---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65985 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: 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 13G 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 682 8774 4 6532 14963 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:71:e2:8e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84542sec preferred_lft 84542sec inet6 fe80::f816:3eff:fe71:e28e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:03:5e:ad:45:b5 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-65985) 10/20/26 _x86_64_ (4 CPU) 17:29:51 LINUX RESTART (4 CPU) 17:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:19 66.64 12.16 51.29 3.19 1609.21 10434.72 6189.40 17:50:12 25.54 0.02 22.91 2.61 0.40 2202.71 11732.64 18:00:07 20.21 0.06 18.23 1.93 3.63 8985.29 5469.50 Average: 37.86 4.19 31.09 2.58 552.54 7257.12 7770.37 17:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:19 9076744 12852112 3105700 18.97 135576 3756956 3184864 18.28 669236 6227324 208608 17:50:12 8428532 12613008 3341308 20.41 155100 4112260 3447884 19.79 776136 6741244 231164 18:00:07 9108760 15434456 513056 3.13 176516 6161524 1076444 6.18 1568496 5183696 30844 Average: 8871345 13633192 2320021 14.17 155731 4676913 2569731 14.75 1004623 6050755 156872 17:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:19 lo 1530.94 1530.94 1455.09 1455.09 0.00 0.00 0.00 0.00 17:40:19 ens3 192.91 145.73 1334.13 23.25 0.00 0.00 0.00 0.00 17:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:12 lo 1220.03 1220.03 1163.67 1163.67 0.00 0.00 0.00 0.00 17:50:12 ens3 22.54 19.78 21.77 6.28 0.00 0.00 0.00 0.00 17:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:07 lo 768.07 768.07 7287.96 7287.96 0.00 0.00 0.00 0.00 18:00:07 ens3 39.97 34.60 117.80 34.07 0.00 0.00 0.00 0.00 18:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1177.62 1177.62 3281.25 3281.25 0.00 0.00 0.00 0.00 Average: ens3 86.64 67.81 502.94 21.25 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-65985) 10/20/26 _x86_64_ (4 CPU) 17:29:51 LINUX RESTART (4 CPU) 17:30:00 CPU %user %nice %system %iowait %steal %idle 17:40:19 all 59.30 0.00 3.06 0.50 0.04 37.09 17:40:19 0 58.79 0.00 2.79 0.32 0.04 38.06 17:40:19 1 57.33 0.00 3.17 0.81 0.04 38.65 17:40:19 2 61.81 0.00 3.36 0.26 0.05 34.52 17:40:19 3 59.27 0.00 2.93 0.62 0.04 37.14 17:50:12 all 63.99 0.00 2.69 0.10 0.04 33.19 17:50:12 0 62.60 0.00 2.54 0.14 0.05 34.66 17:50:12 1 66.08 0.00 3.13 0.12 0.04 30.62 17:50:12 2 64.47 0.00 2.71 0.06 0.04 32.72 17:50:12 3 62.79 0.00 2.37 0.06 0.04 34.75 18:00:07 all 41.35 0.00 1.86 0.16 0.03 56.61 18:00:07 0 44.28 0.00 1.69 0.08 0.03 53.92 18:00:07 1 43.52 0.00 2.18 0.18 0.03 54.09 18:00:07 2 41.35 0.00 1.49 0.13 0.03 57.00 18:00:07 3 36.25 0.00 2.06 0.25 0.02 61.43 Average: all 54.91 0.00 2.54 0.26 0.04 42.25 Average: 0 55.26 0.00 2.35 0.18 0.04 42.17 Average: 1 55.65 0.00 2.83 0.37 0.04 41.11 Average: 2 55.93 0.00 2.53 0.15 0.04 41.36 Average: 3 52.83 0.00 2.46 0.31 0.03 44.37