---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6827 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 12G 67G 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 701 9543 4 5744 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:d6:3c:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84205sec preferred_lft 84205sec inet6 fe80::f816:3eff:fed6:3c4d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:86:02:25:cf:d9 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-6827) 04/22/26 _x86_64_ (4 CPU) 20:24:18 LINUX RESTART (4 CPU) 20:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:10 33.73 0.43 28.19 5.11 13.80 4501.38 17961.04 20:50:10 49.70 0.00 39.90 9.79 0.00 2894.33 23666.10 21:00:00 18.28 0.31 15.30 2.67 12.38 3996.92 5476.47 Average: 33.99 0.24 27.87 5.88 8.71 3796.49 15760.44 20:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:10 9246984 13417620 2535184 15.48 184596 4041376 2905196 16.68 761276 5912600 95588 20:50:10 8720452 13357660 2590768 15.82 217812 4428356 2929872 16.82 875444 6260684 112936 21:00:00 9836072 15353364 591900 3.62 243328 5243612 1138672 6.54 1210148 4763304 14800 Average: 9267836 14042881 1905951 11.64 215245 4571115 2324580 13.34 948956 5645529 74441 20:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:10 lo 2111.16 2111.16 2013.02 2013.02 0.00 0.00 0.00 0.00 20:40:10 ens3 85.65 65.09 323.20 19.35 0.00 0.00 0.00 0.00 20:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:10 lo 5011.90 5011.90 4778.22 4778.22 0.00 0.00 0.00 0.00 20:50:10 ens3 89.01 63.35 26.61 22.15 0.00 0.00 0.00 0.00 20:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:00 lo 982.44 982.44 914.79 914.79 0.00 0.00 0.00 0.00 21:00:00 ens3 144.28 151.80 160.21 609.83 0.00 0.00 0.00 0.00 21:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2711.66 2711.66 2578.13 2578.13 0.00 0.00 0.00 0.00 Average: ens3 106.09 93.07 170.09 214.82 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-6827) 04/22/26 _x86_64_ (4 CPU) 20:24:18 LINUX RESTART (4 CPU) 20:30:09 CPU %user %nice %system %iowait %steal %idle 20:40:10 all 65.78 0.00 3.09 0.06 0.10 30.97 20:40:10 0 65.57 0.00 2.98 0.06 0.10 31.29 20:40:10 1 65.68 0.00 3.01 0.04 0.10 31.17 20:40:10 2 65.22 0.00 3.33 0.07 0.10 31.27 20:40:10 3 66.64 0.00 3.02 0.07 0.10 30.17 20:50:10 all 62.96 0.00 4.04 0.08 0.09 32.83 20:50:10 0 63.48 0.00 3.68 0.07 0.09 32.68 20:50:10 1 60.82 0.00 4.17 0.08 0.09 34.84 20:50:10 2 62.95 0.00 3.95 0.12 0.09 32.89 20:50:10 3 64.60 0.00 4.34 0.06 0.09 30.92 21:00:00 all 34.10 0.00 1.62 0.07 0.07 64.14 21:00:00 0 30.96 0.00 1.41 0.11 0.07 67.45 21:00:00 1 38.38 0.00 1.83 0.03 0.07 59.68 21:00:00 2 34.27 0.00 1.76 0.03 0.07 63.87 21:00:00 3 32.77 0.00 1.49 0.10 0.08 65.56 Average: all 54.38 0.00 2.92 0.07 0.09 42.55 Average: 0 53.46 0.00 2.70 0.08 0.09 43.68 Average: 1 55.03 0.00 3.01 0.05 0.09 41.82 Average: 2 54.23 0.00 3.02 0.08 0.09 42.58 Average: 3 54.78 0.00 2.96 0.08 0.09 42.10