---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6614 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 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 673 8851 4 6464 14973 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:65:45:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.113/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84176sec preferred_lft 84176sec inet6 fe80::f816:3eff:fe65:45e7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:d3:97:6d:38:29 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-6614) 03/21/26 _x86_64_ (4 CPU) 05:23:30 LINUX RESTART (4 CPU) 05:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 26.53 0.43 23.02 3.08 19.33 2884.13 5951.59 05:50:13 31.69 0.01 28.49 3.19 0.21 3136.94 14390.40 06:00:08 12.75 0.33 10.68 1.73 14.44 7023.56 1100.82 Average: 23.72 0.25 20.80 2.67 11.20 4340.72 7218.85 05:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 8956512 12637828 3319136 20.27 144780 3651564 3470448 19.92 755908 6267764 21940 05:50:13 7605672 12321960 3630012 22.17 170092 4612928 3698376 21.23 1045096 7273032 407360 06:00:08 9128128 15391288 555228 3.39 187080 6092652 1069852 6.14 1640960 5092412 14248 Average: 8563437 13450359 2501459 15.28 167317 4785715 2746225 15.76 1147321 6211069 147849 05:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1434.97 1434.97 1361.19 1361.19 0.00 0.00 0.00 0.00 05:40:01 ens3 54.61 43.76 56.81 14.78 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 05:50:13 lo 1311.71 1311.71 1248.72 1248.72 0.00 0.00 0.00 0.00 05:50:13 ens3 47.28 35.87 41.09 12.68 0.00 0.00 0.00 0.00 05:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:08 lo 249.98 249.98 6896.84 6896.84 0.00 0.00 0.00 0.00 06:00:08 ens3 93.20 102.35 119.19 1013.69 0.00 0.00 0.00 0.00 06:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1000.67 1000.67 3155.67 3155.67 0.00 0.00 0.00 0.00 Average: ens3 64.89 60.47 72.11 344.79 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-6614) 03/21/26 _x86_64_ (4 CPU) 05:23:30 LINUX RESTART (4 CPU) 05:30:11 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 67.60 0.00 2.50 0.10 0.11 29.69 05:40:01 0 67.96 0.00 2.75 0.09 0.12 29.07 05:40:01 1 68.07 0.00 2.25 0.14 0.11 29.44 05:40:01 2 67.48 0.00 2.73 0.08 0.12 29.59 05:40:01 3 66.89 0.00 2.27 0.08 0.11 30.65 05:50:13 all 61.95 0.00 2.47 0.12 0.10 35.35 05:50:13 0 61.85 0.00 2.39 0.21 0.10 35.44 05:50:13 1 62.47 0.00 2.47 0.10 0.10 34.86 05:50:13 2 61.16 0.00 2.65 0.12 0.10 35.98 05:50:13 3 62.33 0.00 2.39 0.08 0.10 35.09 06:00:08 all 27.96 0.00 0.99 0.23 0.06 70.75 06:00:08 0 36.43 0.00 1.05 0.36 0.07 62.09 06:00:08 1 20.16 0.00 0.87 0.10 0.06 78.80 06:00:08 2 31.51 0.00 0.89 0.29 0.06 67.24 06:00:08 3 23.76 0.00 1.15 0.18 0.06 74.85 Average: all 52.53 0.00 1.99 0.15 0.09 45.23 Average: 0 55.43 0.00 2.07 0.22 0.10 42.18 Average: 1 50.27 0.00 1.86 0.11 0.09 47.66 Average: 2 53.40 0.00 2.09 0.16 0.09 44.25 Average: 3 51.03 0.00 1.94 0.11 0.09 46.82