---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-19002 5.15.0-170-generic #180-Ubuntu SMP Fri Jan 9 16:10:31 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 28G 128G 18% / 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 877 8970 4 22243 30746 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:02:e1:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.210/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 83987sec preferred_lft 83987sec inet6 fe80::f816:3eff:fe02:e195/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:e6:6a:d2:7b:47 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::18e6:6aff:fed2:7b47/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-19002) 02/21/26 _x86_64_ (8 CPU) 17:03:03 LINUX RESTART (8 CPU) 17:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:05 418.91 0.69 410.79 7.44 8.32 43490.59 49904.97 17:30:05 93.72 0.00 88.93 4.78 0.00 10434.84 41494.66 17:40:01 4.79 0.01 4.64 0.14 0.39 779.49 1156.73 Average: 173.53 0.23 169.16 4.14 2.92 18343.98 30971.70 17:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:05 7112240 24717960 7493536 22.80 529424 16328732 5171848 15.25 4871380 19263712 172 17:30:05 7025996 27053312 5351124 16.28 561104 18406112 5708544 16.83 5689224 18439176 288 17:40:01 7348264 27398304 4799824 14.61 569328 18586968 4996108 14.73 5871412 17954020 468 Average: 7162167 26389859 5881495 17.90 553285 17773937 5292167 15.61 5477339 18552303 309 17:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:05 lo 0.35 0.35 0.06 0.06 0.00 0.00 0.00 0.00 17:20:05 ens3 181.15 106.27 1597.58 20.89 0.00 0.00 0.00 0.00 17:20:05 docker0 22.22 31.26 1.22 283.70 0.00 0.00 0.00 0.00 17:30:05 lo 0.16 0.16 0.01 0.01 0.00 0.00 0.00 0.00 17:30:05 ens3 48.49 27.16 554.59 8.38 0.00 0.00 0.00 0.00 17:30:05 docker0 11.70 20.31 0.75 333.18 0.00 0.00 0.00 0.00 17:30:05 vethf5ff0ed 4.03 9.44 0.38 164.39 0.00 0.00 0.00 0.01 17:40:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:40:01 ens3 15.31 10.20 21.59 3.16 0.00 0.00 0.00 0.00 17:40:01 docker0 9.37 13.72 2.04 20.79 0.00 0.00 0.00 0.00 Average: lo 0.20 0.20 0.03 0.03 0.00 0.00 0.00 0.00 Average: ens3 82.07 48.12 728.58 10.85 0.00 0.00 0.00 0.00 Average: docker0 14.46 21.81 1.34 213.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-170-generic (prd-ubuntu2204-docker-8c-8g-19002) 02/21/26 _x86_64_ (8 CPU) 17:03:03 LINUX RESTART (8 CPU) 17:10:01 CPU %user %nice %system %iowait %steal %idle 17:20:05 all 14.70 0.00 3.00 2.55 0.07 79.68 17:20:05 0 11.66 0.00 2.74 2.76 0.06 82.77 17:20:05 1 17.08 0.00 3.87 4.44 0.08 74.53 17:20:05 2 14.40 0.00 3.84 4.40 0.08 77.28 17:20:05 3 13.92 0.00 2.63 1.61 0.07 81.76 17:20:05 4 16.10 0.00 2.53 1.25 0.07 80.05 17:20:05 5 13.71 0.00 2.53 2.44 0.07 81.25 17:20:05 6 16.44 0.00 3.20 1.59 0.07 78.69 17:20:05 7 14.28 0.00 2.68 1.91 0.07 81.07 17:30:05 all 15.92 0.00 0.96 0.67 0.04 82.41 17:30:05 0 11.94 0.00 0.88 0.27 0.04 86.86 17:30:05 1 35.73 0.00 0.99 0.99 0.04 62.25 17:30:05 2 9.01 0.00 1.04 0.44 0.03 89.48 17:30:05 3 6.46 0.00 0.91 0.66 0.04 91.93 17:30:05 4 31.79 0.00 1.04 0.93 0.05 66.18 17:30:05 5 6.06 0.00 0.93 0.45 0.03 92.54 17:30:05 6 16.14 0.00 1.01 0.64 0.04 82.17 17:30:05 7 10.24 0.00 0.89 0.99 0.03 87.85 17:40:01 all 11.37 0.00 0.31 0.26 0.03 88.03 17:40:01 0 1.33 0.00 0.11 0.00 0.03 98.53 17:40:01 1 20.20 0.00 0.33 0.05 0.03 79.40 17:40:01 2 10.49 0.00 0.21 0.03 0.03 89.23 17:40:01 3 0.69 0.00 0.14 1.94 0.03 97.20 17:40:01 4 49.02 0.00 0.65 0.04 0.05 50.23 17:40:01 5 1.86 0.00 0.21 0.00 0.01 97.92 17:40:01 6 4.80 0.00 0.45 0.00 0.02 94.73 17:40:01 7 2.69 0.00 0.38 0.03 0.02 96.88 Average: all 14.00 0.00 1.43 1.16 0.05 83.36 Average: 0 8.32 0.00 1.25 1.01 0.05 89.38 Average: 1 24.34 0.00 1.73 1.83 0.05 72.05 Average: 2 11.31 0.00 1.70 1.63 0.05 85.32 Average: 3 7.04 0.00 1.23 1.40 0.05 90.27 Average: 4 32.25 0.00 1.41 0.74 0.06 65.54 Average: 5 7.23 0.00 1.23 0.97 0.03 90.55 Average: 6 12.47 0.00 1.56 0.75 0.04 85.18 Average: 7 9.09 0.00 1.32 0.98 0.04 88.57