---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7956 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 637 8827 4 6525 15009 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:c2:32:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84060sec preferred_lft 84060sec inet6 fe80::f816:3eff:fec2:32a9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:ba:b7:1c:98:0c 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-7956) 02/05/26 _x86_64_ (4 CPU) 15:52:48 LINUX RESTART (4 CPU) 16:00:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:14 19.56 0.06 17.06 2.43 6.30 1896.26 3553.26 16:20:01 34.11 0.01 30.46 3.64 0.18 2564.83 7431.00 16:30:03 12.07 0.14 10.70 1.23 6.56 8138.70 1880.79 Average: 21.80 0.07 19.30 2.42 4.39 4211.40 4258.62 16:00:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:14 9338896 12916612 3042304 18.58 135320 3570588 3136292 18.00 808956 5848428 24036 16:20:01 8461108 12450276 3505092 21.41 157908 3928176 3616804 20.76 925212 6572704 17144 16:30:03 9062468 15383456 563716 3.44 174428 6168152 1098592 6.31 1738792 5049296 160 Average: 8954157 13583448 2370371 14.48 155885 4555639 2617229 15.02 1157653 5823476 13780 16:00:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:14 lo 1174.50 1174.50 1112.85 1112.85 0.00 0.00 0.00 0.00 16:10:14 ens3 41.44 32.67 30.13 17.27 0.00 0.00 0.00 0.00 16:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 lo 1565.30 1565.30 1490.87 1490.87 0.00 0.00 0.00 0.00 16:20:01 ens3 40.10 31.88 27.04 11.94 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:03 lo 243.48 243.48 6810.97 6810.97 0.00 0.00 0.00 0.00 16:30:03 ens3 73.84 79.61 112.76 992.53 0.00 0.00 0.00 0.00 16:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 989.49 989.49 3150.23 3150.23 0.00 0.00 0.00 0.00 Average: ens3 51.88 48.18 56.87 343.10 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-7956) 02/05/26 _x86_64_ (4 CPU) 15:52:48 LINUX RESTART (4 CPU) 16:00:09 CPU %user %nice %system %iowait %steal %idle 16:10:14 all 59.43 0.00 2.22 6.51 0.10 31.74 16:10:14 0 59.09 0.00 1.97 13.55 0.10 25.29 16:10:14 1 60.24 0.00 2.46 0.12 0.10 37.09 16:10:14 2 59.84 0.00 1.98 0.60 0.10 37.48 16:10:14 3 58.55 0.00 2.48 11.75 0.09 27.13 16:20:01 all 63.05 0.00 2.60 0.81 0.11 33.44 16:20:01 0 62.74 0.00 2.17 1.07 0.11 33.92 16:20:01 1 63.62 0.00 2.89 1.10 0.10 32.29 16:20:01 2 63.11 0.00 2.65 0.45 0.11 33.70 16:20:01 3 62.75 0.00 2.69 0.61 0.10 33.84 16:30:03 all 31.31 0.00 0.98 0.79 0.07 66.84 16:30:03 0 29.36 0.00 1.02 0.60 0.06 68.96 16:30:03 1 36.82 0.00 1.33 0.88 0.08 60.89 16:30:03 2 28.82 0.00 0.82 0.53 0.07 69.77 16:30:03 3 30.25 0.00 0.76 1.16 0.07 67.75 Average: all 51.15 0.00 1.93 2.72 0.09 44.10 Average: 0 50.28 0.00 1.71 5.12 0.09 42.80 Average: 1 53.46 0.00 2.22 0.69 0.10 43.53 Average: 2 50.47 0.00 1.81 0.53 0.09 47.10 Average: 3 50.40 0.00 1.97 4.55 0.09 42.99