---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-63342 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 13G 65G 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 698 8305 4 6985 14947 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:12:a9:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84218sec preferred_lft 84218sec inet6 fe80::f816:3eff:fe12:a929/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:1e:24:09:df:98 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-63342) 10/10/26 _x86_64_ (4 CPU) 17:26:26 LINUX RESTART (4 CPU) 17:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:01 28.02 0.74 23.99 3.29 248.72 3677.48 17970.14 17:50:19 31.73 0.01 28.52 3.20 0.39 2562.04 9067.24 18:00:19 4.79 0.02 4.59 0.18 0.53 2940.93 2834.39 Average: 21.62 0.26 19.13 2.23 82.40 3055.17 9949.61 17:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:01 9180964 13268160 2686828 16.41 144572 4050056 2809040 16.12 773984 6016744 36964 17:50:19 7905936 12459484 3492280 21.33 164852 4465300 3540500 20.32 899336 7123168 52060 18:00:19 5955408 12431688 3514176 21.46 173972 6316664 3564536 20.46 1560568 8347520 1190036 Average: 7680769 12719777 3231095 19.73 161132 4944007 3304692 18.97 1077963 7162477 426353 17:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:01 lo 1603.44 1603.44 1523.76 1523.76 0.00 0.00 0.00 0.00 17:40:01 ens3 72.35 51.96 472.40 14.04 0.00 0.00 0.00 0.00 17:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:19 lo 1462.82 1462.82 1395.42 1395.42 0.00 0.00 0.00 0.00 17:50:19 ens3 45.34 33.98 33.00 14.52 0.00 0.00 0.00 0.00 17:50:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:19 lo 2586.17 2586.17 9292.96 9292.96 0.00 0.00 0.00 0.00 18:00:19 ens3 18.92 15.27 94.75 4.18 0.00 0.00 0.00 0.00 18:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1879.79 1879.79 4042.89 4042.89 0.00 0.00 0.00 0.00 Average: ens3 45.54 33.74 198.39 10.95 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-63342) 10/10/26 _x86_64_ (4 CPU) 17:26:26 LINUX RESTART (4 CPU) 17:30:01 CPU %user %nice %system %iowait %steal %idle 17:40:01 all 68.84 0.00 2.91 0.10 0.04 28.11 17:40:01 0 69.20 0.00 2.52 0.08 0.04 28.17 17:40:01 1 68.88 0.00 2.65 0.06 0.04 28.37 17:40:01 2 68.62 0.00 3.35 0.14 0.04 27.85 17:40:01 3 68.66 0.00 3.13 0.11 0.04 28.06 17:50:19 all 61.94 0.00 2.99 0.11 0.04 34.92 17:50:19 0 63.58 0.00 3.18 0.08 0.04 33.12 17:50:19 1 62.35 0.00 2.83 0.07 0.04 34.72 17:50:19 2 60.90 0.00 3.08 0.12 0.04 35.85 17:50:19 3 60.92 0.00 2.89 0.18 0.04 35.97 18:00:19 all 31.13 0.00 1.54 0.05 0.03 67.25 18:00:19 0 31.93 0.00 1.71 0.06 0.03 66.27 18:00:19 1 27.90 0.00 1.34 0.11 0.03 70.63 18:00:19 2 30.27 0.00 1.42 0.02 0.02 68.27 18:00:19 3 34.42 0.00 1.70 0.02 0.04 63.83 Average: all 54.04 0.00 2.49 0.09 0.04 43.35 Average: 0 54.97 0.00 2.48 0.07 0.04 42.45 Average: 1 53.12 0.00 2.27 0.08 0.03 44.49 Average: 2 53.32 0.00 2.62 0.09 0.04 43.93 Average: 3 54.73 0.00 2.57 0.10 0.04 42.55