---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1219 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 698 10470 4 4819 14948 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:11:7c:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83855sec preferred_lft 83855sec inet6 fe80::f816:3eff:fe11:7c55/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:5f:6c:57:63:73 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-1219) 08/01/26 _x86_64_ (4 CPU) 15:47:24 LINUX RESTART (4 CPU) 15:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:16 2.26 0.04 2.20 0.01 2.21 48.60 0.64 16:10:01 11.78 1.97 9.08 0.72 127.18 2661.61 985.20 16:20:03 27.58 0.77 23.15 3.66 27.87 3277.60 6166.04 Average: 13.90 0.92 11.51 1.47 51.76 1991.00 2398.46 15:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:16 13056392 15524152 450084 2.75 98432 2558444 986008 5.66 338716 2652456 156 16:10:01 10791828 14078732 1881856 11.49 129104 3284968 2234072 12.82 545808 4667252 21436 16:20:03 8766992 13215688 2735864 16.71 166108 4324256 3444632 19.77 855444 6277816 308040 Average: 10871737 14272857 1689268 10.32 131215 3389223 2221571 12.75 579989 4532508 109877 15:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:16 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 16:00:16 ens3 14.90 12.49 202.40 1.35 0.00 0.00 0.00 0.00 16:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 0.94 0.94 0.09 0.09 0.00 0.00 0.00 0.00 16:10:01 ens3 98.25 79.38 659.30 16.96 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:03 lo 1548.45 1548.45 1474.96 1474.96 0.00 0.00 0.00 0.00 16:20:03 ens3 99.88 74.09 415.92 20.06 0.00 0.00 0.00 0.00 16:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 521.61 521.61 496.56 496.56 0.00 0.00 0.00 0.00 Average: ens3 70.80 55.13 423.85 12.76 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-1219) 08/01/26 _x86_64_ (4 CPU) 15:47:24 LINUX RESTART (4 CPU) 15:50:15 CPU %user %nice %system %iowait %steal %idle 16:00:16 all 0.31 0.00 0.06 0.01 0.01 99.61 16:00:16 0 0.58 0.00 0.05 0.00 0.02 99.34 16:00:16 1 0.12 0.00 0.04 0.02 0.02 99.80 16:00:16 2 0.03 0.00 0.03 0.01 0.01 99.91 16:00:16 3 0.49 0.00 0.11 0.01 0.01 99.38 16:10:01 all 48.32 0.00 1.59 0.04 0.08 49.97 16:10:01 0 47.19 0.00 1.25 0.02 0.08 51.45 16:10:01 1 49.59 0.00 1.85 0.05 0.08 48.44 16:10:01 2 47.75 0.00 1.43 0.04 0.08 50.70 16:10:01 3 48.74 0.00 1.84 0.03 0.08 49.31 16:20:03 all 67.91 0.00 2.74 0.05 0.10 29.20 16:20:03 0 71.39 0.00 2.99 0.04 0.10 25.48 16:20:03 1 68.14 0.00 2.83 0.04 0.10 28.88 16:20:03 2 64.21 0.00 2.72 0.06 0.10 32.91 16:20:03 3 67.90 0.00 2.41 0.07 0.10 29.52 Average: all 38.74 0.00 1.46 0.03 0.07 59.70 Average: 0 39.59 0.00 1.43 0.02 0.07 58.89 Average: 1 39.20 0.00 1.57 0.04 0.07 59.13 Average: 2 37.24 0.00 1.40 0.04 0.06 61.26 Average: 3 38.93 0.00 1.45 0.04 0.06 59.52