---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22022 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 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 622 10667 4 4699 15023 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:4c:a2:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.4/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82054sec preferred_lft 82054sec inet6 fe80::f816:3eff:fe4c:a221/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:ba:8f:00:5f:a2 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-22022) 09/19/26 _x86_64_ (4 CPU) 07:02:45 LINUX RESTART (4 CPU) 07:10:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:17 14.17 0.01 1.42 12.74 0.20 16.85 242609.57 07:30:17 1.18 0.00 1.18 0.00 0.00 13.93 0.00 07:40:17 1.17 0.00 1.17 0.00 0.00 13.73 0.00 07:50:17 1.22 0.00 1.22 0.00 0.00 14.28 0.00 08:00:17 1.18 0.00 1.18 0.00 0.00 13.52 0.00 08:10:17 50.36 4.83 44.42 1.10 277.13 5061.03 2173.64 Average: 11.55 0.81 8.43 2.31 46.22 855.56 40797.88 07:10:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:17 13752532 15542948 475532 2.90 54080 1964060 1167072 6.70 192124 2184844 12 07:30:17 13752028 15542788 475700 2.91 54416 1964072 1167072 6.70 192456 2185760 12 07:40:17 13751276 15542608 475724 2.91 54824 1964212 1167072 6.70 192872 2186604 168 07:50:17 13751024 15542708 475604 2.90 55160 1964224 1167072 6.70 193200 2187440 20 08:00:17 13750268 15542436 475852 2.91 55488 1964360 1167200 6.70 193528 2188828 172 08:10:17 10563080 13784800 2177140 13.30 118520 3261316 2659516 15.27 474132 4995900 1788 Average: 13220035 15249715 759259 4.64 65415 2180374 1415834 8.13 239719 2654896 362 07:10:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:17 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:20:17 ens3 0.45 0.09 0.05 0.02 0.00 0.00 0.00 0.00 07:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:17 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:30:17 ens3 0.32 0.09 0.04 0.02 0.00 0.00 0.00 0.00 07:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:17 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:40:17 ens3 0.33 0.08 0.04 0.02 0.00 0.00 0.00 0.00 07:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:17 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:50:17 ens3 0.29 0.07 0.04 0.02 0.00 0.00 0.00 0.00 07:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:17 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:00:17 ens3 0.29 0.10 0.07 0.04 0.00 0.00 0.00 0.00 08:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:17 lo 115.59 115.59 105.41 105.41 0.00 0.00 0.00 0.00 08:10:17 ens3 155.63 120.86 1183.62 18.74 0.00 0.00 0.00 0.00 08:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.35 19.35 17.57 17.57 0.00 0.00 0.00 0.00 Average: ens3 26.22 20.22 197.31 3.14 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-22022) 09/19/26 _x86_64_ (4 CPU) 07:02:45 LINUX RESTART (4 CPU) 07:10:17 CPU %user %nice %system %iowait %steal %idle 07:20:17 all 0.08 0.00 0.03 0.04 0.00 99.85 07:20:17 0 0.03 0.00 0.05 0.11 0.00 99.81 07:20:17 1 0.02 0.00 0.02 0.03 0.00 99.93 07:20:17 2 0.11 0.00 0.03 0.00 0.00 99.86 07:20:17 3 0.15 0.00 0.03 0.02 0.00 99.81 07:30:17 all 0.14 0.00 0.02 0.01 0.00 99.83 07:30:17 0 0.36 0.00 0.04 0.00 0.00 99.61 07:30:17 1 0.02 0.00 0.01 0.03 0.00 99.95 07:30:17 2 0.03 0.00 0.03 0.01 0.00 99.93 07:30:17 3 0.16 0.00 0.02 0.00 0.00 99.83 07:40:17 all 0.16 0.00 0.02 0.01 0.00 99.81 07:40:17 0 0.03 0.00 0.04 0.00 0.00 99.93 07:40:17 1 0.01 0.00 0.01 0.04 0.00 99.95 07:40:17 2 0.02 0.00 0.01 0.01 0.00 99.97 07:40:17 3 0.61 0.00 0.01 0.00 0.00 99.37 07:50:17 all 0.08 0.00 0.02 0.01 0.00 99.88 07:50:17 0 0.22 0.00 0.03 0.00 0.00 99.75 07:50:17 1 0.01 0.00 0.02 0.03 0.00 99.94 07:50:17 2 0.07 0.00 0.02 0.00 0.00 99.91 07:50:17 3 0.03 0.00 0.02 0.01 0.00 99.94 08:00:17 all 0.02 0.00 0.02 0.01 0.00 99.95 08:00:17 0 0.01 0.00 0.01 0.03 0.00 99.95 08:00:17 1 0.02 0.00 0.03 0.00 0.00 99.95 08:00:17 2 0.03 0.00 0.02 0.00 0.00 99.95 08:00:17 3 0.02 0.00 0.02 0.01 0.00 99.95 08:10:17 all 28.05 0.00 1.27 0.32 0.01 70.34 08:10:17 0 28.13 0.00 1.19 0.48 0.01 70.19 08:10:17 1 30.46 0.00 1.65 0.57 0.02 67.30 08:10:17 2 27.97 0.00 1.03 0.07 0.01 70.91 08:10:17 3 25.63 0.00 1.19 0.18 0.01 72.98 Average: all 4.76 0.00 0.23 0.07 0.00 94.94 Average: 0 4.79 0.00 0.23 0.10 0.00 94.88 Average: 1 5.09 0.00 0.29 0.11 0.00 94.51 Average: 2 4.72 0.00 0.19 0.01 0.00 95.07 Average: 3 4.43 0.00 0.21 0.04 0.00 95.31