---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-12144 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 18G 61G 23% / 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 713 10972 3 4304 14933 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:02:12:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.74/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80397sec preferred_lft 80397sec inet6 fe80::f816:3eff:fe02:12aa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:d1:a2:4c:00:14 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::ecd1:a2ff:fe4c:14/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-12144) 03/23/26 _x86_64_ (4 CPU) 07:44:47 LINUX RESTART (4 CPU) 07:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:03 115.55 35.09 76.04 4.42 494.72 19975.27 11271.12 08:10:03 22.45 1.25 20.10 1.10 18.96 507.32 844.96 08:20:03 18.06 0.15 17.08 0.84 7.32 723.79 678.75 08:30:01 12.42 0.03 11.88 0.51 1.51 319.73 164.30 08:40:03 20.40 0.06 4.89 15.46 1.10 120.19 210747.90 08:50:03 4.93 0.01 4.75 0.17 1.05 130.87 99.35 09:00:01 5.86 0.00 5.70 0.16 0.32 151.49 65.69 09:10:03 7.53 0.05 7.19 0.30 4.66 203.01 109.95 09:20:03 9.29 0.01 8.96 0.32 0.87 592.04 263.41 Average: 24.06 4.07 17.39 2.59 58.95 2524.79 25011.72 07:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:03 160760 3696468 12233200 74.72 269420 3220848 13416052 77.01 2172756 13407676 3552 08:10:03 4404396 7689096 8244424 50.35 271856 2981388 9372812 53.80 2251652 9128304 460 08:20:03 11188696 14597460 1340256 8.19 277712 3099608 2124980 12.20 2294108 2312884 484 08:30:01 7893088 11337820 4598668 28.09 279464 3133856 5361464 30.77 2297916 5609460 292 08:40:03 8022700 11484772 4451536 27.19 280132 3150528 5277324 30.29 2304112 5469732 296 08:50:03 6601308 10079432 5856236 35.77 280712 3166000 6735456 38.66 2306232 6884764 384 09:00:01 6366544 9862488 6073000 37.09 281208 3183344 6859120 39.37 2309304 7104244 28 09:10:03 10181652 13798176 2139400 13.07 285168 3294384 3502164 20.10 2317280 3305024 95540 09:20:03 7814912 11472516 4463924 27.26 286188 3333980 5713104 32.79 2336804 5639692 428 Average: 6959340 10446470 5488960 33.52 279096 3173771 6484720 37.22 2287796 6540198 11274 07:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:03 lo 16.50 16.50 14.97 14.97 0.00 0.00 0.00 0.00 08:00:03 ens3 35.83 24.66 644.69 2.98 0.00 0.00 0.00 0.00 08:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:03 lo 38.36 38.36 17.70 17.70 0.00 0.00 0.00 0.00 08:10:03 ens3 1.75 1.65 0.34 0.31 0.00 0.00 0.00 0.00 08:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:03 lo 32.07 32.07 12.37 12.37 0.00 0.00 0.00 0.00 08:20:03 ens3 2.07 1.74 0.39 1.33 0.00 0.00 0.00 0.00 08:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 18.51 18.51 10.18 10.18 0.00 0.00 0.00 0.00 08:30:01 ens3 1.28 0.73 0.25 0.17 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:03 lo 15.23 15.23 6.22 6.22 0.00 0.00 0.00 0.00 08:40:03 ens3 0.77 0.49 0.17 0.12 0.00 0.00 0.00 0.00 08:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:03 