---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7906 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: 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 8814 4 6528 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:ff:86:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84051sec preferred_lft 84051sec inet6 fe80::f816:3eff:feff:8657/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:8e:07:f8:07:16 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-7906) 02/05/26 _x86_64_ (4 CPU) 10:36:48 LINUX RESTART (4 CPU) 10:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:05 48.11 3.36 28.36 16.39 563.87 4118.16 249938.74 11:00:05 24.03 0.01 21.40 2.62 0.20 2624.35 73522.89 11:10:01 18.35 0.03 16.47 1.86 0.87 4331.80 100897.21 Average: 30.23 1.14 22.10 6.99 189.49 3691.10 141765.44 10:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:05 9653920 13149688 2809328 17.16 134780 3496992 3113696 17.87 796332 5544408 23968 11:00:05 8246180 12288568 3667028 22.40 152136 3987656 3635548 20.87 902064 6797740 193628 11:10:01 5252184 9986436 5966184 36.44 159128 4648044 5695516 32.69 1143456 9523996 436 Average: 7717428 11808231 4147513 25.33 148681 4044231 4148253 23.81 947284 7288715 72677 10:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:05 lo 1403.71 1403.71 1330.67 1330.67 0.00 0.00 0.00 0.00 10:50:05 ens3 119.03 92.24 954.91 18.55 0.00 0.00 0.00 0.00 10:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:05 lo 1172.55 1172.55 1116.89 1116.89 0.00 0.00 0.00 0.00 11:00:05 ens3 31.44 24.89 20.56 8.80 0.00 0.00 0.00 0.00 11:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 678.99 678.99 6155.51 6155.51 0.00 0.00 0.00 0.00 11:10:01 ens3 21.33 18.52 17.47 6.86 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1086.56 1086.56 2857.96 2857.96 0.00 0.00 0.00 0.00 Average: ens3 57.47 45.37 332.93 11.43 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-7906) 02/05/26 _x86_64_ (4 CPU) 10:36:48 LINUX RESTART (4 CPU) 10:40:01 CPU %user %nice %system %iowait %steal %idle 10:50:05 all 59.67 0.00 2.41 0.29 0.10 37.53 10:50:05 0 60.37 0.00 2.16 0.27 0.10 37.10 10:50:05 1 58.02 0.00 2.47 0.23 0.10 39.18 10:50:05 2 60.72 0.00 2.51 0.31 0.10 36.36 10:50:05 3 59.59 0.00 2.48 0.34 0.09 37.49 11:00:05 all 56.03 0.00 2.08 5.38 0.11 36.40 11:00:05 0 55.90 0.00 1.99 10.18 0.11 31.81 11:00:05 1 56.71 0.00 2.41 2.94 0.11 37.84 11:00:05 2 55.50 0.00 2.08 5.43 0.12 36.88 11:00:05 3 56.01 0.00 1.81 2.99 0.11 39.08 11:10:01 all 44.49 0.00 1.73 2.09 0.10 51.59 11:10:01 0 39.73 0.00 1.61 3.47 0.09 55.10 11:10:01 1 42.91 0.00 1.52 1.19 0.10 54.28 11:10:01 2 50.23 0.00 1.99 3.14 0.11 44.53 11:10:01 3 45.09 0.00 1.78 0.56 0.11 52.46 Average: all 53.43 0.00 2.07 2.58 0.10 41.81 Average: 0 52.05 0.00 1.92 4.64 0.10 41.30 Average: 1 52.57 0.00 2.14 1.45 0.10 43.74 Average: 2 55.51 0.00 2.20 2.95 0.11 39.24 Average: 3 53.59 0.00 2.03 1.30 0.10 42.98