---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-46824 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: 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 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 694 8151 4 7142 14951 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:00:8e:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83656sec preferred_lft 83656sec inet6 fe80::f816:3eff:fe00:8ee6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:ff:cc:8c:46:b2 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-46824) 09/02/26 _x86_64_ (4 CPU) 07:56:56 LINUX RESTART (4 CPU) 08:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:19 17.99 2.83 13.74 1.41 157.61 3039.82 1575.97 08:20:19 24.46 0.03 21.68 2.76 0.33 2246.73 6617.17 08:30:01 26.88 0.03 24.20 2.64 0.91 4207.07 7433.79 08:40:18 10.34 0.16 8.97 1.20 10.13 7272.25 2051.73 Average: 19.78 0.78 17.01 1.99 43.18 4204.54 4359.00 08:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:19 9738208 13160892 2799216 17.10 131352 3428616 2802848 16.09 592748 5664984 24104 08:20:19 9169892 13130604 2824520 17.25 155688 3897060 2915992 16.74 748668 6040704 101560 08:30:01 7499656 12360224 3590868 21.93 175352 4737692 3381716 19.41 1023304 7379820 388 08:40:18 8404908 15359404 584496 3.57 190592 6749176 1145188 6.57 1790308 5609796 168 Average: 8703166 13502781 2449775 14.96 163246 4703136 2561436 14.70 1038757 6173826 31555 08:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:19 lo 745.89 745.89 710.41 710.41 0.00 0.00 0.00 0.00 08:10:19 ens3 106.50 88.68 1057.32 17.00 0.00 0.00 0.00 0.00 08:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:19 lo 1550.55 1550.55 1472.23 1472.23 0.00 0.00 0.00 0.00 08:20:19 ens3 29.91 25.11 22.03 10.99 0.00 0.00 0.00 0.00 08:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 1236.08 1236.08 1172.56 1172.56 0.00 0.00 0.00 0.00 08:30:01 ens3 30.90 24.79 28.62 10.91 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:18 lo 2474.91 2474.91 9033.26 9033.26 0.00 0.00 0.00 0.00 08:40:18 ens3 55.16 60.77 133.57 601.01 0.00 0.00 0.00 0.00 08:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1505.18 1505.18 3136.05 3136.05 0.00 0.00 0.00 0.00 Average: ens3 56.18 50.39 316.80 163.17 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-46824) 09/02/26 _x86_64_ (4 CPU) 07:56:56 LINUX RESTART (4 CPU) 08:00:01 CPU %user %nice %system %iowait %steal %idle 08:10:19 all 29.16 0.00 1.41 0.07 0.01 69.35 08:10:19 0 28.20 0.00 1.29 0.03 0.01 70.47 08:10:19 1 28.62 0.00 1.57 0.12 0.01 69.69 08:10:19 2 30.13 0.00 1.45 0.09 0.01 68.32 08:10:19 3 29.68 0.00 1.33 0.04 0.01 68.93 08:20:19 all 64.33 0.00 2.61 0.05 0.02 32.99 08:20:19 0 63.74 0.00 2.31 0.09 0.02 33.84 08:20:19 1 63.25 0.00 2.66 0.04 0.02 34.04 08:20:19 2 63.88 0.00 2.64 0.06 0.02 33.39 08:20:19 3 66.43 0.00 2.82 0.03 0.02 30.70 08:30:01 all 49.34 0.00 2.29 0.10 0.02 48.26 08:30:01 0 48.44 0.00 2.35 0.09 0.02 49.10 08:30:01 1 49.33 0.00 2.35 0.07 0.02 48.23 08:30:01 2 50.52 0.00 2.41 0.09 0.02 46.96 08:30:01 3 49.05 0.00 2.04 0.14 0.02 48.74 08:40:18 all 32.96 0.00 1.50 0.13 0.02 65.38 08:40:18 0 35.07 0.00 1.40 0.11 0.02 63.40 08:40:18 1 30.82 0.00 1.93 0.29 0.02 66.93 08:40:18 2 32.91 0.00 1.48 0.11 0.02 65.49 08:40:18 3 33.04 0.00 1.20 0.02 0.02 65.72 Average: all 43.71 0.00 1.94 0.09 0.02 54.24 Average: 0 43.64 0.00 1.82 0.08 0.02 54.43 Average: 1 42.76 0.00 2.12 0.13 0.02 54.97 Average: 2 44.13 0.00 1.98 0.09 0.02 53.78 Average: 3 44.31 0.00 1.84 0.06 0.02 53.78