---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30808 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 11G 68G 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 676 10496 4 4816 14970 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:d7:9f:b4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84616sec preferred_lft 84616sec inet6 fe80::f816:3eff:fed7:9fb4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:3d:dc:a8:d8:1f 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-30808) 06/26/26 _x86_64_ (4 CPU) 09:15:52 LINUX RESTART (4 CPU) 09:20:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:02 14.83 2.01 11.90 0.92 129.47 4891.44 2412.08 09:40:14 27.70 0.87 23.47 3.36 28.61 4055.89 10190.85 Average: 21.39 1.43 17.79 2.17 78.07 4465.67 6375.92 09:20:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:02 10663880 14031924 1927932 11.78 133756 3352924 2544512 14.61 561760 4756580 29908 09:40:14 8645492 13232488 2718368 16.60 172344 4442256 3059188 17.56 878208 6364820 108824 Average: 9654686 13632206 2323150 14.19 153050 3897590 2801850 16.08 719984 5560700 69366 09:20:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:02 lo 1.24 1.24 0.12 0.12 0.00 0.00 0.00 0.00 09:30:02 ens3 99.86 80.97 622.63 19.61 0.00 0.00 0.00 0.00 09:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:14 lo 1520.54 1520.54 1449.29 1449.29 0.00 0.00 0.00 0.00 09:40:14 ens3 84.84 63.69 421.97 21.93 0.00 0.00 0.00 0.00 09:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 775.43 775.43 738.57 738.57 0.00 0.00 0.00 0.00 Average: ens3 92.20 72.17 520.38 20.79 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-30808) 06/26/26 _x86_64_ (4 CPU) 09:15:52 LINUX RESTART (4 CPU) 09:20:14 CPU %user %nice %system %iowait %steal %idle 09:30:02 all 61.49 0.00 2.00 0.19 0.11 36.22 09:30:02 0 62.63 0.00 1.96 0.42 0.11 34.89 09:30:02 1 61.51 0.00 1.94 0.06 0.11 36.38 09:30:02 2 62.14 0.00 2.15 0.22 0.11 35.38 09:30:02 3 59.67 0.00 1.93 0.05 0.11 38.23 09:40:14 all 68.95 0.00 2.78 0.05 0.14 28.07 09:40:14 0 69.37 0.00 3.05 0.07 0.12 27.39 09:40:14 1 67.64 0.00 2.46 0.05 0.20 29.65 09:40:14 2 68.54 0.00 3.03 0.05 0.12 28.26 09:40:14 3 70.25 0.00 2.60 0.04 0.12 26.98 Average: all 65.29 0.00 2.40 0.12 0.13 32.07 Average: 0 66.06 0.00 2.51 0.24 0.12 31.07 Average: 1 64.64 0.00 2.20 0.05 0.16 32.95 Average: 2 65.40 0.00 2.60 0.13 0.12 31.76 Average: 3 65.06 0.00 2.27 0.05 0.12 32.50