lo 20.32 20.32 8.13 8.13 0.00 0.00 0.00 0.00 08:50:03 ens3 0.73 0.35 0.16 0.10 0.00 0.00 0.00 0.00 08:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 20.94 20.94 10.92 10.92 0.00 0.00 0.00 0.00 09:00:01 ens3 0.80 0.60 0.17 0.13 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:03 lo 14.91 14.91 8.16 8.16 0.00 0.00 0.00 0.00 09:10:03 ens3 0.85 0.66 0.22 0.17 0.00 0.00 0.00 0.00 09:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:03 lo 23.21 23.21 10.93 10.93 0.00 0.00 0.00 0.00 09:20:03 ens3 0.91 0.69 0.18 0.14 0.00 0.00 0.00 0.00 09:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.22 22.22 11.06 11.06 0.00 0.00 0.00 0.00 Average: ens3 5.00 3.51 71.84 0.61 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-12144) 03/23/26 _x86_64_ (4 CPU) 07:44:47 LINUX RESTART (4 CPU) 07:50:03 CPU %user %nice %system %iowait %steal %idle 08:00:03 all 52.17 0.08 2.21 3.39 0.11 42.04 08:00:03 0 51.52 0.19 2.13 2.26 0.11 43.79 08:00:03 1 54.44 0.00 2.20 4.66 0.12 38.59 08:00:03 2 50.94 0.14 2.46 2.87 0.12 43.49 08:00:03 3 51.79 0.00 2.03 3.76 0.12 42.29 08:10:03 all 43.44 0.00 1.58 0.11 0.12 54.75 08:10:03 0 43.45 0.00 1.59 0.05 0.12 54.79 08:10:03 1 44.11 0.00 1.62 0.25 0.13 53.90 08:10:03 2 43.78 0.00 1.67 0.03 0.12 54.41 08:10:03 3 42.42 0.00 1.45 0.10 0.12 55.91 08:20:03 all 29.08 0.00 1.05 0.05 0.10 69.71 08:20:03 0 29.15 0.00 1.02 0.03 0.10 69.71 08:20:03 1 27.67 0.00 1.09 0.10 0.10 71.04 08:20:03 2 29.73 0.00 1.05 0.04 0.10 69.09 08:20:03 3 29.78 0.00 1.06 0.05 0.10 69.01 08:30:01 all 21.30 0.00 0.74 0.03 0.08 77.84 08:30:01 0 21.38 0.00 0.74 0.03 0.08 77.78 08:30:01 1 21.35 0.00 0.68 0.07 0.09 77.81 08:30:01 2 21.84 0.00 0.82 0.01 0.09 77.24 08:30:01 3 20.62 0.00 0.72 0.03 0.08 78.54 08:40:03 all 7.67 0.00 0.42 0.04 0.07 91.80 08:40:03 0 7.47 0.00 0.40 0.08 0.07 91.97 08:40:03 1 7.41 0.00 0.43 0.04 0.08 92.04 08:40:03 2 8.19 0.00 0.46 0.02 0.07 91.27 08:40:03 3 7.60 0.00 0.40 0.01 0.07 91.92 08:50:03 all 9.05 0.00 0.50 0.02 0.07 90.36 08:50:03 0 9.19 0.00 0.58 0.04 0.07 90.11 08:50:03 1 8.94 0.00 0.44 0.04 0.07 90.50 08:50:03 2 8.90 0.00 0.46 0.00 0.08 90.56 08:50:03 3 9.15 0.00 0.52 0.01 0.07 90.25 09:00:01 all 10.70 0.00 0.43 0.02 0.08 88.77 09:00:01 0 10.62 0.00 0.43 0.04 0.07 88.83 09:00:01 1 10.84 0.00 0.37 0.02 0.08 88.69 09:00:01 2 10.55 0.00 0.48 0.02 0.08 88.87 09:00:01 3 10.79 0.00 0.42 0.02 0.08 88.69 09:10:03 all 10.24 0.00 0.55 0.03 0.08 89.11 09:10:03 0 10.36 0.00 0.62 0.01 0.08 88.93 09:10:03 1 10.74 0.00 0.53 0.01 0.07 88.63 09:10:03 2 10.45 0.00 0.58 0.05 0.08 88.85 09:10:03 3 9.40 0.00 0.46 0.05 0.07 90.02 09:20:03 all 16.25 0.00 0.66 0.03 0.08 82.98 09:20:03 0 16.02 0.00 0.64 0.07 0.08 83.18 09:20:03 1 16.48 0.00 0.71 0.02 0.08 82.70 09:20:03 2 16.14 0.00 0.70 0.03 0.09 83.04 09:20:03 3 16.36 0.00 0.58 0.01 0.08 82.98 Average: all 22.17 0.01 0.90 0.41 0.09 76.41 Average: 0 22.09 0.02 0.90 0.29 0.09 76.61 Average: 1 22.40 0.00 0.90 0.58 0.09 76.03 Average: 2 22.24 0.02 0.96 0.34 0.09 76.35 Average: 3 21.96 0.00 0.85 0.45 0.09 76.66