---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7637 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 11G 68G 14% / 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 655 10417 4 4915 14991 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:56:81:71 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.50/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84351sec preferred_lft 84351sec inet6 fe80::f816:3eff:fe56:8171/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:00:49:da:01:4c 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-7637) 02/04/26 _x86_64_ (4 CPU) 09:10:28 LINUX RESTART (4 CPU) 09:20:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 12.23 1.93 9.39 0.91 127.26 2571.70 2689.59 09:40:16 29.20 1.04 24.08 4.08 35.89 4548.26 3615.73 Average: 20.91 1.47 16.91 2.53 80.51 3583.11 3163.49 09:20:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10773712 14135972 1823536 11.14 129892 3366352 2159124 12.39 670716 4548140 24292 09:40:16 10720872 15393440 557312 3.40 173152 4535492 1101772 6.32 1031436 4134556 73468 Average: 10747292 14764706 1190424 7.27 151522 3950922 1630448 9.36 851076 4341348 48880 09:20:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 1.20 1.20 0.12 0.12 0.00 0.00 0.00 0.00 09:30:01 ens3 82.86 66.44 481.05 17.45 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:16 lo 1514.11 1514.11 1442.13 1442.13 0.00 0.00 0.00 0.00 09:40:16 ens3 84.47 68.76 455.45 20.25 0.00 0.00 0.00 0.00 09:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 775.36 775.36 738.00 738.00 0.00 0.00 0.00 0.00 Average: ens3 83.68 67.63 467.95 18.88 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-7637) 02/04/26 _x86_64_ (4 CPU) 09:10:28 LINUX RESTART (4 CPU) 09:20:16 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 58.28 0.00 1.92 0.05 0.07 39.67 09:30:01 0 58.41 0.00 2.10 0.04 0.07 39.37 09:30:01 1 59.55 0.00 1.79 0.06 0.07 38.53 09:30:01 2 56.78 0.00 1.96 0.07 0.08 41.12 09:30:01 3 58.36 0.00 1.85 0.05 0.07 39.67 09:40:16 all 68.37 0.00 2.64 0.08 0.08 28.83 09:40:16 0 66.56 0.00 2.62 0.06 0.08 30.66 09:40:16 1 67.82 0.00 2.70 0.10 0.08 29.29 09:40:16 2 67.08 0.00 2.62 0.06 0.08 30.16 09:40:16 3 72.02 0.00 2.60 0.09 0.09 25.21 Average: all 63.44 0.00 2.29 0.06 0.08 34.13 Average: 0 62.58 0.00 2.37 0.05 0.08 34.92 Average: 1 63.78 0.00 2.26 0.08 0.08 33.81 Average: 2 62.06 0.00 2.29 0.06 0.08 35.51 Average: 3 65.35 0.00 2.24 0.07 0.08 32.27