---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-447627 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 13G 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 634 8388 4 6966 15011 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:5d:cb:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83951sec preferred_lft 83951sec inet6 fe80::f816:3eff:fe5d:cba6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:55:37:b6:ec:82 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 inet6 fe80::7c55:37ff:feb6:ec82/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-447627) 03/12/26 _x86_64_ (4 CPU) 01:20:41 LINUX RESTART (4 CPU) 01:30:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:40:05 65.87 0.35 43.30 22.22 10.09 4691.20 250187.24 01:50:01 57.39 1.76 47.85 7.77 318.44 6477.38 9503.95 02:00:05 25.80 0.33 24.98 0.50 43.37 2878.90 11974.27 Average: 49.62 0.81 38.66 10.15 123.37 4674.67 90559.20 01:30:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:40:05 9054460 13376092 2573940 15.72 201864 4160632 2786764 16.00 817688 6013476 9192 01:50:01 9427384 15390084 552800 3.38 249588 5660028 1261992 7.24 1274436 5067512 292 02:00:05 8588044 15355928 580644 3.55 261160 6418192 1159584 6.66 1587880 5567452 204 Average: 9023296 14707368 1235795 7.55 237537 5412951 1736113 9.97 1226668 5549480 3229 01:30:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:40:05 lo 4552.26 4552.26 4340.84 4340.84 0.00 0.00 0.00 0.00 01:40:05 ens3 60.94 49.12 311.49 12.16 0.00 0.00 0.00 0.00 01:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:50:01 lo 3900.02 3900.02 3718.33 3718.33 0.00 0.00 0.00 0.00 01:50:01 ens3 62.72 47.22 256.39 13.19 0.00 0.00 0.00 0.00 01:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:50:01 vethaf5d5bd 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:50:01 vethad96f03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:00:05 lo 26.51 26.51 6.47 6.47 0.00 0.00 0.00 0.00 02:00:05 ens3 138.02 158.19 138.50 770.37 0.00 0.00 0.00 0.00 02:00:05 docker0 73.70 63.77 560.77 106.27 0.00 0.00 0.00 0.00 Average: lo 2817.83 2817.83 2680.46 2680.46 0.00 0.00 0.00 0.00 Average: ens3 87.39 85.09 235.20 266.89 0.00 0.00 0.00 0.00 Average: docker0 24.73 21.40 188.14 35.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-447627) 03/12/26 _x86_64_ (4 CPU) 01:20:41 LINUX RESTART (4 CPU) 01:30:05 CPU %user %nice %system %iowait %steal %idle 01:40:05 all 63.84 0.00 3.75 0.30 0.10 32.02 01:40:05 0 65.27 0.00 3.84 0.27 0.10 30.53 01:40:05 1 62.69 0.00 3.81 0.22 0.10 33.18 01:40:05 2 65.38 0.00 3.78 0.22 0.09 30.52 01:40:05 3 62.01 0.00 3.57 0.47 0.10 33.86 01:50:01 all 59.47 0.00 3.58 0.45 0.10 36.39 01:50:01 0 60.26 0.00 3.45 0.24 0.10 35.94 01:50:01 1 59.82 0.00 4.24 0.72 0.10 35.12 01:50:01 2 58.35 0.00 3.43 0.45 0.10 37.67 01:50:01 3 59.45 0.00 3.20 0.40 0.10 36.84 02:00:05 all 21.33 0.00 1.89 0.45 0.07 76.26 02:00:05 0 30.96 0.00 2.84 0.44 0.07 65.69 02:00:05 1 22.28 0.00 2.13 0.36 0.07 75.16 02:00:05 2 19.25 0.00 1.19 0.26 0.07 79.24 02:00:05 3 12.83 0.00 1.42 0.75 0.07 84.94 Average: all 48.10 0.00 3.07 0.40 0.09 48.34 Average: 0 52.08 0.00 3.37 0.32 0.09 44.13 Average: 1 48.14 0.00 3.39 0.43 0.09 47.95 Average: 2 47.53 0.00 2.79 0.31 0.09 49.28 Average: 3 44.63 0.00 2.73 0.54 0.09 52.02