---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1823 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: 5600.00 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 689 10475 4 4824 14957 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:07:7b:58 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83466sec preferred_lft 83466sec inet6 fe80::f816:3eff:fe07:7b58/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:aa:49:5b:f2:3a 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-1823) 08/03/26 _x86_64_ (4 CPU) 18:49:05 LINUX RESTART (4 CPU) 18:50:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:00:01 11.54 0.96 10.05 0.52 41.36 2043.88 708.79 19:10:01 1.60 0.00 1.59 0.00 0.04 27.10 0.00 19:20:04 11.17 1.91 8.67 0.59 123.55 2452.04 1008.08 19:30:13 38.98 0.77 21.37 16.85 27.68 3234.32 242571.37 Average: 15.92 0.91 10.46 4.55 48.19 1944.09 61969.50 18:50:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:00:01 13041184 15510628 464000 2.83 98056 2560516 986832 5.66 339160 2664768 312 19:10:01 13039380 15510248 464276 2.84 99212 2560652 986928 5.66 340304 2669700 328 19:20:04 10847460 14100472 1860088 11.36 128572 3253612 2455968 14.10 540932 4603292 22644 19:30:13 9103532 13303664 2648816 16.18 166784 4084260 3057160 17.55 773100 6040340 83932 Average: 11507889 14606253 1359295 8.30 123156 3114760 1871722 10.74 498374 3994525 26804 18:50:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:00:01 lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 19:00:01 ens3 21.88 17.34 263.66 3.07 0.00 0.00 0.00 0.00 19:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:10:01 ens3 8.91 7.33 98.72 0.80 0.00 0.00 0.00 0.00 19:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:04 lo 0.82 0.82 0.08 0.08 0.00 0.00 0.00 0.00 19:20:04 ens3 78.20 63.34 620.29 14.11 0.00 0.00 0.00 0.00 19:20:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:13 lo 1384.91 1384.91 1319.44 1319.44 0.00 0.00 0.00 0.00 19:30:13 ens3 99.37 72.35 328.19 20.33 0.00 0.00 0.00 0.00 19:30:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 351.66 351.66 334.78 334.78 0.00 0.00 0.00 0.00 Average: ens3 52.43 40.34 328.31 9.65 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-1823) 08/03/26 _x86_64_ (4 CPU) 18:49:05 LINUX RESTART (4 CPU) 18:50:13 CPU %user %nice %system %iowait %steal %idle 19:00:01 all 1.67 0.00 0.21 0.19 0.02 97.90 19:00:01 0 0.27 0.00 0.11 0.36 0.01 99.24 19:00:01 1 0.63 0.00 0.19 0.33 0.03 98.82 19:00:01 2 1.54 0.00 0.16 0.02 0.03 98.25 19:00:01 3 4.24 0.00 0.37 0.06 0.02 95.31 19:10:01 all 0.31 0.00 0.04 0.01 0.02 99.63 19:10:01 0 0.04 0.00 0.02 0.03 0.01 99.90 19:10:01 1 0.96 0.00 0.06 0.00 0.03 98.95 19:10:01 2 0.03 0.00 0.03 0.00 0.02 99.92 19:10:01 3 0.19 0.00 0.05 0.00 0.01 99.74 19:20:04 all 42.81 0.00 1.36 0.04 0.08 55.71 19:20:04 0 42.88 0.00 1.44 0.05 0.07 55.55 19:20:04 1 42.23 0.00 1.33 0.03 0.08 56.33 19:20:04 2 43.49 0.00 1.36 0.05 0.08 55.02 19:20:04 3 42.63 0.00 1.33 0.03 0.08 55.94 19:30:13 all 69.43 0.00 2.73 0.05 0.11 27.68 19:30:13 0 69.36 0.00 2.51 0.04 0.11 28.00 19:30:13 1 69.53 0.00 2.80 0.07 0.11 27.50 19:30:13 2 70.52 0.00 2.65 0.03 0.11 26.69 19:30:13 3 68.30 0.00 2.98 0.06 0.10 28.55 Average: all 28.80 0.00 1.09 0.07 0.06 69.98 Average: 0 28.40 0.00 1.03 0.12 0.05 70.40 Average: 1 28.56 0.00 1.10 0.11 0.06 70.17 Average: 2 29.15 0.00 1.06 0.03 0.06 69.70 Average: 3 29.08 0.00 1.19 0.04 0.05 69.64