---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-453 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 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 603 8734 4 6652 15043 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:71:d6:a5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.63/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84431sec preferred_lft 84431sec inet6 fe80::f816:3eff:fe71:d6a5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:63:60:63:1d:45 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-453) 01/15/26 _x86_64_ (4 CPU) 10:37:47 LINUX RESTART (4 CPU) 10:40:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:23 39.77 3.36 21.36 15.05 740.26 3582.64 259828.72 11:00:28 27.21 0.03 24.11 3.08 0.42 2255.05 22671.00 11:10:28 35.09 0.20 30.30 4.60 12.85 9230.81 21815.88 Average: 34.02 1.20 25.24 7.58 251.81 5010.30 101651.09 10:40:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:23 10160332 13696888 2263168 13.82 125336 3560644 2566592 14.73 824072 5036456 8884 11:00:28 9111568 13082348 2873516 17.55 146292 3935876 3062044 17.58 953904 5902720 24008 11:10:28 8921896 15377976 568428 3.47 174948 6307208 1119408 6.43 1809188 5149460 13936 Average: 9397932 14052404 1901704 11.61 148859 4601243 2249348 12.91 1195721 5362879 15609 10:40:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:23 lo 690.35 690.35 655.41 655.41 0.00 0.00 0.00 0.00 10:50:23 ens3 112.20 83.03 1043.74 15.96 0.00 0.00 0.00 0.00 10:50:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:28 lo 1396.58 1396.58 1325.53 1325.53 0.00 0.00 0.00 0.00 11:00:28 ens3 43.70 35.08 23.55 12.52 0.00 0.00 0.00 0.00 11:00:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:28 lo 819.99 819.99 769.55 769.55 0.00 0.00 0.00 0.00 11:10:28 ens3 113.30 117.57 166.84 1057.12 0.00 0.00 0.00 0.00 11:10:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 969.48 969.48 917.33 917.33 0.00 0.00 0.00 0.00 Average: ens3 89.66 78.44 412.00 359.82 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-453) 01/15/26 _x86_64_ (4 CPU) 10:37:47 LINUX RESTART (4 CPU) 10:40:18 CPU %user %nice %system %iowait %steal %idle 10:50:23 all 33.76 0.00 1.65 0.16 0.06 64.36 10:50:23 0 34.29 0.00 1.69 0.18 0.06 63.79 10:50:23 1 33.56 0.00 1.64 0.20 0.06 64.54 10:50:23 2 32.80 0.00 1.66 0.10 0.06 65.37 10:50:23 3 34.40 0.00 1.61 0.18 0.07 63.74 11:00:28 all 65.86 0.00 2.39 0.05 0.10 31.60 11:00:28 0 65.65 0.00 2.14 0.02 0.10 32.09 11:00:28 1 65.05 0.00 2.62 0.09 0.10 32.13 11:00:28 2 66.06 0.00 2.33 0.05 0.10 31.46 11:00:28 3 66.67 0.00 2.47 0.05 0.10 30.71 11:10:28 all 40.92 0.00 1.89 0.19 0.07 56.93 11:10:28 0 38.60 0.00 1.84 0.05 0.07 59.44 11:10:28 1 50.94 0.00 1.91 0.10 0.07 46.98 11:10:28 2 34.52 0.00 1.91 0.30 0.07 63.20 11:10:28 3 39.64 0.00 1.90 0.32 0.07 58.07 Average: all 46.86 0.00 1.98 0.14 0.08 50.95 Average: 0 46.20 0.00 1.89 0.08 0.07 51.75 Average: 1 49.84 0.00 2.06 0.13 0.08 47.90 Average: 2 44.48 0.00 1.97 0.15 0.08 53.33 Average: 3 46.93 0.00 1.99 0.18 0.08 50.82