---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-5934 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: 5600.02 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 630 12013 4 3345 15015 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:57:41:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.210/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 81909sec preferred_lft 81909sec inet6 fe80::f816:3eff:fe57:411b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:5e:a2:29:f9:f6 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-v1-8c-8g-5934) 10/28/26 _x86_64_ (4 CPU) 11:55:04 LINUX RESTART (4 CPU) 12:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:01 1.66 0.04 1.62 0.01 0.80 20.13 222.13 12:20:05 1.60 0.20 1.41 0.00 1.56 16.16 0.00 12:30:05 1.41 0.00 1.41 0.00 0.00 15.87 0.00 12:40:01 1.45 0.00 1.45 0.00 0.00 16.50 0.00 12:50:02 1.69 0.16 1.54 0.00 4.60 17.63 0.00 13:00:05 1.53 0.00 1.53 0.00 0.00 17.32 0.00 Average: 1.56 0.07 1.49 0.00 1.16 17.27 36.94 12:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:01 13718404 15487408 531336 3.25 54296 1943568 1174468 6.74 181892 2220664 16 12:20:05 13716176 15486408 532112 3.25 55352 1943604 1173496 6.74 182992 2221344 204 12:30:05 13715672 15486512 532056 3.25 55920 1943608 1173560 6.74 183568 2221600 180 12:40:01 13714960 15486456 532088 3.25 56496 1943684 1173624 6.74 184132 2221752 204 12:50:02 13708192 15482352 535692 3.27 57108 1945272 1177040 6.76 186064 2232264 200 13:00:05 13707688 15482572 535504 3.27 57692 1945408 1177088 6.76 186624 2232484 200 Average: 13713515 15485285 533131 3.26 56144 1944191 1174879 6.74 184212 2225018 167 12:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 12:10:01 ens3 0.74 0.41 0.33 0.60 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:20:05 ens3 0.26 0.20 0.10 0.25 0.00 0.00 0.00 0.00 12:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:30:05 ens3 0.32 0.21 0.13 0.24 0.00 0.00 0.00 0.00 12:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:40:01 ens3 0.37 0.22 0.14 0.28 0.00 0.00 0.00 0.00 12:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 12:50:02 ens3 1.69 1.82 0.82 2.37 0.00 0.00 0.00 0.00 12:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:00:05 ens3 0.24 0.17 0.10 0.20 0.00 0.00 0.00 0.00 13:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 0.61 0.51 0.27 0.66 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-v1-8c-8g-5934) 10/28/26 _x86_64_ (4 CPU) 11:55:04 LINUX RESTART (4 CPU) 12:00:02 CPU %user %nice %system %iowait %steal %idle 12:10:01 all 0.20 0.00 0.03 0.01 0.00 99.75 12:10:01 0 0.08 0.00 0.03 0.00 0.00 99.89 12:10:01 1 0.37 0.00 0.02 0.05 0.00 99.57 12:10:01 2 0.30 0.00 0.04 0.00 0.01 99.65 12:10:01 3 0.06 0.00 0.03 0.00 0.00 99.90 12:20:05 all 0.14 0.00 0.02 0.01 0.00 99.83 12:20:05 0 0.04 0.00 0.02 0.00 0.00 99.94 12:20:05 1 0.01 0.00 0.02 0.04 0.00 99.93 12:20:05 2 0.48 0.00 0.03 0.01 0.00 99.49 12:20:05 3 0.02 0.00 0.02 0.00 0.00 99.96 12:30:05 all 0.06 0.00 0.02 0.01 0.00 99.91 12:30:05 0 0.02 0.00 0.01 0.00 0.00 99.96 12:30:05 1 0.02 0.00 0.02 0.02 0.00 99.95 12:30:05 2 0.20 0.00 0.02 0.00 0.00 99.77 12:30:05 3 0.02 0.00 0.02 0.02 0.00 99.94 12:40:01 all 0.04 0.00 0.02 0.01 0.00 99.92 12:40:01 0 0.07 0.00 0.01 0.01 0.00 99.91 12:40:01 1 0.03 0.00 0.02 0.02 0.00 99.94 12:40:01 2 0.03 0.00 0.04 0.02 0.00 99.92 12:40:01 3 0.03 0.00 0.03 0.01 0.00 99.93 12:50:02 all 0.22 0.00 0.04 0.02 0.00 99.73 12:50:02 0 0.65 0.00 0.04 0.04 0.00 99.26 12:50:02 1 0.09 0.00 0.04 0.01 0.00 99.85 12:50:02 2 0.05 0.00 0.02 0.01 0.00 99.91 12:50:02 3 0.08 0.00 0.03 0.00 0.00 99.88 13:00:05 all 0.05 0.00 0.02 0.01 0.00 99.92 13:00:05 0 0.01 0.00 0.01 0.00 0.00 99.98 13:00:05 1 0.10 0.00 0.02 0.00 0.00 99.88 13:00:05 2 0.03 0.00 0.03 0.03 0.00 99.91 13:00:05 3 0.05 0.00 0.04 0.00 0.00 99.91 Average: all 0.12 0.00 0.02 0.01 0.00 99.84 Average: 0 0.14 0.00 0.02 0.01 0.00 99.82 Average: 1 0.10 0.00 0.02 0.02 0.00 99.85 Average: 2 0.18 0.00 0.03 0.01 0.00 99.77 Average: 3 0.04 0.00 0.03 0.01 0.00 99.92