---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13177 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 9.2G 69G 12% / 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 602 11710 4 3675 15043 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:2f:13:f6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84412sec preferred_lft 84412sec inet6 fe80::f816:3eff:fe2f:13f6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:f2:2b:d6:19:e4 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-13177) 02/18/26 _x86_64_ (4 CPU) 06:43:53 LINUX RESTART (4 CPU) 06:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:03 35.45 4.18 30.63 0.63 245.19 3621.68 468.84 07:10:03 16.39 0.07 2.86 13.46 7.05 512.05 238855.26 Average: 25.94 2.13 16.77 7.03 126.34 2069.70 119444.92 06:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:03 9992300 13175828 2786244 17.02 114612 3239956 3177452 18.24 646488 5389296 448 07:10:03 10068140 13433856 2527380 15.44 120724 3401080 2806104 16.11 701712 5245144 31284 Average: 10030220 13304842 2656812 16.23 117668 3320518 2991778 17.17 674100 5317220 15866 06:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:03 lo 0.36 0.36 0.04 0.04 0.00 0.00 0.00 0.00 07:00:03 ens3 85.76 64.85 842.47 11.24 0.00 0.00 0.00 0.00 07:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:03 lo 0.60 0.60 0.38 0.38 0.00 0.00 0.00 0.00 07:10:03 ens3 11.14 8.24 36.54 2.45 0.00 0.00 0.00 0.00 07:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.48 0.48 0.21 0.21 0.00 0.00 0.00 0.00 Average: ens3 48.51 36.60 440.24 6.85 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-13177) 02/18/26 _x86_64_ (4 CPU) 06:43:53 LINUX RESTART (4 CPU) 06:50:01 CPU %user %nice %system %iowait %steal %idle 07:00:03 all 19.85 0.00 0.73 0.29 0.05 79.09 07:00:03 0 18.20 0.00 0.86 0.40 0.05 80.49 07:00:03 1 22.86 0.00 0.92 0.51 0.05 75.67 07:00:03 2 18.00 0.00 0.62 0.14 0.04 81.19 07:00:03 3 20.34 0.00 0.52 0.12 0.04 78.98 07:10:03 all 47.90 0.00 0.71 0.12 0.09 51.19 07:10:03 0 42.45 0.00 0.69 0.20 0.09 56.57 07:10:03 1 63.87 0.00 0.87 0.05 0.11 35.11 07:10:03 2 36.05 0.00 0.67 0.11 0.08 63.08 07:10:03 3 49.28 0.00 0.61 0.10 0.09 49.92 Average: all 33.85 0.00 0.72 0.20 0.07 65.16 Average: 0 30.29 0.00 0.78 0.30 0.07 68.57 Average: 1 43.33 0.00 0.89 0.28 0.08 55.42 Average: 2 27.03 0.00 0.65 0.13 0.06 72.13 Average: 3 34.78 0.00 0.56 0.11 0.07 64.49