---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34591 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 11G 68G 14% / 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 648 10506 4 4833 14998 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:ac:31:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84292sec preferred_lft 84292sec inet6 fe80::f816:3eff:feac:3196/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:51:09:ad:7a:83 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-34591) 07/10/26 _x86_64_ (4 CPU) 15:26:37 LINUX RESTART (4 CPU) 15:30:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 27.23 2.01 11.16 14.06 129.14 3152.86 245954.85 15:50:22 9.71 0.47 8.28 0.96 17.92 1737.35 2695.45 16:00:01 29.88 0.56 25.03 4.28 21.95 3642.65 5362.27 Average: 22.00 1.00 14.66 6.34 55.75 2819.78 83448.43 15:30:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 10671520 13885592 2075704 12.68 124628 3224428 2358944 13.54 533316 4801360 29492 15:50:22 8930108 12724480 3230940 19.73 152112 3719464 3352608 19.24 685736 6304360 81816 16:00:01 10797088 15386976 563000 3.44 171952 4449404 1122716 6.44 901240 4167784 372 Average: 10132905 13999016 1956548 11.95 149564 3797765 2278089 13.08 706764 5091168 37227 15:30:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 0.69 0.69 0.07 0.07 0.00 0.00 0.00 0.00 15:40:01 ens3 72.60 60.98 664.28 12.91 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:22 lo 1.35 1.35 0.13 0.13 0.00 0.00 0.00 0.00 15:50:22 ens3 51.26 42.92 99.33 14.90 0.00 0.00 0.00 0.00 15:50:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 lo 2045.36 2045.36 1938.64 1938.64 0.00 0.00 0.00 0.00 16:00:01 ens3 95.28 85.79 365.40 152.68 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 663.65 663.65 628.44 628.44 0.00 0.00 0.00 0.00 Average: ens3 72.54 62.75 371.10 58.90 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-34591) 07/10/26 _x86_64_ (4 CPU) 15:26:37 LINUX RESTART (4 CPU) 15:30:14 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 43.07 0.00 1.49 0.54 0.14 54.76 15:40:01 0 43.18 0.00 1.57 0.22 0.14 54.89 15:40:01 1 44.34 0.00 1.28 0.37 0.14 53.87 15:40:01 2 43.51 0.00 1.23 0.76 0.13 54.37 15:40:01 3 41.25 0.00 1.86 0.83 0.14 55.92 15:50:22 all 69.63 0.00 2.26 0.93 0.32 26.85 15:50:22 0 70.03 0.00 2.59 1.49 0.28 25.60 15:50:22 1 69.20 0.00 1.98 0.46 0.49 27.88 15:50:22 2 69.67 0.00 2.42 0.54 0.28 27.10 15:50:22 3 69.63 0.00 2.05 1.25 0.25 26.82 16:00:01 all 41.71 0.00 2.30 2.74 0.15 53.10 16:00:01 0 41.31 0.00 2.21 4.09 0.15 52.24 16:00:01 1 42.44 0.00 2.62 3.94 0.16 50.83 16:00:01 2 41.28 0.00 2.06 1.85 0.15 54.66 16:00:01 3 41.82 0.00 2.28 1.08 0.14 54.67 Average: all 51.85 0.00 2.02 1.39 0.21 44.53 Average: 0 51.89 0.00 2.14 1.92 0.19 43.87 Average: 1 52.37 0.00 1.96 1.56 0.27 43.85 Average: 2 51.87 0.00 1.91 1.03 0.19 44.99 Average: 3 51.29 0.00 2.06 1.06 0.18 45.41