---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19576 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 67G 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 623 10378 4 4986 15022 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:f0:e3:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83295sec preferred_lft 83295sec inet6 fe80::f816:3eff:fef0:e3c0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:75:34:93:c3:f7 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-19576) 05/24/26 _x86_64_ (4 CPU) 13:26:11 LINUX RESTART (4 CPU) 13:30:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:00 17.57 0.10 3.63 13.84 4.70 268.50 246368.40 13:50:16 1.80 0.08 1.71 0.01 1.58 145.62 0.31 14:00:06 7.29 2.02 5.15 0.13 125.27 1781.78 13.06 14:10:01 3.29 0.06 3.09 0.13 6.73 471.16 39.41 Average: 7.40 0.56 3.38 3.47 34.20 661.28 60597.33 13:30:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:00 13039448 15518236 461772 2.82 91008 2582940 986728 5.66 313160 2688352 4 13:50:16 12685120 15290132 683360 4.17 98872 2695460 1272252 7.30 342960 3030632 90732 14:00:06 10591020 13652224 2310468 14.11 114420 3111180 2615568 15.01 506920 4940340 212 14:10:01 10585612 13780512 2181180 13.32 118940 3229844 2418552 13.88 536400 4891328 2828 Average: 11725300 14560276 1409195 8.61 105810 2904856 1823275 10.47 424860 3887663 23444 13:30:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:00 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 13:40:00 ens3 4.33 2.04 86.48 0.20 0.00 0.00 0.00 0.00 13:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:16 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 13:50:16 ens3 13.73 12.09 175.79 1.71 0.00 0.00 0.00 0.00 13:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:06 lo 0.22 0.22 0.02 0.02 0.00 0.00 0.00 0.00 14:00:06 ens3 43.48 34.90 471.19 5.17 0.00 0.00 0.00 0.00 14:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:01 lo 0.57 0.57 0.37 0.37 0.00 0.00 0.00 0.00 14:10:01 ens3 10.26 8.04 35.50 1.93 0.00 0.00 0.00 0.00 14:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.26 0.26 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 17.91 14.25 191.90 2.25 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-19576) 05/24/26 _x86_64_ (4 CPU) 13:26:11 LINUX RESTART (4 CPU) 13:30:13 CPU %user %nice %system %iowait %steal %idle 13:40:00 all 0.27 0.00 0.12 0.05 0.02 99.54 13:40:00 0 0.23 0.00 0.07 0.01 0.01 99.68 13:40:00 1 0.42 0.00 0.09 0.07 0.01 99.41 13:40:00 2 0.22 0.00 0.24 0.01 0.03 99.49 13:40:00 3 0.21 0.00 0.09 0.12 0.01 99.57 13:50:16 all 1.43 0.00 0.10 0.01 0.01 98.44 13:50:16 0 1.53 0.00 0.07 0.02 0.01 98.35 13:50:16 1 1.60 0.00 0.09 0.00 0.01 98.30 13:50:16 2 1.32 0.00 0.16 0.01 0.02 98.48 13:50:16 3 1.28 0.00 0.08 0.00 0.01 98.63 14:00:06 all 30.08 0.00 0.60 0.09 0.06 69.17 14:00:06 0 27.51 0.00 0.52 0.16 0.06 71.75 14:00:06 1 28.22 0.00 0.57 0.08 0.06 71.07 14:00:06 2 32.54 0.00 0.66 0.11 0.07 66.63 14:00:06 3 32.06 0.00 0.63 0.03 0.06 67.22 14:10:01 all 48.85 0.00 0.58 0.01 0.09 50.47 14:10:01 0 52.77 0.00 0.56 0.02 0.09 46.57 14:10:01 1 55.07 0.00 0.64 0.01 0.11 44.18 14:10:01 2 34.35 0.00 0.50 0.02 0.09 65.04 14:10:01 3 53.17 0.00 0.61 0.01 0.09 46.12 Average: all 20.04 0.00 0.35 0.04 0.05 79.52 Average: 0 20.42 0.00 0.30 0.05 0.04 79.18 Average: 1 21.22 0.00 0.35 0.04 0.05 78.35 Average: 2 16.99 0.00 0.39 0.04 0.05 82.53 Average: 3 21.54 0.00 0.35 0.04 0.04 78.03