---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32603 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 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 646 8691 4 6651 15000 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:20:3e:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.169/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83854sec preferred_lft 83854sec inet6 fe80::f816:3eff:fe20:3ebc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:91:c5:0a:fc:4a 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-32603) 07/03/26 _x86_64_ (4 CPU) 08:25:00 LINUX RESTART (4 CPU) 08:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:01 34.34 3.35 16.04 14.95 562.88 3255.68 249185.65 08:50:01 25.29 0.02 22.44 2.83 0.60 2260.81 8765.68 09:00:01 24.89 0.02 22.43 2.43 0.35 4027.78 21131.05 Average: 28.17 1.13 20.30 6.74 187.99 3181.19 93047.44 08:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:01 10204548 13757752 2202936 13.45 127060 3567260 2351052 13.50 722528 5071084 36956 08:50:01 8545740 12718348 3237324 19.77 150756 4114448 3250032 18.66 875256 6538176 202236 09:00:01 5878856 10790380 5161652 31.53 163760 4807436 5001228 28.71 1134932 8881096 632 Average: 8209715 12422160 3533971 21.58 147192 4163048 3534104 20.29 910905 6830119 79941 08:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:01 lo 720.35 720.35 685.72 685.72 0.00 0.00 0.00 0.00 08:40:01 ens3 165.36 115.95 1092.87 17.15 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 lo 1403.77 1403.77 1331.57 1331.57 0.00 0.00 0.00 0.00 08:50:01 ens3 36.17 30.27 15.39 10.34 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 1007.50 1007.50 3168.82 3168.82 0.00 0.00 0.00 0.00 09:00:01 ens3 39.72 30.82 38.19 10.56 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1043.88 1043.88 1728.30 1728.30 0.00 0.00 0.00 0.00 Average: ens3 80.43 59.02 382.25 12.68 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-32603) 07/03/26 _x86_64_ (4 CPU) 08:25:00 LINUX RESTART (4 CPU) 08:30:01 CPU %user %nice %system %iowait %steal %idle 08:40:01 all 33.00 0.00 1.41 0.14 0.06 65.39 08:40:01 0 32.62 0.00 1.36 0.11 0.07 65.84 08:40:01 1 32.29 0.00 1.58 0.18 0.07 65.88 08:40:01 2 33.47 0.00 1.05 0.13 0.06 65.28 08:40:01 3 33.61 0.00 1.63 0.14 0.06 64.56 08:50:01 all 67.38 0.00 2.35 0.05 0.11 30.12 08:50:01 0 65.91 0.00 2.27 0.05 0.10 31.68 08:50:01 1 67.67 0.00 2.48 0.06 0.11 29.68 08:50:01 2 67.88 0.00 2.34 0.05 0.11 29.62 08:50:01 3 68.07 0.00 2.30 0.04 0.11 29.48 09:00:01 all 53.26 0.00 2.01 0.11 0.10 44.51 09:00:01 0 55.87 0.00 2.26 0.06 0.10 41.71 09:00:01 1 53.41 0.00 1.90 0.03 0.10 44.56 09:00:01 2 49.72 0.00 2.20 0.15 0.10 47.83 09:00:01 3 54.04 0.00 1.69 0.21 0.10 43.96 Average: all 51.21 0.00 1.92 0.10 0.09 46.68 Average: 0 51.48 0.00 1.97 0.07 0.09 46.40 Average: 1 51.11 0.00 1.99 0.09 0.09 46.72 Average: 2 50.35 0.00 1.86 0.11 0.09 47.59 Average: 3 51.90 0.00 1.88 0.13 0.09 46.01