---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-62135 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 16% / 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 655 8668 4 6664 14990 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:00:f0:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.133/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84395sec preferred_lft 84395sec inet6 fe80::f816:3eff:fe00:f01b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:9a:65:60:aa:40 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 inet6 fe80::849a:65ff:fe60:aa40/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-62135) 10/05/26 _x86_64_ (4 CPU) 03:31:21 LINUX RESTART (4 CPU) 03:40:42 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:50:23 33.34 0.05 29.47 3.81 1.18 3445.26 39020.51 04:00:00 40.37 1.92 35.73 2.72 329.44 9125.19 3661.68 Average: 36.84 0.98 32.59 3.27 164.67 6274.05 21410.69 03:40:42 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:50:23 8510520 12762376 3189288 19.48 179508 4122308 3470396 19.92 799808 6589488 6068 04:00:00 8920464 15374348 564968 3.45 227852 6136024 1391156 7.99 1158460 5641188 96 Average: 8715492 14068362 1877128 11.46 203680 5129166 2430776 13.95 979134 6115338 3082 03:40:42 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:50:23 lo 1553.80 1553.80 1482.86 1482.86 0.00 0.00 0.00 0.00 03:50:23 ens3 32.11 27.30 154.47 5.81 0.00 0.00 0.00 0.00 03:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:00:00 lo 191.80 191.80 181.90 181.90 0.00 0.00 0.00 0.00 04:00:00 ens3 62.10 56.04 332.78 106.55 0.00 0.00 0.00 0.00 04:00:00 docker0 15.61 10.46 95.47 2.14 0.00 0.00 0.00 0.00 04:00:00 veth3fd8ef2 15.60 10.47 95.68 2.14 0.00 0.00 0.00 0.01 Average: lo 875.48 875.48 834.94 834.94 0.00 0.00 0.00 0.00 Average: ens3 47.05 41.61 243.27 55.98 0.00 0.00 0.00 0.00 Average: docker0 7.77 5.21 47.55 1.07 0.00 0.00 0.00 0.00 Average: veth3fd8ef2 7.77 5.21 47.65 1.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-62135) 10/05/26 _x86_64_ (4 CPU) 03:31:21 LINUX RESTART (4 CPU) 03:40:42 CPU %user %nice %system %iowait %steal %idle 03:50:23 all 55.62 0.00 2.60 0.14 0.03 41.62 03:50:23 0 55.76 0.00 2.61 0.25 0.02 41.35 03:50:23 1 54.19 0.00 2.57 0.13 0.02 43.09 03:50:23 2 55.05 0.00 2.55 0.11 0.02 42.28 03:50:23 3 57.49 0.00 2.65 0.06 0.03 39.76 04:00:00 all 50.24 0.00 2.40 0.18 0.03 47.15 04:00:00 0 49.99 0.00 2.56 0.14 0.03 47.28 04:00:00 1 49.42 0.00 2.36 0.17 0.02 48.02 04:00:00 2 51.07 0.00 2.24 0.11 0.03 46.54 04:00:00 3 50.48 0.00 2.43 0.31 0.03 46.75 Average: all 52.94 0.00 2.50 0.16 0.03 44.37 Average: 0 52.89 0.00 2.59 0.19 0.03 44.30 Average: 1 51.81 0.00 2.47 0.15 0.02 45.54 Average: 2 53.07 0.00 2.39 0.11 0.03 44.40 Average: 3 54.00 0.00 2.54 0.19 0.03 43.24