---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38962 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 nrip_save 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 637 8709 4 6641 15008 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:4f:49:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.221/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84127sec preferred_lft 84127sec inet6 fe80::f816:3eff:fe4f:49b1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:11:b3:d5:a5:92 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-38962) 08/20/26 _x86_64_ (4 CPU) 05:23:16 LINUX RESTART (4 CPU) 05:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 28.51 1.07 24.32 3.12 47.74 4199.11 7616.85 05:50:02 33.45 0.01 29.96 3.48 0.49 2623.61 12619.14 06:00:03 11.22 0.16 9.83 1.23 10.31 7824.72 1092.87 Average: 24.38 0.41 21.36 2.61 19.43 4883.54 7110.15 05:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 9462644 13240596 2716928 16.59 143152 3745956 2933804 16.84 711032 5809288 5052 05:50:02 8850040 13097308 2856624 17.45 165656 4158524 3236896 18.58 834368 6239288 44548 06:00:03 9004884 15446680 499324 3.05 182812 6265548 1010908 5.80 1615444 5200844 2532 Average: 9105856 13928195 2024292 12.36 163873 4723343 2393869 13.74 1053615 5749807 17377 05:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1567.37 1567.37 1487.46 1487.46 0.00 0.00 0.00 0.00 05:40:01 ens3 86.49 64.26 479.79 16.32 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:02 lo 1676.12 1676.12 1597.29 1597.29 0.00 0.00 0.00 0.00 05:50:02 ens3 41.48 34.89 40.55 11.99 0.00 0.00 0.00 0.00 05:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:03 lo 370.11 370.11 6833.33 6833.33 0.00 0.00 0.00 0.00 06:00:03 ens3 83.57 95.35 123.33 1011.22 0.00 0.00 0.00 0.00 06:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1203.71 1203.71 3310.35 3310.35 0.00 0.00 0.00 0.00 Average: ens3 70.46 64.83 213.78 347.29 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-38962) 08/20/26 _x86_64_ (4 CPU) 05:23:16 LINUX RESTART (4 CPU) 05:30:04 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 69.46 0.00 2.57 0.05 0.10 27.81 05:40:01 0 69.63 0.00 2.61 0.09 0.10 27.58 05:40:01 1 70.36 0.00 2.63 0.05 0.11 26.86 05:40:01 2 69.57 0.00 2.49 0.05 0.10 27.80 05:40:01 3 68.30 0.00 2.57 0.04 0.11 28.98 05:50:02 all 65.12 0.00 2.64 0.07 0.10 32.08 05:50:02 0 66.02 0.00 2.70 0.04 0.10 31.14 05:50:02 1 66.14 0.00 2.82 0.11 0.10 30.82 05:50:02 2 63.42 0.00 2.46 0.05 0.10 33.98 05:50:02 3 64.89 0.00 2.57 0.08 0.10 32.37 06:00:03 all 30.84 0.00 1.16 0.10 0.08 67.82 06:00:03 0 27.01 0.00 1.36 0.14 0.07 71.41 06:00:03 1 27.62 0.00 1.16 0.14 0.08 71.01 06:00:03 2 34.56 0.00 1.21 0.07 0.08 64.07 06:00:03 3 34.18 0.00 0.93 0.07 0.07 64.75 Average: all 55.08 0.00 2.12 0.08 0.09 42.63 Average: 0 54.14 0.00 2.22 0.09 0.09 43.46 Average: 1 54.63 0.00 2.20 0.10 0.09 42.98 Average: 2 55.80 0.00 2.05 0.05 0.09 42.00 Average: 3 55.75 0.00 2.02 0.06 0.09 42.07