---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-62268 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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 9.6G 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 612 11398 4 3978 15033 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:b3:3c:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.169/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82411sec preferred_lft 82411sec inet6 fe80::f816:3eff:feb3:3ce2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:ff:16:c8:54:f9 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-62268) 10/05/26 _x86_64_ (4 CPU) 17:33:13 LINUX RESTART (4 CPU) 17:40:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:50:26 1.23 0.01 1.22 0.01 0.04 15.32 0.60 18:00:35 1.11 0.00 1.11 0.00 0.00 12.97 0.00 18:10:35 14.21 0.00 1.30 12.90 0.15 14.52 242514.60 18:20:35 1.27 0.00 1.27 0.00 0.01 14.36 0.00 18:30:35 87.84 4.91 74.86 8.07 483.57 6498.13 122184.44 Average: 21.08 0.98 15.91 4.18 96.49 1307.44 72736.75 17:40:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:50:26 13637956 15518376 497984 3.04 58448 2048864 1161360 6.67 215088 2263908 8 18:00:35 13636360 15517220 499188 3.05 58880 2048872 1161368 6.67 215516 2264948 4 18:10:35 13631336 15517620 498728 3.05 59540 2053580 1161368 6.67 220980 2265948 4 18:20:35 13629332 15516204 500136 3.05 59936 2053784 1161368 6.67 221356 2266784 4 18:30:35 9308108 12935320 3022424 18.46 156032 3601196 3300836 18.95 743604 5926276 2004 Average: 12768618 15000948 1003692 6.13 78567 2361259 1589260 9.12 323309 2997573 405 17:40:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:50:26 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:50:26 ens3 0.34 0.08 0.05 0.02 0.00 0.00 0.00 0.00 17:50:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:35 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:00:35 ens3 0.32 0.08 0.04 0.02 0.00 0.00 0.00 0.00 18:00:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:35 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:10:35 ens3 0.32 0.10 0.06 0.04 0.00 0.00 0.00 0.00 18:10:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:35 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:20:35 ens3 0.31 0.07 0.04 0.02 0.00 0.00 0.00 0.00 18:20:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:35 lo 15.37 15.37 3.27 3.27 0.00 0.00 0.00 0.00 18:30:35 ens3 144.73 112.34 1000.57 19.55 0.00 0.00 0.00 0.00 18:30:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.14 3.14 0.66 0.66 0.00 0.00 0.00 0.00 Average: ens3 29.12 22.47 199.59 3.92 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-62268) 10/05/26 _x86_64_ (4 CPU) 17:33:13 LINUX RESTART (4 CPU) 17:40:26 CPU %user %nice %system %iowait %steal %idle 17:50:26 all 0.17 0.00 0.02 0.01 0.00 99.80 17:50:26 0 0.01 0.00 0.01 0.03 0.00 99.94 17:50:26 1 0.21 0.00 0.03 0.00 0.00 99.76 17:50:26 2 0.43 0.00 0.02 0.01 0.00 99.54 17:50:26 3 0.01 0.00 0.02 0.00 0.00 99.96 18:00:35 all 0.15 0.00 0.03 0.02 0.00 99.80 18:00:35 0 0.52 0.00 0.04 0.04 0.00 99.40 18:00:35 1 0.03 0.00 0.03 0.00 0.00 99.94 18:00:35 2 0.01 0.00 0.02 0.03 0.00 99.93 18:00:35 3 0.03 0.00 0.02 0.01 0.00 99.94 18:10:35 all 0.09 0.00 0.03 0.05 0.00 99.83 18:10:35 0 0.31 0.00 0.01 0.02 0.00 99.66 18:10:35 1 0.03 0.00 0.04 0.03 0.00 99.90 18:10:35 2 0.03 0.00 0.02 0.00 0.00 99.95 18:10:35 3 0.02 0.00 0.04 0.15 0.00 99.79 18:20:35 all 0.15 0.00 0.02 0.01 0.00 99.81 18:20:35 0 0.35 0.00 0.03 0.02 0.00 99.60 18:20:35 1 0.02 0.00 0.01 0.01 0.00 99.96 18:20:35 2 0.02 0.00 0.03 0.02 0.00 99.93 18:20:35 3 0.22 0.00 0.02 0.01 0.00 99.75 18:30:35 all 35.94 0.00 1.86 0.88 0.01 61.30 18:30:35 0 34.66 0.00 2.00 1.04 0.01 62.29 18:30:35 1 35.74 0.00 1.64 0.36 0.01 62.25 18:30:35 2 39.43 0.00 1.89 0.69 0.02 57.97 18:30:35 3 33.95 0.00 1.89 1.45 0.01 62.70 Average: all 7.27 0.00 0.39 0.19 0.00 92.14 Average: 0 7.15 0.00 0.42 0.23 0.00 92.20 Average: 1 7.18 0.00 0.35 0.08 0.00 92.39 Average: 2 7.95 0.00 0.39 0.15 0.00 91.50 Average: 3 6.81 0.00 0.39 0.32 0.00 92.47