---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25184 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 656 10526 4 4805 14990 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:da:45:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.210/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84294sec preferred_lft 84294sec inet6 fe80::f816:3eff:feda:4543/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:43:b4:fd:87:c1 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-25184) 06/05/26 _x86_64_ (4 CPU) 18:16:38 LINUX RESTART (4 CPU) 18:20:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:30:12 7.59 1.97 5.41 0.21 126.27 1520.24 341.91 18:40:12 10.66 0.46 9.06 1.14 18.04 2291.95 2410.09 18:50:12 27.17 0.71 22.38 4.08 23.45 3701.61 3273.77 Average: 15.14 1.04 12.28 1.81 55.92 2504.60 2008.59 18:20:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:30:12 11409892 14389952 1573236 9.61 116484 3019960 2309408 13.26 480056 4121716 43400 18:40:12 9918632 13549324 2407628 14.70 146880 3577168 2622376 15.05 648004 5381596 20840 18:50:12 10819812 15380936 569844 3.48 171616 4422228 1107208 6.36 895012 4146480 168 Average: 10716112 14440071 1516903 9.26 144993 3673119 2012997 11.55 674357 4549931 21469 18:20:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:30:12 lo 0.35 0.35 0.03 0.03 0.00 0.00 0.00 0.00 18:30:12 ens3 62.59 52.04 708.62 8.58 0.00 0.00 0.00 0.00 18:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:12 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 18:40:12 ens3 65.45 52.88 103.08 18.59 0.00 0.00 0.00 0.00 18:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:12 lo 1652.19 1652.19 1563.87 1563.87 0.00 0.00 0.00 0.00 18:50:12 ens3 100.25 90.49 406.52 148.81 0.00 0.00 0.00 0.00 18:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 551.32 551.32 521.35 521.35 0.00 0.00 0.00 0.00 Average: ens3 76.10 65.14 406.07 58.66 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-25184) 06/05/26 _x86_64_ (4 CPU) 18:16:38 LINUX RESTART (4 CPU) 18:20:12 CPU %user %nice %system %iowait %steal %idle 18:30:12 all 16.88 0.00 0.57 0.03 0.04 82.48 18:30:12 0 17.55 0.00 0.51 0.02 0.04 81.89 18:30:12 1 15.76 0.00 0.58 0.04 0.05 83.57 18:30:12 2 16.73 0.00 0.55 0.01 0.03 82.66 18:30:12 3 17.47 0.00 0.64 0.05 0.04 81.82 18:40:12 all 72.67 0.00 2.25 0.03 0.09 24.95 18:40:12 0 73.04 0.00 2.03 0.03 0.10 24.81 18:40:12 1 74.56 0.00 2.53 0.03 0.10 22.78 18:40:12 2 71.12 0.00 2.13 0.03 0.09 26.63 18:40:12 3 71.96 0.00 2.32 0.03 0.09 25.60 18:50:12 all 42.32 0.00 2.01 0.07 0.07 55.53 18:50:12 0 45.03 0.00 1.96 0.06 0.07 52.88 18:50:12 1 39.40 0.00 1.98 0.11 0.07 58.44 18:50:12 2 40.33 0.00 2.23 0.06 0.07 57.31 18:50:12 3 44.54 0.00 1.86 0.03 0.08 53.50 Average: all 43.93 0.00 1.61 0.04 0.07 54.35 Average: 0 45.18 0.00 1.50 0.04 0.07 53.22 Average: 1 43.23 0.00 1.70 0.06 0.07 54.94 Average: 2 42.70 0.00 1.64 0.03 0.07 55.56 Average: 3 44.63 0.00 1.60 0.04 0.07 53.66