---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-58882 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 10G 68G 13% / 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 699 10955 4 4334 14946 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:ed:0d:45 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82095sec preferred_lft 82095sec inet6 fe80::f816:3eff:feed:d45/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:21:05:5c:10:ef 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-58882) 09/26/26 _x86_64_ (4 CPU) 09:57:02 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:42 13.29 0.04 1.34 11.92 1.53 17.67 227070.21 10:20:42 1.20 0.01 1.20 0.00 0.05 14.55 0.00 10:30:01 1.21 0.00 1.21 0.00 0.00 14.25 0.00 10:40:42 1.17 0.00 1.17 0.00 0.00 13.59 0.01 10:50:00 39.56 4.56 34.28 0.71 272.18 4439.99 662.05 11:00:01 3.75 0.06 3.54 0.15 6.88 563.11 18.77 Average: 9.73 0.72 6.74 2.26 43.65 792.94 40537.37 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:42 13761504 15546496 472212 2.88 53868 1958996 1171108 6.72 191640 2179800 12 10:20:42 13760500 15545908 472664 2.89 54252 1959004 1171172 6.72 192020 2180752 12 10:30:01 13759492 15545324 473348 2.89 54636 1959016 1172048 6.73 192412 2181848 200 10:40:42 13746052 15532232 486256 2.97 54968 1959020 1171816 6.73 192724 2204944 8 10:50:00 10836328 13824444 2139816 13.07 106468 3055732 2529408 14.52 447752 4759940 16156 11:00:01 8524336 11655668 4307180 26.31 111720 3180892 4542852 26.08 489384 6995944 256 Average: 12398035 14608345 1391913 8.50 72652 2345443 1959734 11.25 284322 3417205 2774 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:42 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:10:42 ens3 0.30 0.16 0.11 0.05 0.00 0.00 0.00 0.00 10:10:42 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:42 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:20:42 ens3 0.21 0.08 0.04 0.02 0.00 0.00 0.00 0.00 10:20:42 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 10:30:01 ens3 0.21 0.08 0.04 0.02 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:42 lo 0.09 0.09 0.01 0.01 0.00 0.00 0.00 0.00 10:40:42 ens3 6.07 4.61 3.92 3.52 0.00 0.00 0.00 0.00 10:40:42 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:00 lo 0.42 0.42 0.04 0.04 0.00 0.00 0.00 0.00 10:50:00 ens3 118.60 93.47 989.71 17.36 0.00 0.00 0.00 0.00 10:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 0.60 0.60 0.37 0.37 0.00 0.00 0.00 0.00 11:00:01 ens3 12.32 9.66 46.22 2.85 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.23 0.23 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 21.66 16.99 161.97 3.81 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 5.15.0-190-generic (prd-ubuntu2204-docker-4c-4g-58882) 09/26/26 _x86_64_ (4 CPU) 09:57:02 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:42 all 0.26 0.00 0.03 0.03 0.00 99.67 10:10:42 0 0.77 0.00 0.07 0.09 0.00 99.07 10:10:42 1 0.04 0.00 0.02 0.00 0.00 99.94 10:10:42 2 0.19 0.00 0.03 0.04 0.00 99.74 10:10:42 3 0.03 0.00 0.02 0.00 0.00 99.94 10:20:42 all 0.23 0.00 0.02 0.01 0.00 99.74 10:20:42 0 0.01 0.00 0.02 0.03 0.00 99.94 10:20:42 1 0.03 0.00 0.02 0.00 0.00 99.94 10:20:42 2 0.86 0.00 0.03 0.00 0.00 99.10 10:20:42 3 0.02 0.00 0.02 0.01 0.00 99.96 10:30:01 all 0.27 0.00 0.03 0.01 0.00 99.69 10:30:01 0 0.00 0.00 0.02 0.02 0.00 99.96 10:30:01 1 0.02 0.00 0.03 0.01 0.00 99.93 10:30:01 2 1.02 0.00 0.04 0.00 0.00 98.93 10:30:01 3 0.02 0.00 0.02 0.03 0.00 99.93 10:40:42 all 0.14 0.00 0.04 0.01 0.00 99.81 10:40:42 0 0.24 0.00 0.03 0.01 0.00 99.72 10:40:42 1 0.02 0.00 0.03 0.01 0.00 99.93 10:40:42 2 0.20 0.00 0.03 0.00 0.00 99.76 10:40:42 3 0.10 0.00 0.05 0.02 0.00 99.83 10:50:00 all 24.93 0.00 0.93 0.35 0.01 73.78 10:50:00 0 25.74 0.00 0.85 0.08 0.02 73.32 10:50:00 1 22.41 0.00 0.99 0.40 0.01 76.18 10:50:00 2 24.23 0.00 1.03 0.54 0.02 74.19 10:50:00 3 27.34 0.00 0.84 0.38 0.02 71.42 11:00:01 all 46.06 0.00 0.83 0.03 0.03 53.05 11:00:01 0 39.13 0.00 0.85 0.04 0.02 59.96 11:00:01 1 52.16 0.00 0.94 0.01 0.04 46.85 11:00:01 2 50.23 0.00 0.75 0.02 0.04 48.96 11:00:01 3 42.69 0.00 0.80 0.04 0.02 56.45 Average: all 11.71 0.00 0.30 0.07 0.01 87.91 Average: 0 10.70 0.00 0.30 0.04 0.01 88.95 Average: 1 12.22 0.00 0.33 0.07 0.01 87.37 Average: 2 12.50 0.00 0.30 0.10 0.01 87.09 Average: 3 11.40 0.00 0.28 0.08 0.01 88.23