---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34172 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 13G 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 680 8601 4 6706 14965 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:9d:b0:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.113/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83932sec preferred_lft 83932sec inet6 fe80::f816:3eff:fe9d:b0e0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:07:74:e8:ec:00 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-34172) 07/09/26 _x86_64_ (4 CPU) 05:23:09 LINUX RESTART (4 CPU) 05:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 29.04 0.42 25.51 3.10 19.06 3149.90 7692.67 05:50:00 32.85 0.01 29.46 3.38 0.21 3004.40 17152.38 06:00:01 14.00 0.16 12.39 1.45 10.19 7041.11 37908.23 Average: 25.28 0.20 22.44 2.64 9.82 4402.60 20943.26 05:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 8953180 12904132 3050948 18.63 148320 3892644 3076084 17.66 760548 6237104 17096 05:50:00 7571820 12533884 3416716 20.87 167976 4837584 3382096 19.41 1038296 7286516 444124 06:00:01 8860188 15369496 575312 3.51 184020 6317476 1084968 6.23 1624236 5338372 10228 Average: 8461729 13602504 2347659 14.34 166772 5015901 2514383 14.43 1141027 6287331 157149 05:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1434.56 1434.56 1360.68 1360.68 0.00 0.00 0.00 0.00 05:40:01 ens3 55.33 43.34 57.41 14.28 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 05:50:00 lo 1430.43 1430.43 1362.43 1362.43 0.00 0.00 0.00 0.00 05:50:00 ens3 47.79 37.35 40.53 12.86 0.00 0.00 0.00 0.00 05:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 lo 369.50 369.50 6828.32 6828.32 0.00 0.00 0.00 0.00 06:00:01 ens3 86.56 96.75 116.43 1001.77 0.00 0.00 0.00 0.00 06:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1077.06 1077.06 3189.48 3189.48 0.00 0.00 0.00 0.00 Average: ens3 63.26 59.21 71.53 343.99 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-34172) 07/09/26 _x86_64_ (4 CPU) 05:23:09 LINUX RESTART (4 CPU) 05:30:02 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 70.13 0.00 2.46 0.09 0.10 27.22 05:40:01 0 68.91 0.00 2.26 0.05 0.10 28.68 05:40:01 1 69.84 0.00 2.26 0.10 0.10 27.70 05:40:01 2 70.36 0.00 2.77 0.08 0.10 26.69 05:40:01 3 71.40 0.00 2.55 0.13 0.09 25.82 05:50:00 all 61.00 0.00 2.47 0.78 0.10 35.65 05:50:00 0 61.26 0.00 2.66 0.62 0.10 35.37 05:50:00 1 59.51 0.00 2.51 0.50 0.10 37.37 05:50:00 2 64.81 0.00 2.61 1.28 0.10 31.19 05:50:00 3 58.41 0.00 2.10 0.74 0.10 38.65 06:00:01 all 26.66 0.00 1.05 4.37 0.08 67.84 06:00:01 0 16.52 0.00 1.08 4.28 0.07 78.05 06:00:01 1 33.48 0.00 1.39 6.16 0.09 58.87 06:00:01 2 26.76 0.00 1.03 6.13 0.07 66.01 06:00:01 3 29.94 0.00 0.72 0.92 0.07 68.36 Average: all 52.52 0.00 1.99 1.76 0.09 43.64 Average: 0 48.77 0.00 2.00 1.66 0.09 47.49 Average: 1 54.24 0.00 2.05 2.26 0.10 41.35 Average: 2 53.91 0.00 2.13 2.51 0.09 41.36 Average: 3 53.18 0.00 1.79 0.60 0.09 44.34