---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39 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 13G 65G 17% / 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 694 8252 4 7041 14951 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:f7:10:f2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83758sec preferred_lft 83758sec inet6 fe80::f816:3eff:fef7:10f2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:af:12:c8:44:af 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-39) 07/28/26 _x86_64_ (4 CPU) 19:01:25 LINUX RESTART (4 CPU) 19:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:10 22.34 0.08 19.57 2.69 7.20 2315.69 5853.36 19:30:01 34.96 0.02 31.32 3.62 0.26 2680.91 36914.86 19:40:10 23.22 0.02 9.07 14.13 0.39 7044.79 283294.12 Average: 26.77 0.04 19.87 6.87 2.62 4037.32 110015.16 19:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:10 9044632 12752884 3204412 19.57 143284 3671800 3453820 19.82 715020 6203316 16564 19:30:01 8430700 13131808 2821288 17.23 163372 4600808 2899620 16.64 1000664 6475828 559892 19:40:10 6719708 13104296 2842516 17.36 183104 6206808 2919908 16.76 1650240 7491520 203748 Average: 8065013 12996329 2956072 18.05 163253 4826472 3091116 17.74 1121975 6723555 260068 19:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:10 lo 1287.77 1287.77 1220.98 1220.98 0.00 0.00 0.00 0.00 19:20:10 ens3 54.08 41.20 48.90 13.48 0.00 0.00 0.00 0.00 19:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1566.54 1566.54 1492.74 1492.74 0.00 0.00 0.00 0.00 19:30:01 ens3 52.20 37.76 27.28 13.27 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:10 lo 2517.14 2517.14 9145.80 9145.80 0.00 0.00 0.00 0.00 19:40:10 ens3 18.22 16.00 91.01 3.70 0.00 0.00 0.00 0.00 19:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1795.61 1795.61 3994.41 3994.41 0.00 0.00 0.00 0.00 Average: ens3 41.32 31.54 56.08 10.10 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-39) 07/28/26 _x86_64_ (4 CPU) 19:01:25 LINUX RESTART (4 CPU) 19:10:10 CPU %user %nice %system %iowait %steal %idle 19:20:10 all 65.20 0.00 2.29 0.04 0.09 32.38 19:20:10 0 65.03 0.00 2.10 0.03 0.09 32.75 19:20:10 1 66.80 0.00 2.33 0.03 0.09 30.75 19:20:10 2 64.38 0.00 2.31 0.05 0.10 33.17 19:20:10 3 64.59 0.00 2.41 0.05 0.10 32.86 19:30:01 all 61.35 0.00 2.60 0.07 0.09 35.89 19:30:01 0 60.26 0.00 2.61 0.06 0.09 36.98 19:30:01 1 60.85 0.00 2.71 0.14 0.09 36.22 19:30:01 2 63.02 0.00 2.74 0.05 0.09 34.09 19:30:01 3 61.28 0.00 2.32 0.05 0.09 36.26 19:40:10 all 29.02 0.00 1.14 0.12 0.07 69.66 19:40:10 0 29.20 0.00 0.88 0.29 0.06 69.56 19:40:10 1 27.12 0.00 1.06 0.06 0.07 71.69 19:40:10 2 30.81 0.00 1.34 0.07 0.07 67.70 19:40:10 3 28.93 0.00 1.27 0.04 0.06 69.71 Average: all 51.67 0.00 2.00 0.08 0.08 46.17 Average: 0 51.32 0.00 1.86 0.13 0.08 46.61 Average: 1 51.40 0.00 2.03 0.08 0.08 46.41 Average: 2 52.55 0.00 2.12 0.06 0.08 45.18 Average: 3 51.42 0.00 1.99 0.04 0.08 46.46