---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-62407 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 65G 17% / 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 643 8203 4 7142 15002 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:4c:b8:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84124sec preferred_lft 84124sec inet6 fe80::f816:3eff:fe4c:b860/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:e6:94:c3:4f:7e 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-62407) 10/06/26 _x86_64_ (4 CPU) 07:57:03 LINUX RESTART (4 CPU) 08:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:27 27.98 0.97 23.97 3.04 40.48 3444.21 16241.00 08:20:37 31.89 0.01 28.65 3.22 0.39 2642.76 29164.65 08:30:02 9.26 0.02 8.84 0.40 0.51 7211.09 54813.63 Average: 23.44 0.35 20.81 2.27 14.38 4353.58 32709.13 08:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:27 9527288 13297376 2659012 16.24 144004 3734736 3018688 17.33 709140 5736692 24056 08:20:37 7730032 12570472 3381236 20.65 163964 4735900 3352896 19.25 1009164 7174748 611588 08:30:02 6281048 12862800 3082796 18.83 178896 6405088 3063404 17.58 1661956 7885940 436304 Average: 7846123 12910216 3041015 18.57 162288 4958575 3144996 18.05 1126753 6932460 357316 08:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:27 lo 1613.77 1613.77 1532.66 1532.66 0.00 0.00 0.00 0.00 08:10:27 ens3 57.71 44.96 114.42 14.49 0.00 0.00 0.00 0.00 08:10:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:37 lo 1391.63 1391.63 1326.75 1326.75 0.00 0.00 0.00 0.00 08:20:37 ens3 49.65 36.01 32.28 13.63 0.00 0.00 0.00 0.00 08:20:37 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:02 lo 2718.83 2718.83 9881.57 9881.57 0.00 0.00 0.00 0.00 08:30:02 ens3 20.84 17.95 99.78 4.05 0.00 0.00 0.00 0.00 08:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1884.94 1884.94 4080.04 4080.04 0.00 0.00 0.00 0.00 Average: ens3 43.42 33.46 82.01 10.93 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-62407) 10/06/26 _x86_64_ (4 CPU) 07:57:03 LINUX RESTART (4 CPU) 08:00:01 CPU %user %nice %system %iowait %steal %idle 08:10:27 all 68.18 0.00 2.65 0.08 0.03 29.07 08:10:27 0 67.86 0.00 2.77 0.08 0.03 29.26 08:10:27 1 68.36 0.00 2.43 0.09 0.03 29.09 08:10:27 2 69.48 0.00 2.45 0.04 0.03 28.00 08:10:27 3 67.02 0.00 2.94 0.10 0.03 29.91 08:20:37 all 63.35 0.00 2.77 0.09 0.03 33.76 08:20:37 0 63.42 0.00 2.55 0.12 0.03 33.88 08:20:37 1 63.94 0.00 3.01 0.08 0.04 32.93 08:20:37 2 62.70 0.00 2.84 0.08 0.03 34.34 08:20:37 3 63.34 0.00 2.68 0.06 0.03 33.90 08:30:02 all 28.90 0.00 1.39 0.13 0.02 69.56 08:30:02 0 21.85 0.00 1.62 0.41 0.02 76.10 08:30:02 1 30.22 0.00 1.37 0.02 0.02 68.37 08:30:02 2 28.04 0.00 1.14 0.06 0.02 70.75 08:30:02 3 35.53 0.00 1.43 0.03 0.03 62.98 Average: all 54.22 0.00 2.30 0.10 0.03 43.36 Average: 0 51.89 0.00 2.33 0.20 0.03 45.55 Average: 1 54.90 0.00 2.30 0.06 0.03 42.72 Average: 2 54.20 0.00 2.17 0.06 0.03 43.54 Average: 3 55.90 0.00 2.38 0.06 0.03 41.63