---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-62149 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 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 688 9240 4 6059 14957 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:87:53:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83478sec preferred_lft 83478sec inet6 fe80::f816:3eff:fe87:5385/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:61:29:47:3a:79 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-62149) 10/05/26 _x86_64_ (4 CPU) 04:53:13 LINUX RESTART (4 CPU) 05:00:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:10:01 14.87 0.01 1.37 13.49 0.20 15.96 254544.39 05:20:09 49.54 4.67 42.05 2.82 276.21 5835.51 56945.92 05:30:29 9.87 0.00 8.39 1.47 0.03 664.02 33274.79 05:40:16 36.30 0.48 31.25 4.57 19.62 8437.19 15370.23 Average: 27.67 1.31 20.90 5.46 75.23 3737.73 87921.32 05:00:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:10:01 13725076 15518072 500176 3.05 54712 1966100 1169740 6.71 191176 2201712 208 05:20:09 9820976 13317128 2641444 16.13 127056 3493212 2948012 16.92 656464 5498352 1616 05:30:29 9598976 13259560 2697980 16.48 138468 3630972 3045544 17.48 691664 5683304 5484 05:40:16 9506704 15353236 592612 3.62 174128 5679468 1128012 6.47 1578412 4740296 92 Average: 10662933 14361999 1608053 9.82 123591 3692438 2072827 11.90 779429 4530916 1850 05:00:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 05:10:01 ens3 0.31 0.12 0.07 0.04 0.00 0.00 0.00 0.00 05:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:09 lo 7.48 7.48 1.48 1.48 0.00 0.00 0.00 0.00 05:20:09 ens3 142.04 109.57 948.84 18.69 0.00 0.00 0.00 0.00 05:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:29 lo 58.58 58.58 14.81 14.81 0.00 0.00 0.00 0.00 05:30:29 ens3 6.40 4.69 4.27 1.62 0.00 0.00 0.00 0.00 05:30:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:16 lo 2643.30 2643.30 2544.10 2544.10 0.00 0.00 0.00 0.00 05:40:16 ens3 114.47 106.39 527.70 611.09 0.00 0.00 0.00 0.00 05:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 667.26 667.26 629.94 629.94 0.00 0.00 0.00 0.00 Average: ens3 66.07 55.32 372.59 155.49 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-62149) 10/05/26 _x86_64_ (4 CPU) 04:53:13 LINUX RESTART (4 CPU) 05:00:29 CPU %user %nice %system %iowait %steal %idle 05:10:01 all 0.13 0.00 0.03 0.04 0.00 99.81 05:10:01 0 0.44 0.00 0.02 0.02 0.00 99.52 05:10:01 1 0.02 0.00 0.04 0.01 0.00 99.94 05:10:01 2 0.04 0.00 0.04 0.12 0.00 99.80 05:10:01 3 0.02 0.00 0.02 0.00 0.00 99.96 05:20:09 all 32.63 0.00 1.58 0.49 0.02 65.29 05:20:09 0 32.33 0.00 1.50 0.74 0.01 65.42 05:20:09 1 31.77 0.00 1.41 0.15 0.02 66.65 05:20:09 2 34.00 0.00 1.63 0.72 0.02 63.64 05:20:09 3 32.41 0.00 1.77 0.34 0.01 65.46 05:30:29 all 16.07 0.00 0.93 0.10 0.01 82.89 05:30:29 0 16.51 0.00 0.92 0.06 0.01 82.51 05:30:29 1 15.63 0.00 0.93 0.14 0.00 83.29 05:30:29 2 15.83 0.00 0.90 0.09 0.01 83.17 05:30:29 3 16.32 0.00 0.99 0.09 0.01 82.59 05:40:16 all 51.58 0.00 3.08 0.14 0.01 45.19 05:40:16 0 53.33 0.00 3.17 0.16 0.01 43.34 05:40:16 1 51.50 0.00 3.06 0.07 0.01 45.36 05:40:16 2 51.21 0.00 3.29 0.24 0.03 45.23 05:40:16 3 50.27 0.00 2.80 0.08 0.01 46.84 Average: all 25.18 0.00 1.41 0.19 0.01 73.21 Average: 0 25.72 0.00 1.40 0.25 0.01 72.63 Average: 1 24.80 0.00 1.36 0.10 0.01 73.74 Average: 2 25.37 0.00 1.47 0.29 0.01 72.85 Average: 3 24.84 0.00 1.40 0.13 0.01 73.62