---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-62433 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 9.5G 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 652 11479 4 3857 14993 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:04:e4:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82698sec preferred_lft 82698sec inet6 fe80::f816:3eff:fe04:e4e8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:78:f1:4a:e3:5e 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-62433) 10/06/26 _x86_64_ (4 CPU) 08:47:02 LINUX RESTART (4 CPU) 08:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:00:03 61.44 0.54 40.55 20.35 42.56 3201.32 345186.40 09:10:02 2.19 0.01 2.18 0.00 0.04 26.93 0.00 09:20:01 2.06 0.00 2.06 0.00 0.01 24.57 0.00 09:30:03 2.13 0.00 2.13 0.00 0.21 25.01 0.00 09:40:01 1.97 0.00 1.97 0.00 0.00 23.13 0.00 Average: 13.99 0.11 9.80 4.08 8.59 661.94 69227.17 08:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:00:03 9351088 12942512 3015736 18.42 153412 3567924 3551008 20.38 670000 5957020 176 09:10:02 9349632 12941484 3016768 18.43 153804 3567936 3552764 20.39 670388 5957008 220 09:20:01 9348216 12940580 3017708 18.43 154152 3568068 3551424 20.39 670756 5956980 220 09:30:03 9346888 12939664 3018568 18.44 154464 3568144 3551488 20.39 671072 5957620 220 09:40:01 9345916 12939036 3019248 18.44 154768 3568152 3551620 20.39 671376 5958220 220 Average: 9348348 12940655 3017606 18.43 154120 3568045 3551661 20.39 670718 5957370 211 08:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:00:03 lo 0.59 0.59 0.06 0.06 0.00 0.00 0.00 0.00 09:00:03 ens3 52.76 29.48 383.57 5.24 0.00 0.00 0.00 0.00 09:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:10:02 ens3 0.47 0.17 0.16 0.10 0.00 0.00 0.00 0.00 09:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:20:01 ens3 0.24 0.08 0.04 0.02 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:30:03 ens3 0.21 0.08 0.04 0.02 0.00 0.00 0.00 0.00 09:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:40:01 ens3 0.28 0.09 0.07 0.04 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 Average: ens3 10.82 6.00 76.98 1.09 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-62433) 10/06/26 _x86_64_ (4 CPU) 08:47:02 LINUX RESTART (4 CPU) 08:50:01 CPU %user %nice %system %iowait %steal %idle 09:00:03 all 25.02 0.00 1.06 0.39 0.01 73.50 09:00:03 0 24.83 0.00 1.14 0.15 0.01 73.87 09:00:03 1 24.22 0.00 0.84 0.17 0.01 74.76 09:00:03 2 26.15 0.00 1.11 1.03 0.02 71.69 09:00:03 3 24.90 0.00 1.15 0.24 0.01 73.70 09:10:02 all 0.20 0.00 0.06 0.01 0.00 99.73 09:10:02 0 0.07 0.00 0.08 0.01 0.00 99.84 09:10:02 1 0.10 0.00 0.05 0.04 0.00 99.81 09:10:02 2 0.08 0.00 0.06 0.00 0.00 99.86 09:10:02 3 0.54 0.00 0.05 0.00 0.00 99.41 09:20:01 all 0.13 0.00 0.05 0.01 0.00 99.80 09:20:01 0 0.05 0.00 0.03 0.00 0.00 99.91 09:20:01 1 0.36 0.00 0.09 0.03 0.01 99.52 09:20:01 2 0.04 0.00 0.03 0.01 0.00 99.92 09:20:01 3 0.08 0.00 0.06 0.01 0.00 99.85 09:30:03 all 0.12 0.00 0.06 0.01 0.00 99.81 09:30:03 0 0.06 0.00 0.05 0.03 0.00 99.85 09:30:03 1 0.28 0.00 0.06 0.00 0.00 99.66 09:30:03 2 0.07 0.00 0.06 0.01 0.00 99.86 09:30:03 3 0.07 0.00 0.05 0.01 0.00 99.87 09:40:01 all 0.07 0.00 0.05 0.01 0.00 99.87 09:40:01 0 0.03 0.00 0.04 0.04 0.00 99.89 09:40:01 1 0.07 0.00 0.04 0.00 0.00 99.89 09:40:01 2 0.08 0.00 0.05 0.00 0.00 99.86 09:40:01 3 0.08 0.00 0.07 0.01 0.00 99.85 Average: all 5.12 0.00 0.26 0.09 0.00 94.53 Average: 0 5.04 0.00 0.27 0.04 0.00 94.64 Average: 1 5.01 0.00 0.22 0.05 0.01 94.72 Average: 2 5.29 0.00 0.26 0.21 0.01 94.23 Average: 3 5.15 0.00 0.28 0.05 0.00 94.52