---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20942 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 666 8707 4 6615 14980 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:87:c3:c2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83795sec preferred_lft 83795sec inet6 fe80::f816:3eff:fe87:c3c2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:06:d7:0d:f2:0e 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-20942) 02/26/26 _x86_64_ (4 CPU) 10:38:39 LINUX RESTART (4 CPU) 10:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:01 34.79 1.74 32.71 0.33 501.01 1197.51 1371.79 11:00:01 41.08 3.80 33.78 3.51 193.18 5605.27 6633.16 11:10:01 31.58 0.00 28.23 3.34 0.09 2584.62 12158.16 11:20:00 13.71 0.14 12.08 1.50 6.56 8659.34 3094.91 Average: 30.29 1.42 26.70 2.17 175.16 4511.38 5816.79 10:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:01 12935792 15266604 732052 4.47 77084 2464392 1290004 7.40 441492 2694328 199244 11:00:01 9214444 12875196 3082912 18.83 139236 3645856 3252264 18.67 819668 5951072 30992 11:10:01 8680816 12772588 3181504 19.43 162000 4020876 3204588 18.39 938776 6305196 24912 11:20:00 8913196 15326264 620352 3.79 181712 6246380 1111820 6.38 1747552 5176488 4 Average: 9936062 14060163 1904205 11.63 140008 4094376 2214669 12.71 986872 5031771 63788 10:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:01 lo 0.17 0.17 0.02 0.02 0.00 0.00 0.00 0.00 10:50:01 ens3 49.80 33.49 337.28 5.76 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 1449.86 1449.86 1375.18 1375.18 0.00 0.00 0.00 0.00 11:00:01 ens3 141.80 112.87 1043.24 24.69 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 1379.86 1379.86 1314.14 1314.14 0.00 0.00 0.00 0.00 11:10:01 ens3 45.88 36.19 37.79 13.34 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 11:20:00 lo 326.25 326.25 6923.82 6923.82 0.00 0.00 0.00 0.00 11:20:00 ens3 73.62 79.08 116.24 981.16 0.00 0.00 0.00 0.00 11:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 789.43 789.43 2402.59 2402.59 0.00 0.00 0.00 0.00 Average: ens3 77.78 65.42 383.73 256.08 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-20942) 02/26/26 _x86_64_ (4 CPU) 10:38:39 LINUX RESTART (4 CPU) 10:40:01 CPU %user %nice %system %iowait %steal %idle 10:50:01 all 1.73 0.00 0.27 0.24 0.02 97.74 10:50:01 0 2.50 0.00 0.28 0.27 0.02 96.92 10:50:01 1 1.58 0.00 0.42 0.55 0.02 97.43 10:50:01 2 1.86 0.00 0.18 0.04 0.02 97.91 10:50:01 3 0.97 0.00 0.21 0.11 0.03 98.70 11:00:01 all 66.25 0.00 2.60 0.14 0.08 30.92 11:00:01 0 66.32 0.00 2.49 0.09 0.09 31.01 11:00:01 1 68.48 0.00 3.07 0.14 0.08 28.23 11:00:01 2 65.40 0.00 2.40 0.25 0.08 31.87 11:00:01 3 64.80 0.00 2.46 0.07 0.09 32.58 11:10:01 all 63.22 0.00 2.41 0.09 0.09 34.19 11:10:01 0 62.70 0.00 2.47 0.14 0.09 34.61 11:10:01 1 65.59 0.00 2.56 0.08 0.09 31.68 11:10:01 2 61.65 0.00 2.25 0.12 0.09 35.89 11:10:01 3 62.94 0.00 2.38 0.03 0.09 34.57 11:20:00 all 34.15 0.00 1.11 0.21 0.07 64.46 11:20:00 0 32.69 0.00 0.99 0.11 0.07 66.14 11:20:00 1 42.48 0.00 0.89 0.08 0.06 56.49 11:20:00 2 34.53 0.00 1.06 0.05 0.07 64.28 11:20:00 3 26.90 0.00 1.50 0.60 0.07 70.94 Average: all 41.32 0.00 1.60 0.17 0.07 56.84 Average: 0 41.04 0.00 1.56 0.15 0.06 57.19 Average: 1 44.53 0.00 1.73 0.21 0.06 53.46 Average: 2 40.83 0.00 1.47 0.11 0.06 57.52 Average: 3 38.89 0.00 1.63 0.20 0.07 59.21