---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-472852 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 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 12G 67G 15% / 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 661 9482 4 5845 14985 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:32:5a:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84187sec preferred_lft 84187sec inet6 fe80::f816:3eff:fe32:5aed/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:3d:3b:77:1b:1d 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-472852) 03/14/26 _x86_64_ (4 CPU) 15:05:51 LINUX RESTART (4 CPU) 15:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:20:01 23.33 2.58 18.12 2.63 148.68 3385.82 24140.29 15:30:06 10.64 0.01 8.84 1.79 0.07 683.46 40237.32 15:40:06 49.79 0.42 30.54 18.83 14.61 8067.25 238302.80 Average: 27.88 1.00 19.14 7.75 53.99 4037.12 100943.46 15:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:01 9701604 13022712 2937328 17.94 125448 3326788 3188648 18.30 654588 5629912 1376 15:30:06 9605792 13105056 2853540 17.43 137916 3475080 3135668 18.00 696080 5677896 16400 15:40:06 9736092 15364756 583016 3.56 174364 5469476 1083092 6.22 1569408 4548408 288 Average: 9681163 13830841 2124628 12.98 145909 4090448 2469136 14.17 973359 5285405 6021 15:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:20:01 lo 6.84 6.84 1.50 1.50 0.00 0.00 0.00 0.00 15:20:01 ens3 74.49 60.44 646.92 11.72 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:06 lo 55.76 55.76 14.25 14.25 0.00 0.00 0.00 0.00 15:30:06 ens3 8.31 6.59 4.82 2.18 0.00 0.00 0.00 0.00 15:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:06 lo 2427.46 2427.46 2337.16 2337.16 0.00 0.00 0.00 0.00 15:40:06 ens3 86.06 71.24 471.71 163.32 0.00 0.00 0.00 0.00 15:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 830.17 830.17 784.34 784.34 0.00 0.00 0.00 0.00 Average: ens3 56.08 45.92 372.49 59.04 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-472852) 03/14/26 _x86_64_ (4 CPU) 15:05:51 LINUX RESTART (4 CPU) 15:10:06 CPU %user %nice %system %iowait %steal %idle 15:20:01 all 29.97 0.00 1.10 0.18 0.06 68.69 15:20:01 0 29.65 0.00 0.97 0.09 0.06 69.22 15:20:01 1 30.19 0.00 1.32 0.29 0.07 68.13 15:20:01 2 28.38 0.00 0.87 0.18 0.07 70.50 15:20:01 3 31.64 0.00 1.23 0.16 0.07 66.90 15:30:06 all 16.99 0.00 0.84 0.07 0.08 82.01 15:30:06 0 16.26 0.00 0.84 0.11 0.08 82.71 15:30:06 1 17.23 0.00 0.90 0.04 0.08 81.75 15:30:06 2 17.19 0.00 0.88 0.02 0.08 81.84 15:30:06 3 17.29 0.00 0.76 0.12 0.08 81.75 15:40:06 all 48.78 0.00 2.52 0.26 0.09 48.35 15:40:06 0 48.83 0.00 2.52 0.45 0.09 48.11 15:40:06 1 47.44 0.00 2.46 0.16 0.08 49.86 15:40:06 2 49.47 0.00 2.23 0.26 0.09 47.95 15:40:06 3 49.39 0.00 2.89 0.17 0.09 47.46 Average: all 31.87 0.00 1.49 0.17 0.08 66.40 Average: 0 31.53 0.00 1.44 0.22 0.08 66.74 Average: 1 31.57 0.00 1.56 0.16 0.08 66.63 Average: 2 31.63 0.00 1.32 0.15 0.08 66.81 Average: 3 32.73 0.00 1.63 0.15 0.08 65.42