---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6658 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: 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 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 12G 66G 15% / 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 704 9230 4 6054 14941 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:2c:a9:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83228sec preferred_lft 83228sec inet6 fe80::f816:3eff:fe2c:a977/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:5f:6f:56:46:df 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-6658) 09/10/26 _x86_64_ (4 CPU) 08:38:50 LINUX RESTART (4 CPU) 08:40:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:18 1.36 0.04 1.31 0.01 1.71 17.29 216.66 09:00:18 15.65 1.35 14.24 0.06 96.08 499.61 946.52 09:10:18 34.14 3.38 27.12 3.64 182.47 5628.00 54079.21 09:20:07 15.52 0.16 13.17 2.19 5.10 1480.52 26302.84 09:30:18 25.92 0.29 22.61 3.01 14.32 7067.79 8773.61 Average: 18.55 1.04 15.72 1.79 59.97 2958.31 18002.07 08:40:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:18 13754348 15536160 482196 2.95 53536 1956060 1159656 6.66 193424 2181540 188 09:00:18 13390884 15373660 635356 3.88 64272 2138612 1261616 7.24 285424 2441580 64076 09:10:18 9650872 13197664 2760804 16.86 127884 3538172 3163948 18.16 670668 5669200 1068 09:20:07 9352976 13264308 2690340 16.43 149236 3852060 2925872 16.79 791736 5771792 20224 09:30:18 9522444 15364016 581772 3.55 172000 5676568 1135168 6.52 1581164 4729076 264 Average: 11134305 14547162 1430094 8.73 113386 3432294 1929252 11.07 704483 4158638 17164 08:40:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:18 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 08:50:18 ens3 0.58 0.22 0.21 0.12 0.00 0.00 0.00 0.00 08:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:18 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 09:00:18 ens3 33.97 21.99 166.29 5.01 0.00 0.00 0.00 0.00 09:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:18 lo 17.94 17.94 3.72 3.72 0.00 0.00 0.00 0.00 09:10:18 ens3 109.60 84.97 809.63 14.49 0.00 0.00 0.00 0.00 09:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:07 lo 744.71 744.71 676.35 676.35 0.00 0.00 0.00 0.00 09:20:07 ens3 40.73 30.91 253.68 6.06 0.00 0.00 0.00 0.00 09:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:18 lo 1592.97 1592.97 1537.73 1537.73 0.00 0.00 0.00 0.00 09:30:18 ens3 87.71 95.72 268.89 863.18 0.00 0.00 0.00 0.00 09:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 474.16 474.16 446.60 446.60 0.00 0.00 0.00 0.00 Average: ens3 54.68 46.99 299.80 180.79 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-6658) 09/10/26 _x86_64_ (4 CPU) 08:38:50 LINUX RESTART (4 CPU) 08:40:18 CPU %user %nice %system %iowait %steal %idle 08:50:18 all 0.12 0.00 0.03 0.01 0.00 99.83 08:50:18 0 0.02 0.00 0.02 0.00 0.00 99.96 08:50:18 1 0.08 0.00 0.03 0.01 0.01 99.88 08:50:18 2 0.04 0.00 0.03 0.01 0.01 99.92 08:50:18 3 0.37 0.00 0.03 0.04 0.00 99.57 09:00:18 all 1.20 0.00 0.17 0.18 0.01 98.45 09:00:18 0 1.27 0.00 0.19 0.39 0.01 98.15 09:00:18 1 1.29 0.00 0.15 0.20 0.01 98.36 09:00:18 2 1.09 0.00 0.18 0.11 0.01 98.60 09:00:18 3 1.14 0.00 0.15 0.02 0.01 98.68 09:10:18 all 37.48 0.00 1.73 0.43 0.04 60.33 09:10:18 0 35.01 0.00 1.83 0.19 0.04 62.93 09:10:18 1 39.40 0.00 1.71 0.92 0.04 57.94 09:10:18 2 37.17 0.00 1.62 0.08 0.03 61.10 09:10:18 3 38.34 0.00 1.75 0.51 0.04 59.36 09:20:07 all 23.17 0.00 1.41 0.13 0.05 75.23 09:20:07 0 21.93 0.00 1.40 0.10 0.05 76.51 09:20:07 1 23.57 0.00 1.64 0.23 0.06 74.51 09:20:07 2 23.86 0.00 1.46 0.09 0.05 74.54 09:20:07 3 23.34 0.00 1.16 0.07 0.05 75.37 09:30:18 all 40.20 0.00 2.14 0.20 0.04 57.42 09:30:18 0 38.55 0.00 1.82 0.35 0.03 59.24 09:30:18 1 39.13 0.00 2.14 0.19 0.03 58.51 09:30:18 2 40.61 0.00 2.08 0.10 0.04 57.17 09:30:18 3 42.54 0.00 2.54 0.16 0.03 54.73 Average: all 20.48 0.00 1.10 0.19 0.03 78.20 Average: 0 19.41 0.00 1.05 0.21 0.03 79.31 Average: 1 20.73 0.00 1.13 0.31 0.03 77.80 Average: 2 20.60 0.00 1.07 0.08 0.03 78.22 Average: 3 21.20 0.00 1.13 0.16 0.03 77.48