---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-20902 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 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 717 10784 4 4487 14929 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:90:30:3e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.117/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79392sec preferred_lft 79392sec inet6 fe80::f816:3eff:fe90:303e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:93:4d:cc:b2:d0 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-16g-20902) 02/26/26 _x86_64_ (4 CPU) 08:06:43 LINUX RESTART (4 CPU) 08:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:03 90.74 2.47 84.02 4.26 132.61 31389.13 11423.80 08:30:03 53.13 22.86 28.67 1.61 289.10 1740.31 946.70 08:40:03 8.04 0.16 7.46 0.42 8.37 243.47 593.47 08:50:03 5.10 0.16 4.75 0.19 6.41 137.60 288.76 09:00:03 19.86 0.02 18.87 0.98 0.87 834.79 1001.82 09:10:03 9.29 0.01 8.85 0.43 0.48 279.12 381.27 09:20:03 5.11 0.01 4.87 0.23 0.27 143.49 79.61 09:30:03 23.82 0.06 7.45 16.32 1.84 254.07 211442.35 09:40:03 3.28 0.02 3.25 0.00 0.49 58.59 0.13 09:50:03 8.46 0.02 7.97 0.47 1.25 575.77 5807.44 10:00:03 8.27 0.02 7.90 0.35 0.92 292.67 287.11 Average: 21.38 2.35 16.74 2.30 40.25 3270.65 21113.01 08:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:03 481724 5248580 10678576 65.22 255572 4386080 12257736 70.36 2055476 13145092 2036 08:30:03 1325296 4653616 11279064 68.89 263976 3045588 12842368 73.72 2126372 12342740 344 08:40:03 6850772 10203232 5734148 35.02 265184 3068472 7009848 40.24 2136020 6828628 232 08:50:03 6380128 9744184 6192300 37.82 266004 3079248 6920752 39.73 2141004 7270412 308 09:00:03 10158900 13675068 2263596 13.83 272264 3220452 2963224 17.01 2192656 3469212 304 09:10:03 7696092 11250736 4686592 28.62 273664 3257432 5305764 30.46 2195052 5912944 324 09:20:03 7863384 11436340 4500996 27.49 274144 3275152 5180932 29.74 2196144 5738576 312 09:30:03 6876476 10491512 5445552 33.26 275244 3316016 6364536 36.53 2206320 6720416 512 09:40:03 6095416 9713056 6223360 38.01 275496 3318368 6830248 39.21 2206724 7496144 232 09:50:03 7680816 11421436 4515440 27.58 279400 3431456 5236444 30.06 2215112 5907492 404 10:00:03 6755612 10544852 5391600 32.93 280536 3478688 6086728 34.94 2234548 6804868 476 Average: 6196783 9852965 6082839 37.15 271044 3352450 6999871 40.18 2173221 7421502 499 08:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:03 lo 7.94 7.94 8.99 8.99 0.00 0.00 0.00 0.00 08:20:03 ens3 74.89 54.26 1053.74 5.72 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 08:30:03 lo 40.60 40.60 20.54 20.54 0.00 0.00 0.00 0.00 08:30:03 ens3 2.02 1.67 0.48 0.40 0.00 0.00 0.00 0.00 08:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:03 lo 30.54 30.54 12.59 12.59 0.00 0.00 0.00 0.00 08:40:03 ens3 1.35 1.11 0.32 1.34 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 7.89 7.89 4.24 4.24 0.00 0.00 0.00 0.00 08:50:03 ens3 0.49 0.27 0.11 0.07 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 09:00:03 lo 13.71 13.71 6.81 6.81 0.00 0.00 0.00 0.00 09:00:03 ens3 1.19 0.95 0.34 0.27 0.00 0.00 0.00 0.00 09:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:03 lo 19.17 19.17 10.03 10.03 0.00 0.00 0.00 0.00 09:10:03 ens3 0.81 0.64 0.18 0.14 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 26.45 26.45 9.55 9.55 0.00 0.00 0.00 0.00 09:20:03 ens3 0.65 0.44 0.15 0.11 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 09:30:03 lo 20.81 20.81 10.32 10.32 0.00 