---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39346 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: 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 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 693 9244 4 6050 14953 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:d8:8c:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84458sec preferred_lft 84458sec inet6 fe80::f816:3eff:fed8:8cab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:94:09:2b:fd:96 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-39346) 07/27/26 _x86_64_ (4 CPU) 12:35:29 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:03 43.64 0.86 26.79 15.99 41.65 5243.27 258549.44 13:00:03 35.04 0.03 31.80 3.21 1.29 6189.21 11781.85 Average: 39.35 0.45 29.29 9.61 21.50 5715.45 135371.97 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:03 8929828 13079416 2873712 17.55 164964 4059500 3043028 17.47 788568 6217008 18924 13:00:03 7126192 12720772 3225524 19.70 192656 5401664 3440228 19.75 1096596 7626916 30636 Average: 8028010 12900094 3049618 18.63 178810 4730582 3241628 18.61 942582 6921962 24780 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:03 lo 853.17 853.17 812.83 812.83 0.00 0.00 0.00 0.00 12:50:03 ens3 115.73 81.33 743.83 17.34 0.00 0.00 0.00 0.00 12:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:03 lo 1367.53 1367.53 1303.50 1303.50 0.00 0.00 0.00 0.00 13:00:03 ens3 62.10 46.02 234.95 13.06 0.00 0.00 0.00 0.00 13:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1109.92 1109.92 1057.75 1057.75 0.00 0.00 0.00 0.00 Average: ens3 88.96 63.71 489.82 15.20 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-39346) 07/27/26 _x86_64_ (4 CPU) 12:35:29 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:03 all 62.57 0.00 2.43 0.15 0.11 34.75 12:50:03 0 61.83 0.00 2.46 0.15 0.11 35.46 12:50:03 1 60.08 0.00 2.08 0.15 0.11 37.58 12:50:03 2 63.51 0.00 2.45 0.06 0.10 33.88 12:50:03 3 64.87 0.00 2.72 0.24 0.11 32.06 13:00:03 all 56.96 0.00 2.37 0.17 0.10 40.40 13:00:03 0 54.27 0.00 2.21 0.25 0.10 43.16 13:00:03 1 56.79 0.00 2.15 0.11 0.10 40.84 13:00:03 2 60.81 0.00 2.82 0.14 0.10 36.13 13:00:03 3 55.95 0.00 2.30 0.16 0.11 41.48 Average: all 59.77 0.00 2.40 0.16 0.10 37.57 Average: 0 58.06 0.00 2.33 0.20 0.11 39.30 Average: 1 58.44 0.00 2.12 0.13 0.10 39.21 Average: 2 62.17 0.00 2.63 0.10 0.10 35.00 Average: 3 60.41 0.00 2.51 0.20 0.11 36.77