---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11697 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 653 10515 4 4821 14993 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:3d:eb:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.50/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83688sec preferred_lft 83688sec inet6 fe80::f816:3eff:fe3d:eb64/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:a6:f8:ea:98:a6 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-11697) 05/07/26 _x86_64_ (4 CPU) 09:37:40 LINUX RESTART (4 CPU) 09:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:14 14.72 2.00 11.79 0.93 126.52 2748.42 1467.76 10:00:19 17.67 0.77 15.03 1.87 27.79 2950.03 2747.99 10:10:19 18.13 0.40 14.57 3.16 13.65 2076.05 3531.60 10:20:01 1.33 0.00 1.33 0.00 0.01 17.73 0.00 Average: 13.07 0.80 10.76 1.50 42.39 1966.46 1953.40 09:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:14 10959988 14217760 1742508 10.64 129328 3263820 2073892 11.90 567256 4480388 19976 10:00:19 8909972 13100680 2851732 17.42 165316 4084012 3100952 17.80 789036 6210856 106840 10:10:19 10807128 15384144 566912 3.46 175436 4438372 1092384 6.27 925696 4145616 52 10:20:01 10797164 15374576 576544 3.52 175800 4438380 1092496 6.27 926448 4145596 28 Average: 10368563 14519290 1434424 8.76 161470 4056146 1839931 10.56 802109 4745614 31724 09:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:14 lo 0.88 0.88 0.09 0.09 0.00 0.00 0.00 0.00 09:50:14 ens3 95.76 77.46 738.37 16.48 0.00 0.00 0.00 0.00 09:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:19 lo 955.08 955.08 910.52 910.52 0.00 0.00 0.00 0.00 10:00:19 ens3 71.55 52.75 323.28 15.81 0.00 0.00 0.00 0.00 10:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:19 lo 1251.50 1251.50 1187.80 1187.80 0.00 0.00 0.00 0.00 10:10:19 ens3 49.34 46.16 117.95 72.09 0.00 0.00 0.00 0.00 10:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 7.70 7.70 0.80 0.80 0.00 0.00 0.00 0.00 10:20:01 ens3 22.08 25.36 9.40 77.38 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 558.37 558.37 529.21 529.21 0.00 0.00 0.00 0.00 Average: ens3 60.05 50.67 300.08 45.09 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-11697) 05/07/26 _x86_64_ (4 CPU) 09:37:40 LINUX RESTART (4 CPU) 09:40:11 CPU %user %nice %system %iowait %steal %idle 09:50:14 all 43.81 0.00 1.57 0.89 0.09 53.64 09:50:14 0 44.10 0.00 1.44 0.69 0.09 53.68 09:50:14 1 43.58 0.00 1.44 0.94 0.09 53.95 09:50:14 2 42.98 0.00 1.72 1.08 0.09 54.13 09:50:14 3 44.59 0.00 1.69 0.85 0.09 52.78 10:00:19 all 63.98 0.00 2.44 3.47 0.11 29.99 10:00:19 0 63.44 0.00 2.31 5.31 0.11 28.83 10:00:19 1 63.68 0.00 2.32 3.59 0.11 30.31 10:00:19 2 64.22 0.00 2.71 2.78 0.11 30.17 10:00:19 3 64.60 0.00 2.41 2.22 0.11 30.66 10:10:19 all 28.17 0.00 1.50 2.59 0.07 67.68 10:10:19 0 27.19 0.00 1.61 3.59 0.07 67.54 10:10:19 1 25.56 0.00 1.58 1.66 0.07 71.14 10:10:19 2 26.21 0.00 1.34 3.27 0.06 69.12 10:10:19 3 33.71 0.00 1.46 1.85 0.08 62.91 10:20:01 all 2.51 0.00 0.11 0.48 0.02 96.88 10:20:01 0 0.48 0.00 0.11 1.59 0.02 97.80 10:20:01 1 6.01 0.00 0.14 0.05 0.02 93.78 10:20:01 2 2.55 0.00 0.12 0.10 0.02 97.21 10:20:01 3 1.00 0.00 0.07 0.18 0.02 98.74 Average: all 34.93 0.00 1.42 1.87 0.07 61.71 Average: 0 34.11 0.00 1.38 2.81 0.07 61.64 Average: 1 34.99 0.00 1.38 1.57 0.07 61.98 Average: 2 34.30 0.00 1.49 1.82 0.07 62.32 Average: 3 36.30 0.00 1.42 1.29 0.07 60.92