---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8231 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 640 8822 4 6526 15006 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:5f:65:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.201/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84263sec preferred_lft 84263sec inet6 fe80::f816:3eff:fe5f:659f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:f6:f3:48:63:ad 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-8231) 02/06/26 _x86_64_ (4 CPU) 13:26:40 LINUX RESTART (4 CPU) 13:30:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:08 73.71 5.59 52.45 15.68 698.54 5735.05 258606.38 13:50:17 25.71 0.02 22.84 2.86 0.24 2176.21 22324.24 14:00:15 21.47 0.02 19.53 1.92 0.47 4000.66 35900.17 Average: 40.10 1.85 31.48 6.77 230.09 3954.00 104588.76 13:30:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:08 10131096 13551020 2408536 14.71 127212 3439704 2652872 15.23 730376 5153488 29540 13:50:17 9462364 13298004 2658476 16.24 146080 3800792 3013380 17.30 849564 5667284 30020 14:00:15 8618732 13366672 2585532 15.79 157936 4665912 2693896 15.46 1121344 6165408 1616 Average: 9404064 13405232 2550848 15.58 143743 3968803 2786716 16.00 900428 5662060 20392 13:30:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:08 lo 1063.50 1063.50 1007.43 1007.43 0.00 0.00 0.00 0.00 13:40:08 ens3 147.75 102.70 1272.11 18.21 0.00 0.00 0.00 0.00 13:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:17 lo 1352.31 1352.31 1287.54 1287.54 0.00 0.00 0.00 0.00 13:50:17 ens3 25.98 22.72 15.05 7.39 0.00 0.00 0.00 0.00 13:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:15 lo 908.46 908.46 7501.94 7501.94 0.00 0.00 0.00 0.00 14:00:15 ens3 20.16 16.24 30.75 5.04 0.00 0.00 0.00 0.00 14:00:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1109.67 1109.67 3262.05 3262.05 0.00 0.00 0.00 0.00 Average: ens3 64.11 46.88 433.91 10.17 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-8231) 02/06/26 _x86_64_ (4 CPU) 13:26:40 LINUX RESTART (4 CPU) 13:30:17 CPU %user %nice %system %iowait %steal %idle 13:40:08 all 45.66 0.00 2.08 1.55 0.09 50.62 13:40:08 0 44.69 0.00 1.68 0.89 0.09 52.66 13:40:08 1 46.79 0.00 2.06 1.23 0.09 49.82 13:40:08 2 46.66 0.00 2.28 0.80 0.09 50.18 13:40:08 3 44.50 0.00 2.31 3.30 0.09 49.81 13:50:17 all 67.93 0.00 2.35 0.08 0.11 29.54 13:50:17 0 67.68 0.00 2.56 0.05 0.11 29.60 13:50:17 1 68.08 0.00 2.13 0.11 0.11 29.57 13:50:17 2 69.37 0.00 2.36 0.06 0.11 28.11 13:50:17 3 66.59 0.00 2.35 0.08 0.11 30.87 14:00:15 all 50.21 0.00 1.80 0.23 0.10 47.66 14:00:15 0 52.55 0.00 1.89 0.15 0.10 45.31 14:00:15 1 46.68 0.00 2.05 0.05 0.10 51.12 14:00:15 2 47.80 0.00 1.53 0.33 0.10 50.24 14:00:15 3 53.80 0.00 1.74 0.40 0.10 43.96 Average: all 54.70 0.00 2.08 0.61 0.10 42.51 Average: 0 55.08 0.00 2.05 0.36 0.10 42.42 Average: 1 53.95 0.00 2.08 0.46 0.10 43.41 Average: 2 54.72 0.00 2.06 0.39 0.10 42.73 Average: 3 55.06 0.00 2.13 1.25 0.10 41.46