---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39748 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 639 10372 4 4977 15007 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:7d:b6:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83031sec preferred_lft 83031sec inet6 fe80::f816:3eff:fe7d:b6f3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:fc:c8:d2:ee:50 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-39748) 08/21/26 _x86_64_ (4 CPU) 19:38:24 LINUX RESTART (4 CPU) 19:40:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:50:16 1.64 0.03 1.60 0.01 1.06 19.85 216.71 20:00:29 14.17 0.01 1.67 12.49 0.18 19.26 237567.29 20:10:01 45.65 4.25 40.76 0.65 249.84 3591.04 1134.82 20:20:30 5.43 0.27 4.98 0.18 25.70 1173.95 43.08 20:30:19 12.18 0.53 10.85 0.80 20.05 1859.19 3286.35 Average: 15.44 0.98 11.60 2.87 57.18 1302.35 49402.80 19:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:50:16 13764664 15541052 478296 2.92 53672 1949680 1135804 6.52 192764 2181200 156 20:00:29 13757884 15540040 479124 2.93 54600 1954464 1135868 6.52 198508 2183716 204 20:10:01 11708312 14625816 1339384 8.18 109604 2980108 1755944 10.08 404064 3922620 170544 20:20:30 8728768 11835660 4127616 25.21 116116 3148160 4297908 24.67 502356 6794508 352 20:30:19 9620408 13280296 2679012 16.36 134744 3650136 2892328 16.60 687628 5687216 122984 Average: 11516007 14164573 1820686 11.12 93747 2736510 2243570 12.88 397064 4153852 58848 19:40:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:50:16 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 19:50:16 ens3 0.60 0.23 0.25 0.06 0.00 0.00 0.00 0.00 19:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:29 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 20:00:29 ens3 0.30 0.13 0.08 0.04 0.00 0.00 0.00 0.00 20:00:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 20:10:01 ens3 89.67 69.70 906.89 12.15 0.00 0.00 0.00 0.00 20:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:30 lo 0.61 0.61 0.36 0.36 0.00 0.00 0.00 0.00 20:20:30 ens3 14.14 11.31 78.49 2.70 0.00 0.00 0.00 0.00 20:20:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:19 lo 352.43 352.43 335.27 335.27 0.00 0.00 0.00 0.00 20:30:19 ens3 37.05 26.98 440.79 3.66 0.00 0.00 0.00 0.00 20:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 69.31 69.31 65.80 65.80 0.00 0.00 0.00 0.00 Average: ens3 27.49 21.01 275.73 3.62 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-39748) 08/21/26 _x86_64_ (4 CPU) 19:38:24 LINUX RESTART (4 CPU) 19:40:15 CPU %user %nice %system %iowait %steal %idle 19:50:16 all 0.12 0.00 0.03 0.01 0.02 99.82 19:50:16 0 0.05 0.00 0.02 0.04 0.01 99.88 19:50:16 1 0.11 0.00 0.05 0.01 0.04 99.80 19:50:16 2 0.27 0.00 0.04 0.00 0.02 99.67 19:50:16 3 0.03 0.00 0.04 0.00 0.01 99.92 20:00:29 all 0.08 0.00 0.03 0.07 0.02 99.80 20:00:29 0 0.04 0.00 0.05 0.05 0.03 99.83 20:00:29 1 0.03 0.00 0.02 0.11 0.02 99.82 20:00:29 2 0.20 0.00 0.02 0.04 0.01 99.72 20:00:29 3 0.03 0.00 0.04 0.10 0.01 99.82 20:10:01 all 9.90 0.00 0.66 0.30 0.04 89.11 20:10:01 0 8.87 0.00 0.52 0.39 0.04 90.19 20:10:01 1 8.40 0.00 0.63 0.21 0.04 90.72 20:10:01 2 12.13 0.00 0.75 0.44 0.03 86.64 20:10:01 3 10.19 0.00 0.73 0.15 0.03 88.90 20:20:30 all 50.26 0.00 0.75 0.04 0.08 48.87 20:20:30 0 41.61 0.00 0.76 0.05 0.08 57.50 20:20:30 1 50.76 0.00 0.78 0.04 0.08 48.33 20:20:30 2 62.91 0.00 0.76 0.05 0.09 36.20 20:20:30 3 45.81 0.00 0.69 0.03 0.08 53.39 20:30:19 all 52.67 0.00 1.05 0.04 0.08 46.16 20:30:19 0 43.05 0.00 0.96 0.04 0.09 55.86 20:30:19 1 73.48 0.00 0.92 0.02 0.08 25.48 20:30:19 2 52.89 0.00 1.31 0.05 0.08 45.67 20:30:19 3 41.24 0.00 1.01 0.04 0.07 57.63 Average: all 22.78 0.00 0.50 0.09 0.05 76.58 Average: 0 18.87 0.00 0.46 0.11 0.05 80.51 Average: 1 26.66 0.00 0.48 0.08 0.05 72.73 Average: 2 25.96 0.00 0.57 0.11 0.05 73.31 Average: 3 19.63 0.00 0.50 0.06 0.04 79.77