---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-16461 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 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 599 11918 4 3471 15046 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:d1:6c:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.196/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 82891sec preferred_lft 82891sec inet6 fe80::f816:3eff:fed1:6ca8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:f8:df:c1:90:ae 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-v1-8c-8g-16461) 08/29/26 _x86_64_ (4 CPU) 19:44:42 LINUX RESTART (4 CPU) 19:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:00:25 1.90 0.35 1.55 0.00 6.89 18.32 216.48 20:10:25 1.46 0.00 1.46 0.00 0.00 16.49 0.00 20:20:25 1.47 0.00 1.47 0.00 0.01 16.96 0.00 20:30:19 14.52 0.00 1.67 12.84 0.15 19.03 239824.72 20:40:00 31.36 1.19 29.66 0.51 94.32 977.93 207.51 Average: 9.97 0.30 7.01 2.65 19.81 204.70 47782.85 19:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:00:25 13725688 15498852 519272 3.17 54344 1947056 1169848 6.71 176872 2218012 16 20:10:25 13725512 15499404 518764 3.17 54936 1947184 1169968 6.72 177456 2219308 156 20:20:25 13724704 15499244 518840 3.17 55540 1947200 1170064 6.72 178080 2221992 12 20:30:19 13721064 15501184 516916 3.16 56380 1951880 1170032 6.72 183636 2221824 16 20:40:00 13269916 15580544 402560 2.46 92644 2416340 1001560 5.75 245448 2561480 330860 Average: 13633377 15515846 495270 3.02 62769 2041932 1136294 6.52 192298 2288523 66212 19:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:00:25 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:00:25 ens3 1.70 1.10 0.87 1.12 0.00 0.00 0.00 0.00 20:00:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:25 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:10:25 ens3 0.43 0.28 0.15 0.39 0.00 0.00 0.00 0.00 20:10:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:25 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:20:25 ens3 0.82 0.83 0.15 1.67 0.00 0.00 0.00 0.00 20:20:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:19 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:30:19 ens3 0.28 0.19 0.09 0.23 0.00 0.00 0.00 0.00 20:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:00 lo 0.21 0.21 0.02 0.02 0.00 0.00 0.00 0.00 20:40:00 ens3 16.59 12.17 155.47 4.65 0.00 0.00 0.00 0.00 20:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 3.88 2.86 30.53 1.60 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-v1-8c-8g-16461) 08/29/26 _x86_64_ (4 CPU) 19:44:42 LINUX RESTART (4 CPU) 19:50:14 CPU %user %nice %system %iowait %steal %idle 20:00:25 all 0.26 0.00 0.02 0.01 0.00 99.70 20:00:25 0 0.15 0.00 0.02 0.00 0.00 99.83 20:00:25 1 0.07 0.00 0.03 0.04 0.00 99.86 20:00:25 2 0.75 0.00 0.02 0.00 0.00 99.22 20:00:25 3 0.08 0.00 0.03 0.00 0.00 99.88 20:10:25 all 0.12 0.00 0.02 0.01 0.00 99.85 20:10:25 0 0.09 0.00 0.02 0.00 0.00 99.88 20:10:25 1 0.34 0.00 0.03 0.02 0.00 99.61 20:10:25 2 0.02 0.00 0.02 0.02 0.00 99.94 20:10:25 3 0.02 0.00 0.02 0.00 0.00 99.96 20:20:25 all 0.29 0.00 0.02 0.01 0.00 99.68 20:20:25 0 0.06 0.00 0.01 0.00 0.00 99.93 20:20:25 1 0.90 0.00 0.03 0.00 0.00 99.07 20:20:25 2 0.02 0.00 0.01 0.03 0.00 99.93 20:20:25 3 0.18 0.00 0.03 0.01 0.00 99.78 20:30:19 all 0.03 0.00 0.02 0.04 0.00 99.91 20:30:19 0 0.02 0.00 0.03 0.10 0.00 99.86 20:30:19 1 0.08 0.00 0.04 0.00 0.00 99.88 20:30:19 2 0.02 0.00 0.01 0.04 0.00 99.93 20:30:19 3 0.02 0.00 0.02 0.00 0.00 99.96 20:40:00 all 2.10 0.00 0.25 0.29 0.00 97.35 20:40:00 0 2.55 0.00 0.25 0.22 0.00 96.98 20:40:00 1 1.47 0.00 0.20 0.20 0.00 98.13 20:40:00 2 1.06 0.00 0.22 0.63 0.00 98.08 20:40:00 3 3.34 0.00 0.31 0.12 0.00 96.23 Average: all 0.55 0.00 0.07 0.07 0.00 99.31 Average: 0 0.56 0.00 0.07 0.06 0.00 99.31 Average: 1 0.56 0.00 0.06 0.05 0.00 99.32 Average: 2 0.38 0.00 0.06 0.14 0.00 99.43 Average: 3 0.71 0.00 0.08 0.03 0.00 99.18