---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1572 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5599.94 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 612 9042 4 6334 15034 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:28:8e:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84294sec preferred_lft 84294sec inet6 fe80::f816:3eff:fe28:8e5b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:86:c8:12:3d:c5 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1572) 04/09/26 _x86_64_ (4 CPU) 22:18:51 LINUX RESTART (4 CPU) 22:20:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:30:07 37.09 4.00 30.04 3.04 205.86 9674.31 5133.97 22:40:01 25.74 0.01 23.03 2.69 0.19 2252.31 8231.06 22:50:08 22.05 0.31 19.35 2.39 11.57 8370.39 4847.63 Average: 28.19 1.42 24.07 2.70 71.31 6760.98 6067.04 22:20:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:30:07 10254004 13637116 2322340 14.18 132944 3385488 2431860 13.96 642956 5100756 13940 22:40:01 9273200 13068504 2887632 17.64 152784 3743288 3109532 17.85 751392 5939384 27748 22:50:08 9285024 15410792 538664 3.29 177316 5969488 1119668 6.43 1553548 5037052 35372 Average: 9604076 14038804 1916212 11.70 154348 4366088 2220353 12.74 982632 5359064 25687 22:20:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:30:07 lo 1542.81 1542.81 1465.00 1465.00 0.00 0.00 0.00 0.00 22:30:07 ens3 132.10 102.80 1072.83 21.59 0.00 0.00 0.00 0.00 22:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:01 lo 1045.49 1045.49 995.62 995.62 0.00 0.00 0.00 0.00 22:40:01 ens3 38.95 31.18 23.39 10.91 0.00 0.00 0.00 0.00 22:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:08 lo 738.81 738.81 7231.68 7231.68 0.00 0.00 0.00 0.00 22:50:08 ens3 39.12 32.58 116.07 13.95 0.00 0.00 0.00 0.00 22:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1103.71 1103.71 3271.35 3271.35 0.00 0.00 0.00 0.00 Average: ens3 69.46 55.07 398.04 15.43 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1572) 04/09/26 _x86_64_ (4 CPU) 22:18:51 LINUX RESTART (4 CPU) 22:20:23 CPU %user %nice %system %iowait %steal %idle 22:30:07 all 54.19 0.00 2.23 0.23 0.07 43.27 22:30:07 0 53.10 0.00 2.02 0.19 0.07 44.62 22:30:07 1 54.56 0.00 2.53 0.33 0.07 42.50 22:30:07 2 53.66 0.00 1.96 0.23 0.07 44.07 22:30:07 3 55.46 0.00 2.39 0.19 0.07 41.89 22:40:01 all 65.19 0.00 2.31 0.12 0.09 32.30 22:40:01 0 65.19 0.00 2.38 0.14 0.09 32.20 22:40:01 1 64.63 0.00 2.19 0.16 0.09 32.93 22:40:01 2 65.27 0.00 2.23 0.06 0.09 32.35 22:40:01 3 65.65 0.00 2.43 0.13 0.09 31.70 22:50:08 all 43.78 0.00 1.67 0.65 0.08 53.83 22:50:08 0 47.31 0.00 1.56 0.91 0.08 50.14 22:50:08 1 39.92 0.00 1.75 0.56 0.08 57.69 22:50:08 2 40.86 0.00 1.74 0.23 0.08 57.09 22:50:08 3 47.04 0.00 1.62 0.89 0.08 50.37 Average: all 54.31 0.00 2.06 0.34 0.08 43.21 Average: 0 55.15 0.00 1.98 0.42 0.08 42.37 Average: 1 52.94 0.00 2.15 0.35 0.08 44.48 Average: 2 53.15 0.00 1.98 0.17 0.08 44.62 Average: 3 55.98 0.00 2.14 0.41 0.08 41.39