---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4751 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 644 10442 4 4902 15001 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:29:be:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82550sec preferred_lft 82550sec inet6 fe80::f816:3eff:fe29:be78/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:c8:bf:db:8c:4a 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-4751) 03/18/26 _x86_64_ (4 CPU) 10:36:12 LINUX RESTART (4 CPU) 10:40:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:19 3.42 0.07 3.16 0.18 3.27 235.86 449.06 11:00:17 13.73 11.92 1.80 0.01 132.70 32.91 217.17 11:10:07 14.60 0.01 1.63 12.97 0.16 18.35 246906.36 11:20:41 48.51 3.99 43.86 0.66 237.88 3807.62 684.02 11:30:27 3.34 0.06 3.16 0.12 6.82 500.86 425.85 Average: 17.11 3.23 11.14 2.74 78.35 955.06 48677.24 10:40:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:19 13727004 15520004 496180 3.03 56632 1962592 1137592 6.53 201848 2194328 252 11:00:17 13667272 15509964 498588 3.05 59732 2002120 1137592 6.53 239812 2199764 220 11:10:07 13661980 15510388 498164 3.04 60620 2006924 1137656 6.53 245516 2199944 204 11:20:41 10991576 13986648 1975536 12.07 115516 3036024 2589732 14.87 524168 4514820 6984 11:30:27 9467552 12593932 3367428 20.57 119796 3152992 3532876 20.28 552444 5985248 316 Average: 12303077 14624187 1367179 8.35 82459 2432130 1907090 10.95 352758 3418821 1595 10:40:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:19 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 10:50:19 ens3 3.85 1.91 81.92 0.17 0.00 0.00 0.00 0.00 10:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:17 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:00:17 ens3 0.37 0.12 0.07 0.04 0.00 0.00 0.00 0.00 11:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:07 lo 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 11:10:07 ens3 0.42 0.11 0.09 0.05 0.00 0.00 0.00 0.00 11:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:41 lo 0.46 0.46 0.05 0.05 0.00 0.00 0.00 0.00 11:20:41 ens3 80.55 62.29 837.79 11.18 0.00 0.00 0.00 0.00 11:20:41 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:27 lo 0.57 0.57 0.38 0.38 0.00 0.00 0.00 0.00 11:30:27 ens3 8.03 6.39 36.56 1.90 0.00 0.00 0.00 0.00 11:30:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.27 0.27 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 19.42 14.76 199.65 2.77 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-4751) 03/18/26 _x86_64_ (4 CPU) 10:36:12 LINUX RESTART (4 CPU) 10:40:13 CPU %user %nice %system %iowait %steal %idle 10:50:19 all 0.25 0.00 0.07 0.04 0.02 99.64 10:50:19 0 0.13 0.00 0.08 0.03 0.01 99.76 10:50:19 1 0.07 0.00 0.05 0.01 0.01 99.86 10:50:19 2 0.14 0.00 0.06 0.01 0.01 99.78 10:50:19 3 0.64 0.00 0.07 0.11 0.03 99.15 11:00:17 all 0.08 0.07 0.05 0.06 0.01 99.73 11:00:17 0 0.01 0.00 0.02 0.04 0.01 99.93 11:00:17 1 0.04 0.29 0.10 0.19 0.01 99.37 11:00:17 2 0.04 0.00 0.04 0.00 0.01 99.91 11:00:17 3 0.23 0.00 0.03 0.00 0.02 99.72 11:10:07 all 0.05 0.00 0.03 0.03 0.01 99.88 11:10:07 0 0.11 0.00 0.03 0.04 0.02 99.81 11:10:07 1 0.03 0.00 0.04 0.00 0.01 99.92 11:10:07 2 0.03 0.00 0.04 0.07 0.01 99.84 11:10:07 3 0.02 0.00 0.02 0.01 0.01 99.95 11:20:41 all 33.35 0.00 0.94 2.48 0.19 63.04 11:20:41 0 30.99 0.00 0.74 3.42 0.16 64.70 11:20:41 1 37.46 0.00 0.98 3.77 0.22 57.57 11:20:41 2 29.99 0.00 0.96 1.17 0.29 67.58 11:20:41 3 34.95 0.00 1.08 1.57 0.11 62.29 11:30:27 all 49.13 0.00 0.60 0.15 0.10 50.01 11:30:27 0 58.96 0.00 0.65 0.04 0.11 40.24 11:30:27 1 36.01 0.00 0.61 0.36 0.09 62.93 11:30:27 2 60.18 0.00 0.64 0.04 0.11 39.03 11:30:27 3 41.35 0.00 0.51 0.18 0.08 57.88 Average: all 16.63 0.01 0.34 0.58 0.07 82.37 Average: 0 18.04 0.00 0.31 0.75 0.06 80.85 Average: 1 14.89 0.06 0.36 0.90 0.07 83.72 Average: 2 18.04 0.00 0.35 0.27 0.09 81.25 Average: 3 15.55 0.00 0.35 0.39 0.05 83.66