---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22801 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 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 701 10391 4 4896 14945 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:42:e3:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.20/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84448sec preferred_lft 84448sec inet6 fe80::f816:3eff:fe42:e3f4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:8b:09:dc:a0:96 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-22801) 06/02/26 _x86_64_ (4 CPU) 19:58:48 LINUX RESTART (4 CPU) 20:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:10:25 18.27 2.83 14.46 0.98 160.21 3753.83 1385.97 20:20:01 10.75 0.51 9.11 1.12 19.39 2166.94 3052.14 20:30:22 39.89 0.67 21.37 17.85 22.35 3359.92 229410.75 Average: 23.29 1.35 15.13 6.81 68.22 3114.70 80081.06 20:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:10:25 11028924 14237644 1723452 10.53 122568 3228640 2373676 13.62 540348 4435332 57492 20:20:01 9476540 13481720 2472320 15.10 155908 3915772 2677204 15.37 732532 5702416 233812 20:30:22 10805576 15460208 489644 2.99 176548 4509024 989400 5.68 931716 4117244 8 Average: 10437013 14393191 1561805 9.54 151675 3884479 2013427 11.56 734865 4751664 97104 20:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:10:25 lo 0.70 0.70 0.07 0.07 0.00 0.00 0.00 0.00 20:10:25 ens3 86.03 67.87 855.98 12.83 0.00 0.00 0.00 0.00 20:10:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:01 lo 1.45 1.45 0.14 0.14 0.00 0.00 0.00 0.00 20:20:01 ens3 69.03 53.55 118.56 18.71 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:22 lo 1509.88 1509.88 1426.52 1426.52 0.00 0.00 0.00 0.00 20:30:22 ens3 96.83 88.72 336.22 152.56 0.00 0.00 0.00 0.00 20:30:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 518.28 518.28 489.07 489.07 0.00 0.00 0.00 0.00 Average: ens3 84.33 70.47 443.56 62.60 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-22801) 06/02/26 _x86_64_ (4 CPU) 19:58:48 LINUX RESTART (4 CPU) 20:00:09 CPU %user %nice %system %iowait %steal %idle 20:10:25 all 29.40 0.00 1.07 0.15 0.05 69.33 20:10:25 0 29.28 0.00 1.05 0.04 0.05 69.57 20:10:25 1 28.63 0.00 1.14 0.38 0.06 69.79 20:10:25 2 28.90 0.00 1.10 0.08 0.06 69.86 20:10:25 3 30.78 0.00 1.00 0.07 0.06 68.09 20:20:01 all 71.66 0.00 2.29 0.03 0.10 25.93 20:20:01 0 71.43 0.00 2.51 0.02 0.10 25.94 20:20:01 1 71.97 0.00 2.24 0.04 0.10 25.66 20:20:01 2 73.29 0.00 2.15 0.02 0.10 24.43 20:20:01 3 69.94 0.00 2.25 0.03 0.10 27.68 20:30:22 all 34.00 0.00 1.78 0.08 0.07 64.07 20:30:22 0 30.40 0.00 1.61 0.05 0.07 67.86 20:30:22 1 37.99 0.00 1.95 0.06 0.08 59.92 20:30:22 2 34.45 0.00 1.95 0.16 0.08 63.36 20:30:22 3 33.15 0.00 1.60 0.05 0.06 65.13 Average: all 44.39 0.00 1.70 0.09 0.08 53.75 Average: 0 43.04 0.00 1.70 0.04 0.07 55.15 Average: 1 45.60 0.00 1.77 0.16 0.08 52.39 Average: 2 44.91 0.00 1.72 0.09 0.08 53.19 Average: 3 44.02 0.00 1.60 0.05 0.07 54.25