---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9257 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 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 671 8183 4 7134 14974 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:d7:71:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84087sec preferred_lft 84087sec inet6 fe80::f816:3eff:fed7:718a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:a4:58:3f:46:f6 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-4c-4g-9257) 09/18/26 _x86_64_ (4 CPU) 07:57:00 LINUX RESTART (4 CPU) 08:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:04 29.56 1.02 25.32 3.23 43.48 3680.02 6971.60 08:20:05 32.46 0.03 29.10 3.33 0.61 2596.96 13331.43 08:30:05 22.62 0.03 8.51 14.08 0.85 7564.67 235040.66 Average: 28.21 0.36 20.98 6.88 14.96 4613.43 85117.25 08:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:04 9428516 13162920 2793552 17.06 142140 3703136 2678388 15.37 698944 5826472 28816 08:20:05 8597588 12897376 3056148 18.67 167828 4208388 2891832 16.60 838096 6500852 129540 08:30:05 6262508 12840820 3104768 18.96 183236 6396564 2922712 16.78 1668452 7908800 229804 Average: 8096204 12967039 2984823 18.23 164401 4769363 2830977 16.25 1068497 6745375 129387 08:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:04 lo 1675.17 1675.17 1590.81 1590.81 0.00 0.00 0.00 0.00 08:10:04 ens3 84.79 64.08 380.07 16.87 0.00 0.00 0.00 0.00 08:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:05 lo 1485.81 1485.81 1415.72 1415.72 0.00 0.00 0.00 0.00 08:20:05 ens3 44.72 32.16 31.61 12.86 0.00 0.00 0.00 0.00 08:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:05 lo 2545.14 2545.14 9293.59 9293.59 0.00 0.00 0.00 0.00 08:30:05 ens3 21.16 17.86 95.09 4.56 0.00 0.00 0.00 0.00 08:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1901.96 1901.96 4099.97 4099.97 0.00 0.00 0.00 0.00 Average: ens3 50.21 38.02 168.78 11.43 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-4c-4g-9257) 09/18/26 _x86_64_ (4 CPU) 07:57:00 LINUX RESTART (4 CPU) 08:00:05 CPU %user %nice %system %iowait %steal %idle 08:10:04 all 67.98 0.00 2.75 0.08 0.03 29.16 08:10:04 0 67.41 0.00 2.68 0.09 0.03 29.79 08:10:04 1 67.96 0.00 2.77 0.06 0.03 29.18 08:10:04 2 67.34 0.00 2.86 0.06 0.04 29.71 08:10:04 3 69.22 0.00 2.69 0.09 0.04 27.97 08:20:05 all 62.94 0.00 2.79 0.49 0.04 33.74 08:20:05 0 62.08 0.00 2.97 0.60 0.04 34.32 08:20:05 1 60.98 0.00 2.72 0.61 0.03 35.65 08:20:05 2 63.99 0.00 2.61 0.47 0.04 32.90 08:20:05 3 64.72 0.00 2.86 0.27 0.04 32.11 08:30:05 all 29.96 0.00 1.40 0.36 0.03 68.25 08:30:05 0 28.44 0.00 1.29 0.40 0.02 69.84 08:30:05 1 31.95 0.00 1.41 0.27 0.03 66.34 08:30:05 2 33.70 0.00 1.29 0.30 0.03 64.68 08:30:05 3 25.77 0.00 1.62 0.45 0.03 72.14 Average: all 53.61 0.00 2.31 0.31 0.03 43.74 Average: 0 52.61 0.00 2.31 0.36 0.03 44.68 Average: 1 53.61 0.00 2.30 0.31 0.03 43.74 Average: 2 55.00 0.00 2.25 0.28 0.03 42.44 Average: 3 53.21 0.00 2.39 0.27 0.03 44.10