---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-9890 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 18G 138G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 756 19003 4 12332 30868 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:e1:15:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.97/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84541sec preferred_lft 84541sec inet6 fe80::f816:3eff:fee1:1563/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:63:b1:2a:f0:59 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::63:b1ff:fe2a:f059/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-9890) 02/13/26 _x86_64_ (8 CPU) 00:00:28 LINUX RESTART (8 CPU) 00:10:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:19 17.18 0.44 16.31 0.43 16.59 14355.38 97.60 00:30:20 33.71 2.10 30.55 1.06 353.96 11385.89 2820.06 Average: 25.45 1.27 23.43 0.75 185.31 12870.26 1459.17 00:10:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:19 19596060 28089856 4200644 12.78 187008 8375540 4277328 12.61 2091928 10544800 44 00:30:20 18644324 30692408 1578248 4.80 225644 11741088 2202732 6.50 3273296 10147708 70672 Average: 19120192 29391132 2889446 8.79 206326 10058314 3240030 9.55 2682612 10346254 35358 00:10:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:19 lo 2888.92 2888.92 2757.95 2757.95 0.00 0.00 0.00 0.00 00:20:19 ens3 49.32 40.36 310.38 10.83 0.00 0.00 0.00 0.00 00:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:20 lo 1677.14 1677.14 1590.86 1590.86 0.00 0.00 0.00 0.00 00:30:20 ens3 208.46 214.61 396.91 2715.59 0.00 0.00 0.00 0.00 00:30:20 docker0 95.09 95.27 1356.22 72.14 0.00 0.00 0.00 0.00 Average: lo 2282.88 2282.88 2174.26 2174.26 0.00 0.00 0.00 0.00 Average: ens3 128.91 127.50 353.66 1363.55 0.00 0.00 0.00 0.00 Average: docker0 47.55 47.65 678.28 36.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-8c-8g-9890) 02/13/26 _x86_64_ (8 CPU) 00:00:28 LINUX RESTART (8 CPU) 00:10:18 CPU %user %nice %system %iowait %steal %idle 00:20:19 all 26.88 0.00 1.56 0.08 0.07 71.42 00:20:19 0 19.56 0.00 0.95 0.08 0.06 79.35 00:20:19 1 34.56 0.00 3.13 0.22 0.08 62.01 00:20:19 2 28.82 0.00 2.14 0.07 0.07 68.89 00:20:19 3 25.88 0.00 1.88 0.03 0.06 72.16 00:20:19 4 35.65 0.00 1.22 0.05 0.06 63.01 00:20:19 5 24.76 0.00 1.16 0.12 0.06 73.89 00:20:19 6 20.57 0.00 0.77 0.03 0.06 78.58 00:20:19 7 25.29 0.00 1.23 0.04 0.06 73.37 00:30:20 all 13.28 0.00 1.37 0.14 0.05 85.16 00:30:20 0 17.06 0.00 2.32 0.10 0.06 80.47 00:30:20 1 12.28 0.00 1.73 0.21 0.05 85.74 00:30:20 2 14.65 0.00 2.28 0.28 0.05 82.74 00:30:20 3 20.85 0.00 1.37 0.11 0.06 77.62 00:30:20 4 16.93 0.00 1.28 0.17 0.05 81.56 00:30:20 5 9.00 0.00 0.82 0.12 0.05 90.01 00:30:20 6 6.07 0.00 0.63 0.06 0.04 93.21 00:30:20 7 9.40 0.00 0.54 0.10 0.06 89.90 Average: all 20.07 0.00 1.46 0.11 0.06 78.29 Average: 0 18.31 0.00 1.64 0.09 0.06 79.91 Average: 1 23.37 0.00 2.43 0.21 0.06 73.92 Average: 2 21.73 0.00 2.21 0.18 0.06 75.82 Average: 3 23.35 0.00 1.62 0.07 0.06 74.89 Average: 4 26.30 0.00 1.25 0.11 0.06 72.28 Average: 5 16.88 0.00 0.99 0.12 0.06 81.95 Average: 6 13.31 0.00 0.70 0.04 0.05 85.90 Average: 7 17.35 0.00 0.89 0.07 0.06 81.64