---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13718 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 634 8956 4 6397 15012 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:95:f5:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.59/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84245sec preferred_lft 84245sec inet6 fe80::f816:3eff:fe95:f534/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:80:de:74:03:87 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-13718) 02/18/26 _x86_64_ (4 CPU) 09:44:30 LINUX RESTART (4 CPU) 09:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:11 20.99 0.06 18.29 2.64 6.30 2073.88 4484.63 10:10:01 43.03 0.01 26.15 16.87 0.24 2556.26 257031.09 10:20:02 17.88 0.12 15.82 1.94 12.14 8604.69 63161.73 Average: 27.18 0.06 20.04 7.08 6.27 4416.11 106940.23 09:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:11 9615320 13097740 2861240 17.48 137448 3466684 3245784 18.63 688152 5683204 27168 10:10:01 8366356 12380768 3574892 21.83 156432 3946356 3547092 20.36 819568 6750676 171484 10:20:02 9229644 15422392 526504 3.22 172348 6040796 1055312 6.06 1608572 5040900 11776 Average: 9070440 13633633 2320879 14.17 155409 4484612 2616063 15.02 1038764 5824927 70143 09:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:11 lo 1509.89 1509.89 1432.81 1432.81 0.00 0.00 0.00 0.00 10:00:11 ens3 27.78 24.67 23.79 7.54 0.00 0.00 0.00 0.00 10:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 1491.37 1491.37 1420.69 1420.69 0.00 0.00 0.00 0.00 10:10:01 ens3 17.76 16.04 17.78 5.03 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:02 lo 346.55 346.55 6928.39 6928.39 0.00 0.00 0.00 0.00 10:20:02 ens3 33.10 27.35 104.37 32.78 0.00 0.00 0.00 0.00 10:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1114.78 1114.78 3266.65 3266.65 0.00 0.00 0.00 0.00 Average: ens3 26.27 22.74 48.77 15.15 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-13718) 02/18/26 _x86_64_ (4 CPU) 09:44:30 LINUX RESTART (4 CPU) 09:50:04 CPU %user %nice %system %iowait %steal %idle 10:00:11 all 65.72 0.00 2.35 2.12 0.13 29.68 10:00:11 0 65.72 0.00 2.14 1.27 0.12 30.75 10:00:11 1 64.84 0.00 2.25 1.59 0.12 31.20 10:00:11 2 65.59 0.00 2.70 1.68 0.12 29.91 10:00:11 3 66.74 0.00 2.31 3.95 0.13 26.86 10:10:01 all 56.98 0.00 2.43 4.64 0.12 35.83 10:10:01 0 56.56 0.00 2.17 3.22 0.13 37.93 10:10:01 1 56.76 0.00 2.55 9.22 0.12 31.34 10:10:01 2 57.10 0.00 2.25 2.99 0.12 37.54 10:10:01 3 57.50 0.00 2.77 3.11 0.12 36.50 10:20:02 all 34.45 0.00 1.29 4.13 0.09 60.03 10:20:02 0 27.48 0.00 1.15 3.88 0.08 67.41 10:20:02 1 33.58 0.00 1.29 2.18 0.10 62.85 10:20:02 2 44.72 0.00 1.47 3.13 0.11 50.56 10:20:02 3 32.04 0.00 1.27 7.33 0.09 59.27 Average: all 52.39 0.00 2.02 3.62 0.11 41.85 Average: 0 49.90 0.00 1.82 2.78 0.11 45.39 Average: 1 51.73 0.00 2.03 4.29 0.12 41.83 Average: 2 55.82 0.00 2.14 2.60 0.12 39.32 Average: 3 52.10 0.00 2.11 4.81 0.11 40.87