---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8521 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 691 8798 4 6500 14955 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:70:e5:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84014sec preferred_lft 84014sec inet6 fe80::f816:3eff:fe70:e593/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:18:4f:79:15:0d 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-8521) 02/07/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:10 45.45 2.89 26.37 16.18 159.73 3891.75 242982.55 19:30:01 34.20 0.00 30.56 3.64 0.09 2655.39 6698.89 19:40:05 12.33 0.14 10.91 1.29 6.50 8101.78 33898.65 Average: 30.64 1.02 22.55 7.06 55.89 4900.17 95238.96 19:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:10 8710584 12241416 3716508 22.70 136156 3523996 3827092 21.97 745852 6541292 4172 19:30:01 8384252 12375012 3579300 21.86 158968 3926480 3663032 21.03 869944 6693800 40876 19:40:05 9149508 15444684 501816 3.06 175132 6141340 1005020 5.77 1679108 5027672 180 Average: 8748115 13353704 2599208 15.87 156752 4530605 2831715 16.25 1098301 6087588 15076 19:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:10 lo 1488.63 1488.63 1411.96 1411.96 0.00 0.00 0.00 0.00 19:20:10 ens3 113.88 88.12 793.27 19.63 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 1466.77 1466.77 1396.94 1396.94 0.00 0.00 0.00 0.00 19:30:01 ens3 47.49 37.95 33.01 13.64 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 19:40:05 lo 245.14 245.14 6789.40 6789.40 0.00 0.00 0.00 0.00 19:40:05 ens3 80.17 91.92 112.84 1028.92 0.00 0.00 0.00 0.00 19:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1063.80 1063.80 3213.17 3213.17 0.00 0.00 0.00 0.00 Average: ens3 80.78 72.93 315.31 356.65 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-8521) 02/07/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:05 CPU %user %nice %system %iowait %steal %idle 19:20:10 all 68.84 0.00 2.58 0.12 0.09 28.37 19:20:10 0 69.11 0.00 2.43 0.16 0.09 28.21 19:20:10 1 69.09 0.00 2.96 0.06 0.09 27.80 19:20:10 2 67.24 0.00 2.20 0.09 0.09 30.38 19:20:10 3 69.93 0.00 2.73 0.15 0.09 27.10 19:30:01 all 63.63 0.00 2.58 0.18 0.09 33.51 19:30:01 0 61.81 0.00 2.45 0.26 0.09 35.40 19:30:01 1 62.54 0.00 2.75 0.17 0.09 34.46 19:30:01 2 64.94 0.00 2.57 0.19 0.09 32.21 19:30:01 3 65.23 0.00 2.56 0.13 0.09 31.99 19:40:05 all 30.71 0.00 0.99 0.23 0.07 67.99 19:40:05 0 25.59 0.00 1.17 0.07 0.07 73.10 19:40:05 1 35.34 0.00 1.07 0.24 0.07 63.28 19:40:05 2 31.47 0.00 0.92 0.49 0.07 67.06 19:40:05 3 30.44 0.00 0.81 0.15 0.07 68.53 Average: all 54.30 0.00 2.05 0.18 0.08 43.40 Average: 0 52.07 0.00 2.01 0.16 0.08 45.67 Average: 1 55.58 0.00 2.26 0.16 0.08 41.93 Average: 2 54.45 0.00 1.89 0.26 0.08 43.32 Average: 3 55.09 0.00 2.03 0.14 0.08 42.65