0.00 0.00 0.00 09:30:03 ens3 0.71 0.54 0.14 0.11 0.00 0.00 0.00 0.00 09:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:03 lo 17.44 17.44 9.99 9.99 0.00 0.00 0.00 0.00 09:40:03 ens3 0.70 0.45 0.18 0.13 0.00 0.00 0.00 0.00 09:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:03 lo 8.25 8.25 5.29 5.29 0.00 0.00 0.00 0.00 09:50:03 ens3 0.78 0.56 0.25 0.19 0.00 0.00 0.00 0.00 09:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:03 lo 23.99 23.99 10.36 10.36 0.00 0.00 0.00 0.00 10:00:03 ens3 0.95 0.72 0.22 0.17 0.00 0.00 0.00 0.00 10:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.71 19.71 9.88 9.88 0.00 0.00 0.00 0.00 Average: ens3 7.69 5.61 96.10 0.79 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-16g-20902) 02/26/26 _x86_64_ (4 CPU) 08:06:43 LINUX RESTART (4 CPU) 08:10:02 CPU %user %nice %system %iowait %steal %idle 08:20:03 all 50.97 0.00 2.40 4.93 0.14 41.56 08:20:03 0 50.60 0.00 2.10 4.59 0.15 42.57 08:20:03 1 52.95 0.00 2.92 3.47 0.14 40.51 08:20:03 2 50.38 0.00 2.42 6.04 0.14 41.03 08:20:03 3 49.94 0.00 2.16 5.64 0.13 42.12 08:30:03 all 54.76 0.00 2.02 0.07 0.14 43.01 08:30:03 0 54.54 0.00 1.92 0.06 0.15 43.33 08:30:03 1 54.20 0.00 2.10 0.10 0.15 43.45 08:30:03 2 55.29 0.00 2.06 0.07 0.14 42.45 08:30:03 3 55.00 0.00 1.99 0.05 0.14 42.82 08:40:03 all 15.57 0.00 0.88 0.03 0.10 83.43 08:40:03 0 15.55 0.00 0.85 0.02 0.10 83.48 08:40:03 1 16.02 0.00 0.93 0.04 0.10 82.91 08:40:03 2 15.75 0.00 0.86 0.03 0.10 83.26 08:40:03 3 14.97 0.00 0.85 0.01 0.09 84.07 08:50:03 all 10.03 0.00 0.54 0.02 0.07 89.34 08:50:03 0 9.89 0.00 0.45 0.02 0.07 89.57 08:50:03 1 9.78 0.00 0.54 0.01 0.08 89.60 08:50:03 2 10.21 0.00 0.62 0.04 0.08 89.05 08:50:03 3 10.22 0.00 0.58 0.00 0.07 89.13 09:00:03 all 29.68 0.00 1.06 0.05 0.09 69.11 09:00:03 0 29.75 0.00 1.13 0.04 0.09 68.99 09:00:03 1 29.35 0.00 0.99 0.02 0.09 69.55 09:00:03 2 29.34 0.00 1.09 0.10 0.09 69.38 09:00:03 3 30.30 0.00 1.04 0.04 0.10 68.52 09:10:03 all 18.44 0.00 0.69 0.03 0.09 80.76 09:10:03 0 18.31 0.00 0.83 0.02 0.09 80.75 09:10:03 1 18.42 0.00 0.67 0.02 0.09 80.79 09:10:03 2 18.84 0.00 0.65 0.03 0.09 80.39 09:10:03 3 18.18 0.00 0.60 0.05 0.08 81.10 09:20:03 all 8.18 0.00 0.38 0.02 0.08 91.35 09:20:03 0 7.89 0.00 0.39 0.01 0.08 91.62 09:20:03 1 8.28 0.00 0.33 0.04 0.07 91.28 09:20:03 2 8.48 0.00 0.40 0.01 0.08 91.03 09:20:03 3 8.05 0.00 0.40 0.02 0.07 91.46 09:30:03 all 16.02 0.00 0.61 0.04 0.08 83.24 09:30:03 0 16.48 0.00 0.68 0.03 0.08 82.73 09:30:03 1 15.96 0.00 0.65 0.09 0.08 83.22 09:30:03 2 15.83 0.00 0.58 0.02 0.08 83.48 09:30:03 3 15.81 0.00 0.53 0.03 0.09 83.54 09:40:03 all 4.37 0.00 0.31 0.02 0.08 95.22 09:40:03 0 4.15 0.00 0.32 0.01 0.07 95.45 09:40:03 1 4.43 0.00 0.30 0.04 0.08 95.15 09:40:03 2 4.62 0.00 0.34 0.01 0.08 94.96 09:40:03 3 4.29 0.00 0.30 0.01 0.08 95.32 09:50:03 all 12.69 0.00 0.61 0.03 0.08 86.58 09:50:03 0 12.84 0.00 0.61 0.01 0.08 86.46 09:50:03 1 12.23 0.00 0.63 0.07 0.09 86.98 09:50:03 2 13.34 0.00 0.72 0.01 0.08 85.85 09:50:03 3 12.37 0.00 0.49 0.03 0.07 87.04 10:00:03 all 15.15 0.00 0.56 0.02 0.08 84.18 10:00:03 0 14.83 0.00 0.60 0.02 0.08 84.48 10:00:03 1 15.20 0.00 0.51 0.05 0.09 84.15 10:00:03 2 15.18 0.00 0.52 0.01 0.08 84.22 10:00:03 3 15.39 0.00 0.63 0.01 0.08 83.89 Average: CPU %user %nice %system %iowait %steal %idle Average: all 21.44 0.00 0.92 0.48 0.09 77.07 Average: 0 21.35 0.00 0.90 0.44 0.09 77.21 Average: 1 21.53 0.00 0.96 0.36 0.10 77.06 Average: 2 21.56 0.00 0.93 0.58 0.09 76.83 Average: 3 21.32 0.00 0.87 0.54 0.09 77.18