---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26830 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 669 8666 4 6653 14977 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:f1:a8:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.224/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84155sec preferred_lft 84155sec inet6 fe80::f816:3eff:fef1:a8ba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:d7:0a:34:13:3f 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-26830) 06/12/26 _x86_64_ (4 CPU) 05:23:21 LINUX RESTART (4 CPU) 05:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:00 25.97 0.38 22.66 2.93 16.87 2240.06 6013.17 05:50:09 31.78 0.01 28.58 3.20 0.21 2947.63 17248.57 06:00:09 12.99 0.33 11.22 1.44 14.29 7206.32 1450.17 Average: 23.61 0.24 20.85 2.52 10.38 4133.18 8289.54 05:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:00 9339168 13216032 2740680 16.74 144280 3841408 3212172 18.44 829820 5789912 35932 05:50:09 7738444 12643860 3307844 20.20 163336 4802832 3427440 19.67 1112652 7066040 484716 06:00:09 8937132 15393192 553120 3.38 181352 6283880 1095596 6.29 1702348 5210172 11408 Average: 8671581 13751028 2200548 13.44 162989 4976040 2578403 14.80 1214940 6022041 177352 05:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:00 lo 1439.27 1439.27 1365.18 1365.18 0.00 0.00 0.00 0.00 05:40:00 ens3 52.30 41.33 55.09 14.45 0.00 0.00 0.00 0.00 05:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:09 lo 1460.39 1460.39 1391.26 1391.26 0.00 0.00 0.00 0.00 05:50:09 ens3 45.85 34.21 40.78 12.36 0.00 0.00 0.00 0.00 05:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:09 lo 368.63 368.63 6844.38 6844.38 0.00 0.00 0.00 0.00 06:00:09 ens3 90.16 97.41 117.16 1003.82 0.00 0.00 0.00 0.00 06:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1089.82 1089.82 3198.88 3198.88 0.00 0.00 0.00 0.00 Average: ens3 62.73 57.61 70.92 343.26 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-26830) 06/12/26 _x86_64_ (4 CPU) 05:23:21 LINUX RESTART (4 CPU) 05:30:07 CPU %user %nice %system %iowait %steal %idle 05:40:00 all 68.40 0.00 2.73 0.05 0.09 28.73 05:40:00 0 67.00 0.00 2.22 0.05 0.09 30.64 05:40:00 1 68.35 0.00 2.87 0.05 0.09 28.65 05:40:00 2 71.30 0.00 3.16 0.04 0.09 25.42 05:40:00 3 66.98 0.00 2.66 0.07 0.09 30.20 05:50:09 all 62.42 0.00 2.47 0.09 0.09 34.93 05:50:09 0 61.34 0.00 2.43 0.09 0.09 36.05 05:50:09 1 63.12 0.00 2.60 0.10 0.09 34.08 05:50:09 2 62.88 0.00 2.40 0.12 0.09 34.52 05:50:09 3 62.34 0.00 2.46 0.04 0.09 35.07 06:00:09 all 26.40 0.00 1.00 0.13 0.07 72.40 06:00:09 0 20.03 0.00 1.14 0.17 0.07 78.60 06:00:09 1 36.75 0.00 1.01 0.16 0.08 62.01 06:00:09 2 25.60 0.00 0.93 0.12 0.07 73.28 06:00:09 3 23.23 0.00 0.93 0.08 0.07 75.70 Average: all 52.36 0.00 2.06 0.09 0.08 45.40 Average: 0 49.39 0.00 1.93 0.10 0.08 48.50 Average: 1 56.02 0.00 2.16 0.10 0.09 41.63 Average: 2 53.21 0.00 2.16 0.09 0.08 44.46 Average: 3 50.82 0.00 2.01 0.06 0.08 47.02