 89.88 70.43 155.62 55.23 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-26266) 06/09/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:02 all 69.27 0.00 2.47 0.04 0.10 28.12 20:40:02 0 68.44 0.00 2.21 0.03 0.10 29.23 20:40:02 1 70.72 0.00 2.35 0.05 0.10 26.79 20:40:02 2 70.20 0.00 2.97 0.05 0.10 26.69 20:40:02 3 67.71 0.00 2.37 0.05 0.10 29.77 20:50:02 all 61.78 0.00 4.20 0.18 0.10 33.74 20:50:02 0 60.81 0.00 4.13 0.09 0.10 34.88 20:50:02 1 61.84 0.00 4.41 0.14 0.10 33.52 20:50:02 2 62.06 0.00 4.27 0.09 0.10 33.48 20:50:02 3 62.43 0.00 4.02 0.40 0.09 33.06 21:00:02 all 42.88 0.00 2.38 0.08 0.08 54.58 21:00:02 0 43.44 0.00 2.53 0.10 0.08 53.85 21:00:02 1 42.23 0.00 2.21 0.03 0.08 55.45 21:00:02 2 41.06 0.00 2.21 0.08 0.07 56.57 21:00:02 3 44.77 0.00 2.58 0.11 0.08 52.46 Average: all 57.98 0.00 3.02 0.10 0.09 38.81 Average: 0 57.56 0.00 2.96 0.07 0.09 39.32 Average: 1 58.26 0.00 2.99 0.07 0.09 38.59 Average: 2 57.78 0.00 3.15 0.07 0.09 38.91 Average: 3 58.31 0.00 2.99 0.18 0.09 38.43